by | Sep 27, 2025
SAFETY DATA SHEET
Date Issued : 07/21/2009
SDS No : TC-851 PART A
Date Revised : 03/12/2021
Revision No : 4
TC-851 PART A
1. PRODUCT AND COMPANY IDENTIFICATION
PRODUCT NAME: TC-851 PART A
GENERAL USE: Polyurethane resin
MANUFACTURER 24 HR. EMERGENCY TELEPHONE NUMBERS
BJB Enterprises, Inc.
14791 Franklin Avenue
Tustin, CA 92780
Emergency Phone: (714) 734-8450
CHEMTREC (USA & Canada): (800) 424-9300
or (703) 527-3887 CCN# 2820
2. HAZARDS IDENTIFICATION
GHS CLASSIFICATIONS
Health:
Acute Toxicity (Inhalation), Category 4
Skin Irritation, Category 2
Eye Irritation, Category 2A
Respiratory Sensitization, Category 1
Skin Sensitization, Category 1
Carcinogenicity, Category 2
Target Organ Toxicity (Single exposure), Category 3
Target Organ Toxicity (Repeated exposure), Category 2
GHS LABEL
Health hazard Exclamation
mark
SIGNAL WORD: DANGER
HAZARD STATEMENTS
H332: Harmful if inhaled.
H315: Causes skin irritation.
H319: Causes serious eye irritation.
H334: May cause allergy or asthma symptoms or breathing difficulties if inhaled.
H317: May cause an allergic skin reaction.
H351: Suspected of causing cancer.
H335: May cause respiratory irritation.
H373: May cause damage to organs through prolonged or repeated exposure.
PRECAUTIONARY STATEMENTS
Prevention:
P201: Obtain special instructions before use.
P202: Do not handle until all safety precautions have been read and understood.
P260: Do not breathe dust/fume/gas/mist/vapours/spray.
P271: Use only outdoors or in a well-ventilated area.
P284: In case of inadequate ventilation wear respiratory protection.
P264: Wash thoroughly after handling.
Page 1 of 7
P272: Contaminated work clothing should not be allowed out of the workplace.
P280: Wear protective gloves/protective clothing/eye protection/face protection.
Response:
P304+P340: IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P342+P311: If experiencing respiratory symptoms: Call a POISON CENTER/doctor/physician.
P302+P352: IF ON SKIN: Wash with plenty of soap and water.
P333+P313: If skin irritation or rash occurs: Get medical advice/attention.
P362+P364: Take off contaminated clothing and wash it before reuse.
P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue
rinsing.
P337+P313: If eye irritation persists: Get medical advice/attention.
P308+P313: IF exposed or concerned: Get medical advice/ attention.
Storage:
P403+P233: Store in a well-ventilated place. Keep container tightly closed.
P405: Store locked up.
Disposal:
P501: Dispose of contents/container in accordance with local/regional/national/international regulations.
3. COMPOSITION / INFORMATION ON INGREDIENTS
Chemical Name Wt.% CAS
4,4′-Diphenylmethane diisocyanate 30 – 60101-68-8
1,2-Benzenedicarboxylic acid, di-C9-11-branched alkyl esters, C10-rich 15 – 4068515-49-1
Benzene, 1,1′-methylenebis[4-isocyanato-, homopolymer 10 – 3025686-28-6
2,6-di-tert-butyl-p-cresol 0.1 – 1128-37-0
Naphthalene < 0.001 91-20-3
4. FIRST AID MEASURES
EYES: Immediately flush with plenty of water. After initial flushing, remove any contact lenses and continue flushing for at least 15 minutes. Get
medical advice/attention.
SKIN: Immediately wash skin with soap and plenty of water. Remove contaminated clothing. Get medical advice/attention if irritation or rash
develops. Wash clothing before reuse.
INGESTION: If swallowed, call a physician immediately. Do not induce vomiting unless directed to do so by medical personnel. Provided the
patient is conscious, wash out mouth with water. Never give anything by mouth to an unconscious person.
INHALATION: Remove to fresh air. If not breathing, if breathing is irregular or if respiratory arrest occurs, provide artificial respiration or
oxygen by trained personnel. Get immediate medical attention.
NOTES TO PHYSICIAN: Symptomatic and supportive therapy as needed. Following severe exposure medical follow-up should be monitored
for at least 48 hours.
5. FIRE FIGHTING MEASURES
EXTINGUISHING MEDIA: Water fog, dry chemical, foam, or carbon dioxide.
HAZARDOUS COMBUSTION PRODUCTS: Carbon monoxide, carbon dioxide, nitrogen oxides, hydrocarbons, and hydrogen cyanide.
FIRE FIGHTING PROCEDURES: Cool fire exposed containers with water spray. Remove containers from the fire area if possible. Do not
release runoff from fire control methods to sewers or waterways.
FIRE FIGHTING EQUIPMENT: Firefighters should wear positive pressure self-contained breathing apparatus (SCBA) and consider use of
unmanned hose holders or monitor nozzles for fighting large fires.
6. ACCIDENTAL RELEASE MEASURES
SPILL AND LEAK PROCEDURES: Evacuate unnecessary personnel from the spill area. Wear necessary personal protective equipment (PPE)
as specified in the SDS or the site emergency response plan. Eliminate all sources of ignition. Ensure adequate ventilation. Dike and contain
Page 2 of 7
TC-851 PART A
spill. Prevent product from entering drains or waterways. Absorb with non-combustible material (such as sand, earth, diatomaceous earth, or
vermiculite) and transfer to a container for disposal according to local/national regulations.
ENVIRONMENTAL PRECAUTIONS
WATER SPILL: Do not discharge into drains, surface waters, or groundwater.
GENERAL PROCEDURES: Refer to section 8 of SDS for personal protection details.
RELEASE NOTES: Composition and extent of any spill should be evaluated against local regulations and reported to the proper agencies, if
necessary.
7. HANDLING AND STORAGE
GENERAL PROCEDURES: Avoid contact with eyes, skin and clothing. Use only with adequate ventilation. Avoid breathing vapor over open
containers. Avoid open container exposure to damp air. Avoid breathing aerosols, mists, and vapors.
HANDLING: Use appropriate personal protective equipment as specified in Section 8. Handle in a well-ventilated area. Handle and use in a
manner consistent with good industrial/manufacturing techniques and practices.
STORAGE: Store in a dry and well-ventilated place, away from excessive heat, in original or similar container. Avoid unnecessary contact.
Protect from freezing. Containers should be tightly sealed to prevent contamination with foreign materials.
STORAGE TEMPERATURE: 65-80 F (18-27 C)
SHELF LIFE: 6 months from date of shipment under manufacturers recommended storage conditions.
8. EXPOSURE CONTROLS / PERSONAL PROTECTION
EXPOSURE GUIDELINES
OSHA HAZARDOUS COMPONENTS (29 CFR1910.1200)
EXPOSURE LIMITS
Chemical Name Type ppm mg/m
3
4,4'-Diphenylmethane diisocyanate
OSHA PEL C 0.02 0.2
ACGIH TLV TWA 0.005 -
NIOSH REL
TWA 0.005 0.05
C 0.02
[1]
0.2
[1]
2,6-di-tert-butyl-p-cresol
OSHA PEL
TWA - -
STEL - -
ACGIH TLV
TWA - -
STEL - -
NIOSH REL
TWA - 10
STEL - -
Naphthalene
OSHA PEL
TWA 10 50
STEL - -
ACGIH TLV
TWA 10 52
STEL 15 79
NIOSH REL
TWA 10 50
STEL 15 75
Footnotes:
1. 10-minute
ENGINEERING CONTROLS: Use process enclosures, local exhaust ventilation, or other engineering controls to control airborne levels below
recommended exposure limits.
PERSONAL PROTECTIVE EQUIPMENT
Page 3 of 7
TC-851 PART A
EYES AND FACE: Safety goggles or glasses are recommended. Plastic face shields should be used for complete face protection to protect
against possible splashing or spraying of material. ANSI Z87.1 or approved equivalent.
SKIN: Chemical-resistant gloves and chemical goggles, face-shield, and synthetic apron or coveralls should be used to prevent contact with
eyes, skin, or clothing. Wear nitrile or neoprene gloves. Chemical resistant gloves lined with polyethylene offer maximum protection.
RESPIRATORY: Exhaust ventilation recommended. An organic vapor cartridge or fresh air supplied respirator (NIOSH approved) may be
necessary for certain applications. Consider the type of application, environmental concentrations, and other materials being used concurrently
when determining respirator use and selection. Observe OSHA regulations for respirator use (29 CFR 1910.134).
PROTECTIVE CLOTHING: Protective clothing should be selected and used in accordance with "Guidelines for the Selection of Chemical
Protective Clothing" published by ACGIH.
WORK HYGIENIC PRACTICES: Contaminated clothing should be changed and washed before reuse. Eating, drinking and smoking in
immediate work area should be prohibited. Wash hands before eating.
OTHER USE PRECAUTIONS: Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower.
Training is important. Follow all label precautions.
9. PHYSICAL AND CHEMICAL PROPERTIES
PHYSICAL STATE: Liquid
ODOR: Slight
COLOR: Pale yellow
pH: No data available
PERCENT VOLATILE: 0.03
FLASH POINT AND METHOD: 207.2 C (405 F) Pensky-Martens CC
VAPOR PRESSURE: No data available
VAPOR DENSITY: No data available
BOILING POINT: No data available
SOLUBILITY IN WATER: Reacts with water
SPECIFIC GRAVITY: 1.1 (water=1) at 25 C (77 F)
VISCOSITY #1: 75 Centipoise at 25 C (77 F)
(VOC): < 0.4 g/l Calculated. Theoretical VOC minus water and exempt solvents.
10. STABILITY AND REACTIVITY
REACTIVITY: Hazardous reactions will not occur under normal transport or storage conditions.
STABILITY: This product is stable under normal ambient conditions of temperature and pressure.
CONDITIONS TO AVOID: High temperatures, moisture, and freezing conditions.
POSSIBILITY OF HAZARDOUS REACTIONS: Reaction with water produces carbon dioxide. Exothermic reaction with materials containing
active hydrogen groups. The reaction becomes progressively more vigorous and can be violent at higher temperatures if the miscibility of the
reaction partners is good or is supported by stirring or by the presence of solvents. MDI is insoluble with, and heavier than water and sinks to the
bottom but reacts slowly at the interface. A solid water-insoluble layer of polyurea is formed at the interface by liberating carbon dioxide gas.
HAZARDOUS DECOMPOSITION PRODUCTS: Carbon monoxide, carbon dioxide, nitrogen oxides, hydrocarbons, and hydrogen cyanide.
INCOMPATIBLE MATERIALS: Water, amines, acids, bases, and strong oxidizing agents.
11. TOXICOLOGICAL INFORMATION
ACUTE TOXICITY
Page 4 of 7
TC-851 PART A
Chemical Name ORAL LD50 DERMAL LD50 INHALATION LC 50
4,4'-Diphenylmethane diisocyanate
> 2000 mg/kg
Rat
> 9400 mg/kg Rabbit 2.24 mg/l Rat (1 h,
dust/mist)
1,2-Benzenedicarboxylic acid, di-C9-11-branched alkyl esters, C10-
rich
> 10 g/kg Rat> 3.16 g/kg Rabbit > 0.13 mg/l Rat
Benzene, 1,1′-methylenebis[4-isocyanato-, homopolymer
> 5000 mg/kg
Rat
No data available 0.49 mg/l Rat
2,6-di-tert-butyl-p-cresol
> 2900 mg/kg
Rat
> 2000 mg/kg Rat No data available
Naphthalene
490 mg/kg Rat 20000 mg/kg
Rabbit
> 0.4 mg/l Rat (4 h)
SKIN CORROSION/IRRITATION: Causes skin irritation.
SERIOUS EYE DAMAGE/IRRITATION: Causes serious eye irritation.
RESPIRATORY OR SKIN SENSITISATION: May cause sensitization by inhalation and skin contact.
GERM CELL MUTAGENICITY: No data available
CARCINOGENICITY
Chemical Name NTP Status IARC Status
4,4′-Diphenylmethane diisocyanate 3
2,6-di-tert-butyl-p-cresol 3
Naphthalene 2 2B
REPRODUCTIVE TOXICITY: No data available
STOT-SINGLE EXPOSURE: May cause respiratory irritation.
STOT-REPEATED EXPOSURE: May cause damage to organs through prolonged or repeated exposure.
ASPIRATION HAZARD: No data available
12. ECOLOGICAL INFORMATION
ENVIRONMENTAL DATA: No data available
ECOTOXICOLOGICAL INFORMATION: No specific ecological data are available for this product. Refer to Section 6 for information
regarding accidental release and Section 15 for regulatory reporting information.
BIOACCUMULATION/ACCUMULATION: No data available
DISTRIBUTION: No data available
CHEMICAL FATE INFORMATION: No data available
13. DISPOSAL CONSIDERATIONS
DISPOSAL METHOD: The generation of waste should be avoided or minimized wherever possible. Empty containers or liners may retain some
product residues. This material and its container must be disposed of in a safe way. Dispose of surplus and non-recyclable products via a licensed
waste disposal contractor. Disposal of this product, solutions and any by-products should at all times comply with the requirements of
environmental protections and waste disposal legislation and any regional local authority requirements. Avoid dispersal of spilled material and
runoff and contact with soil, waterways, drains and sewers.
14. TRANSPORT INFORMATION
DOT (DEPARTMENT OF TRANSPORTATION): Not Regulated
AIR (ICAO/IATA): Not Regulated
VESSEL (IMO/IMDG): Not Regulated
15. REGULATORY INFORMATION
Page 5 of 7
TC-851 PART A
UNITED STATES
SARA TITLE III (SUPERFUND AMENDMENTS AND REAUTHORIZ ATION ACT)
311/312 HEALTH HAZARDS: Acute Health Hazard, Chronic Health Hazard
313 REPORTABLE INGREDIENTS: This product contains the following substances subject to the reporting requirements of Section 313
of Title III of the Superfund Amendments and Reauthorization Act of 1986 and 40 CFR Part 372:
EPCRA SECTION 313 SUPPLIER NOTIFICATION
Chemical Name Wt.% CAS Comments
4,4′-Diphenylmethane diisocyanate 30 – 60101-68-8Diisocyanate Compounds (Category Code N120)
CERCLA (COMPREHENSIVE ENVIRONMENTAL RESPONSE, COMPE NSATION, AND LIABILITY ACT)
CERCLA REGULATORY: This product contains one or more substances regulated as a hazardous substance under the Comprehensive
Environmental Response Compensation and Liability Act (CERCLA) (40 CFR 302).
Chemical Name Wt.% CERCLA RQ
4,4′-Diphenylmethane diisocyanate 30 – 60 5,000 lbs.
Naphthalene < 0.001 100 lbs.
TSCA (TOXIC SUBSTANCE CONTROL ACT)
TSCA REGULATORY: This product does not contain any substances subject to TSCA Section 12(b) export notification.
TSCA STATUS: This product or its components are listed in or exempt from the TSCA inventory requirements.
OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION (OSHA )
29 CFR1910.119---PROCESS SAFETY MANAGEMENT OF HIGHL Y HAZARDOUS CHEMICALS: None of the chemicals in this
product are considered highly hazardous by OSHA.
CALIFORNIA PROPOSITION 65: WARNING: This product can expose you to chemicals including [see table below], which is [are]
known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to
www.P65Warnings.ca.gov.
Chemical Name Wt.% Listed
1,2-Benzenedicarboxylic acid, di-C9-11-branched alkyl esters, C10-rich 15 - 40 Developmental Toxicity
Naphthalene < 0.001 Cancer
OSHA HAZARD COMM. RULE: The contents of the SDS comply with the OSHA Hazard Communication Standard 29 CFR 1910.1200.
CANADA
WHMIS (WORKPLACE HAZARDOUS MATERIALS INFORMATION SY STEM): This product has been classified according to the
hazard criteria of the CPR and the SDS contains all the information required by the CPR.
DOMESTIC SUBSTANCE LIST (INVENTORY): All components in this product are listed in or exempted from the Domestic Substances
List (DSL) or the Non-Domestic Substances List (NDSL).
GENERAL COMMENTS:
DIDP RESTRICTIONS: This product contains diisodecyl phthalate (DIDP), CAS# 68515-49-1 EINECS# 271-091-4. In the U.S., there is an
interim prohibition on DIDP above 0.1 percent by weight (one thousand parts per million) in toys intended for children age 12 and under that can
be placed in a child's mouth and child care articles for children age 3 and under [H.R. 4040, The Consumer Safety Improvement Act of 2008]. In
the EU, DIDP shall not be used as substance or as constituents of preparations, at concentrations of greater than 0.1 percent by weight (one
thousand parts per million) of the plasticized material, in toys and child care articles which can be place in the mouth by children. Such toys and
child care articles containing DIDP in concentrations greater than the limit mentioned above shall not be placed on the market [Directive
2005/84/EC].
16. OTHER INFORMATION
REASON FOR ISSUE: Revision
Date Revised: 03/12/2021
REVISION SUMMARY: This SDS replaces the 09/04/2018 SDS.
Page 6 of 7
TC-851 PART A
HMIS RATING
HEALTH * 2
FLAMMABILITY 1
PHYSICAL HAZARD 0
PERSONAL PROTECTION X
NFPA CODES
1
2 0
HMIS RATINGS NOTES: Personal Protection: See Section 8
MANUFACTURER DISCLAIMER: This information is furnished without warranty, expressed or implied, except that is accurate to the best
knowledge of BJB Enterprises, Inc. The data on this sheet relates only to the specific material designated herein. BJB Enterprises, Inc. assumes
no legal responsibility for use or reliance upon this data.
Page 7 of 7
TC-851 PART A
SAFETY DATA SHEET
Date Issued : 07/21/2009
SDS No : TC-851 PART B
Date Revised : 03/12/2021
Revision No : 4
TC-851 PART B
1. PRODUCT AND COMPANY IDENTIFICATION
PRODUCT NAME: TC-851 PART B
GENERAL USE: Polyurethane curative
MANUFACTURER 24 HR. EMERGENCY TELEPHONE NUMBERS
BJB Enterprises, Inc.
14791 Franklin Avenue
Tustin, CA 92780
Emergency Phone: (714) 734-8450
CHEMTREC (USA & Canada): (800) 424-9300
or (703) 527-3887 CCN# 2820
2. HAZARDS IDENTIFICATION
GHS CLASSIFICATIONS
This product does not meet the criteria for classification.
GHS LABEL
Not Applicable
3. COMPOSITION / INFORMATION ON INGREDIENTS
Chemical Name Wt.% CAS
Polyether polyol mixture 60 - 100Proprietary
Naphthalene < 0.001 91-20-3
4. FIRST AID MEASURES
EYES: Immediately flush with plenty of water. After initial flushing, remove any contact lenses and continue flushing for at least 15 minutes. Get
medical advice/attention if irritation develops.
SKIN: Immediately wash skin with soap and plenty of water. Remove contaminated clothing. Get medical advice/attention if irritation or rash
develops. Wash clothing before reuse.
INGESTION: If swallowed, call a physician immediately. Do not induce vomiting unless directed to do so by medical personnel. Provided the
patient is conscious, wash out mouth with water. Never give anything by mouth to an unconscious person.
INHALATION: Remove to fresh air. Seek medical advice/attention if breathing becomes difficult or if respiratory irritation develops.
NOTES TO PHYSICIAN: Symptomatic and supportive therapy as needed. Following severe exposure medical follow-up should be monitored
for at least 48 hours.
5. FIRE FIGHTING MEASURES
EXTINGUISHING MEDIA: Water spray, carbon dioxide, dry chemical, or foam.
HAZARDOUS COMBUSTION PRODUCTS: Carbon monoxide and carbon dioxide.
FIRE FIGHTING PROCEDURES: Cool fire exposed containers with water spray. Remove containers from the fire area if possible. Do not
release runoff from fire control methods to sewers or waterways.
FIRE FIGHTING EQUIPMENT: Firefighters should wear positive pressure self-contained breathing apparatus (SCBA) and consider use of
unmanned hose holders or monitor nozzles for fighting large fires.
6. ACCIDENTAL RELEASE MEASURES
Page 1 of 5
SPILL AND LEAK PROCEDURES: Evacuate unnecessary personnel from the spill area. Wear necessary personal protective equipment (PPE)
as specified in the SDS or the site emergency response plan. Eliminate all sources of ignition. Ensure adequate ventilation. Dike and contain
spill. Prevent product from entering drains or waterways. Absorb with non-combustible material (such as sand, earth, diatomaceous earth, or
vermiculite) and transfer to a container for disposal according to local/national regulations.
ENVIRONMENTAL PRECAUTIONS
WATER SPILL: Do not discharge into drains, surface waters, or groundwater.
GENERAL PROCEDURES: Refer to section 8 of SDS for personal protection details.
RELEASE NOTES: Composition and extent of any spill should be evaluated against local regulations and reported to the proper agencies, if
necessary.
7. HANDLING AND STORAGE
GENERAL PROCEDURES: Avoid contact with eyes, skin and clothing. Use only with adequate ventilation. Avoid breathing vapor over open
containers. Avoid open container exposure to damp air. Avoid breathing aerosols, mists, and vapors.
HANDLING: Use appropriate personal protective equipment as specified in Section 8. Handle in a well-ventilated area. Handle and use in a
manner consistent with good industrial/manufacturing techniques and practices.
STORAGE: Store in a dry and well-ventilated place, away from excessive heat, in original or similar container. Avoid unnecessary contact.
Protect from freezing. Containers should be tightly sealed to prevent contamination with foreign materials.
STORAGE TEMPERATURE: 65-80 F (18-27 C)
SHELF LIFE: 6 months from date of shipment under manufacturers recommended storage conditions.
8. EXPOSURE CONTROLS / PERSONAL PROTECTION
EXPOSURE GUIDELINES
OSHA HAZARDOUS COMPONENTS (29 CFR1910.1200)
EXPOSURE LIMITS
Chemical Name Type ppm mg/m
3
Naphthalene
OSHA PEL
TWA 10 50
STEL - -
ACGIH TLV
TWA 10 52
STEL 15 79
NIOSH REL
TWA 10 50
STEL 15 75
ENGINEERING CONTROLS: Use process enclosures, local exhaust ventilation, or other engineering controls to control airborne levels below
recommended exposure limits.
PERSONAL PROTECTIVE EQUIPMENT
EYES AND FACE: Safety goggles or glasses are recommended. Plastic face shields should be used for complete face protection to protect
against possible splashing or spraying of material. ANSI Z87.1 or approved equivalent.
SKIN: Chemical-resistant gloves and chemical goggles, face-shield, and synthetic apron or coveralls should be used to prevent contact with
eyes, skin, or clothing. Wear nitrile or neoprene gloves. Chemical resistant gloves lined with polyethylene offer maximum protection.
RESPIRATORY: Exhaust ventilation recommended. An organic vapor cartridge or fresh air supplied respirator (NIOSH approved) may be
necessary for certain applications. Consider the type of application, environmental concentrations, and other materials being used concurrently
when determining respirator use and selection. Observe OSHA regulations for respirator use (29 CFR 1910.134).
PROTECTIVE CLOTHING: Protective clothing should be selected and used in accordance with "Guidelines for the Selection of Chemical
Protective Clothing" published by ACGIH.
WORK HYGIENIC PRACTICES: Contaminated clothing should be changed and washed before reuse. Eating, drinking and smoking in
immediate work area should be prohibited. Wash hands before eating.
OTHER USE PRECAUTIONS: Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower.
Training is important. Follow all label precautions.
Page 2 of 5
TC-851 PART B
9. PHYSICAL AND CHEMICAL PROPERTIES
PHYSICAL STATE: Liquid
ODOR: Slight
COLOR: Colorless
pH: No data available
PERCENT VOLATILE: 0.04
FLASH POINT AND METHOD: 165.6 C (330 F) Pensky-Martens CC
VAPOR PRESSURE: No data available
VAPOR DENSITY: No data available
BOILING POINT: No data available
SOLUBILITY IN WATER: Partially soluble
SPECIFIC GRAVITY: 1.07 (water=1) at 25 C (77 F)
VISCOSITY #1: 1400 Centipoise at 25 C (77 F)
(VOC): < 0.5 g/l Calculated. Theoretical VOC minus water and exempt solvents.
10. STABILITY AND REACTIVITY
REACTIVITY: Hazardous reactions will not occur under normal transport or storage conditions.
STABILITY: This product is stable under normal ambient conditions of temperature and pressure.
CONDITIONS TO AVOID: High temperatures, moisture, and freezing conditions.
POSSIBILITY OF HAZARDOUS REACTIONS: No data available
HAZARDOUS DECOMPOSITION PRODUCTS: Carbon monoxide and carbon dioxide.
INCOMPATIBLE MATERIALS: Isocyanates, strong acids, strong bases, and strong oxidizing agents.
11. TOXICOLOGICAL INFORMATION
ACUTE TOXICITY
Chemical Name ORAL LD50 DERMAL LD50 INHALATION LC 50
Polyether polyol mixture No data available No data available No data available
Naphthalene 490 mg/kg Rat 20000 mg/kg Rabbit > 0.4 mg/l Rat (4 h)
SKIN CORROSION/IRRITATION: No data available
SERIOUS EYE DAMAGE/IRRITATION: No data available
RESPIRATORY OR SKIN SENSITISATION: No data available
GERM CELL MUTAGENICITY: No data available
CARCINOGENICITY
Chemical Name NTP Status IARC Status
Naphthalene 2 2B
REPRODUCTIVE TOXICITY: No data available
STOT-SINGLE EXPOSURE: No data available
STOT-REPEATED EXPOSURE: No data available
ASPIRATION HAZARD: No data available
12. ECOLOGICAL INFORMATION
ENVIRONMENTAL DATA: No data available
ECOTOXICOLOGICAL INFORMATION: No specific ecological data are available for this product. Refer to Section 6 for information
regarding accidental release and Section 15 for regulatory reporting information.
Page 3 of 5
TC-851 PART B
BIOACCUMULATION/ACCUMULATION: No data available
DISTRIBUTION: No data available
CHEMICAL FATE INFORMATION: No data available
13. DISPOSAL CONSIDERATIONS
DISPOSAL METHOD: The generation of waste should be avoided or minimized wherever possible. Empty containers or liners may retain some
product residues. This material and its container must be disposed of in a safe way. Dispose of surplus and non-recyclable products via a licensed
waste disposal contractor. Disposal of this product, solutions and any by-products should at all times comply with the requirements of
environmental protections and waste disposal legislation and any regional local authority requirements. Avoid dispersal of spilled material and
runoff and contact with soil, waterways, drains and sewers.
14. TRANSPORT INFORMATION
DOT (DEPARTMENT OF TRANSPORTATION): Not Regulated
AIR (ICAO/IATA): Not Regulated
VESSEL (IMO/IMDG): Not Regulated
15. REGULATORY INFORMATION
UNITED STATES
SARA TITLE III (SUPERFUND AMENDMENTS AND REAUTHORIZ ATION ACT)
311/312 HEALTH HAZARDS: None Known
313 REPORTABLE INGREDIENTS: This product does not contain any substances subject to the reporting requirements of Section 313 of
Title III of the Superfund Amendments and Reauthorization Act of 1986 and 40 CFR Part 372.
CERCLA (COMPREHENSIVE ENVIRONMENTAL RESPONSE, COMPE NSATION, AND LIABILITY ACT)
CERCLA REGULATORY: This product contains one or more substances regulated as a hazardous substance under the Comprehensive
Environmental Response Compensation and Liability Act (CERCLA) (40 CFR 302).
Chemical Name Wt.% CERCLA RQ
Naphthalene < 0.001 100 lbs.
TSCA (TOXIC SUBSTANCE CONTROL ACT)
TSCA REGULATORY: This product does not contain any substances subject to TSCA Section 12(b) export notification.
TSCA STATUS: This product or its components are listed in or exempt from the TSCA inventory requirements.
OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION (OSHA )
29 CFR1910.119---PROCESS SAFETY MANAGEMENT OF HIGHL Y HAZARDOUS CHEMICALS: None of the chemicals in this
product are considered highly hazardous by OSHA.
CALIFORNIA PROPOSITION 65: WARNING: This product can expose you to chemicals including [see table below], which is [are]
known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.
Chemical Name Wt.% Listed
Naphthalene < 0.001 Cancer
OSHA HAZARD COMM. RULE: The contents of the SDS comply with the OSHA Hazard Communication Standard 29 CFR 1910.1200.
CANADA
WHMIS (WORKPLACE HAZARDOUS MATERIALS INFORMATION SY STEM): This product has been classified according to the
hazard criteria of the CPR and the SDS contains all the information required by the CPR.
DOMESTIC SUBSTANCE LIST (INVENTORY): All components in this product are listed in or exempted from the Domestic Substances
List (DSL) or the Non-Domestic Substances List (NDSL).
GENERAL COMMENTS: No data available
16. OTHER INFORMATION
REASON FOR ISSUE: Revision
Page 4 of 5
TC-851 PART B
Date Revised: 03/12/2021
REVISION SUMMARY: This SDS replaces the 09/04/2018 SDS.
HMIS RATING
HEALTH 1
FLAMMABILITY 1
PHYSICAL HAZARD 0
PERSONAL PROTECTION X
NFPA CODES
1
1 0
HMIS RATINGS NOTES: Personal Protection: See Section 8
MANUFACTURER DISCLAIMER: This information is furnished without warranty, expressed or implied, except that is accurate to the best
knowledge of BJB Enterprises, Inc. The data on this sheet relates only to the specific material designated herein. BJB Enterprises, Inc. assumes
no legal responsibility for use or reliance upon this data.
Page 5 of 5
TC-851 PART B
by | Sep 27, 2025
SAFETY DATA SHEET
Date Issued : 11/18/2011
SDS No : TC-850 PART A
Date Revised : 02/02/2021
Revision No : 3
TC-850 PART A
1. PRODUCT AND COMPANY IDENTIFICATION
PRODUCT NAME: TC-850 PART A
GENERAL USE: Polyurethane resin
MANUFACTURER 24 HR. EMERGENCY TELEPHONE NUMBERS
BJB Enterprises, Inc.
14791 Franklin Avenue
Tustin, CA 92780
Emergency Phone: (714) 734-8450
CHEMTREC (USA & Canada): (800) 424-9300
or (703) 527-3887 CCN# 2820
2. HAZARDS IDENTIFICATION
GHS CLASSIFICATIONS
Health:
Acute Toxicity (Inhalation), Category 4
Skin Irritation, Category 2
Eye Irritation, Category 2A
Respiratory Sensitization, Category 1
Skin Sensitization, Category 1
Carcinogenicity, Category 2
Target Organ Toxicity (Single exposure), Category 3
Target Organ Toxicity (Repeated exposure), Category 2
GHS LABEL
Health hazard Exclamation
mark
SIGNAL WORD: DANGER
HAZARD STATEMENTS
H332: Harmful if inhaled.
H315: Causes skin irritation.
H319: Causes serious eye irritation.
H334: May cause allergy or asthma symptoms or breathing difficulties if inhaled.
H317: May cause an allergic skin reaction.
H351: Suspected of causing cancer.
H335: May cause respiratory irritation.
H373: May cause damage to organs through prolonged or repeated exposure.
PRECAUTIONARY STATEMENTS
Prevention:
P201: Obtain special instructions before use.
P202: Do not handle until all safety precautions have been read and understood.
P260: Do not breathe dust/fume/gas/mist/vapours/spray.
P271: Use only outdoors or in a well-ventilated area.
P284: In case of inadequate ventilation wear respiratory protection.
P264: Wash thoroughly after handling.
Page 1 of 7
P272: Contaminated work clothing should not be allowed out of the workplace.
P280: Wear protective gloves/protective clothing/eye protection/face protection.
Response:
P304+P340: IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P342+P311: If experiencing respiratory symptoms: Call a POISON CENTER/doctor/physician.
P302+P352: IF ON SKIN: Wash with plenty of soap and water.
P333+P313: If skin irritation or rash occurs: Get medical advice/attention.
P362+P364: Take off contaminated clothing and wash it before reuse.
P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue
rinsing.
P337+P313: If eye irritation persists: Get medical advice/attention.
P308+P313: IF exposed or concerned: Get medical advice/ attention.
Storage:
P403+P233: Store in a well-ventilated place. Keep container tightly closed.
P405: Store locked up.
Disposal:
P501: Dispose of contents/container in accordance with local/regional/national/international regulations.
3. COMPOSITION / INFORMATION ON INGREDIENTS
Chemical Name Wt.% CAS
4,4′-Diphenylmethane diisocyanate 30 – 60101-68-8
1,2-Benzenedicarboxylic acid, di-C9-11-branched alkyl esters, C10-rich 15 – 4068515-49-1
Benzene, 1,1′-methylenebis[4-isocyanato-, homopolymer 10 – 3025686-28-6
2,6-di-tert-butyl-p-cresol 0.1 – 1128-37-0
4. FIRST AID MEASURES
EYES: Immediately flush with plenty of water. After initial flushing, remove any contact lenses and continue flushing for at least 15 minutes. Get
medical advice/attention.
SKIN: Immediately wash skin with soap and plenty of water. Remove contaminated clothing. Get medical advice/attention if irritation or rash
develops. Wash clothing before reuse.
INGESTION: If swallowed, call a physician immediately. Do not induce vomiting unless directed to do so by medical personnel. Provided the
patient is conscious, wash out mouth with water. Never give anything by mouth to an unconscious person.
INHALATION: Remove to fresh air. If not breathing, if breathing is irregular or if respiratory arrest occurs, provide artificial respiration or
oxygen by trained personnel. Get immediate medical attention.
NOTES TO PHYSICIAN: Symptomatic and supportive therapy as needed. Following severe exposure medical follow-up should be monitored
for at least 48 hours.
5. FIRE FIGHTING MEASURES
EXTINGUISHING MEDIA: Water fog, dry chemical, foam, or carbon dioxide.
HAZARDOUS COMBUSTION PRODUCTS: Carbon monoxide, carbon dioxide, nitrogen oxides, hydrocarbons, and hydrogen cyanide.
FIRE FIGHTING PROCEDURES: Cool fire exposed containers with water spray. Remove containers from the fire area if possible. Do not
release runoff from fire control methods to sewers or waterways.
FIRE FIGHTING EQUIPMENT: Firefighters should wear positive pressure self-contained breathing apparatus (SCBA) and consider use of
unmanned hose holders or monitor nozzles for fighting large fires.
6. ACCIDENTAL RELEASE MEASURES
SPILL AND LEAK PROCEDURES: Evacuate unnecessary personnel from the spill area. Wear necessary personal protective equipment (PPE)
as specified in the SDS or the site emergency response plan. Eliminate all sources of ignition. Ensure adequate ventilation. Dike and contain
spill. Prevent product from entering drains or waterways. Absorb with non-combustible material (such as sand, earth, diatomaceous earth, or
vermiculite) and transfer to a container for disposal according to local/national regulations.
Page 2 of 7
TC-850 PART A
ENVIRONMENTAL PRECAUTIONS
WATER SPILL: Do not discharge into drains, surface waters, or groundwater.
GENERAL PROCEDURES: Refer to section 8 of SDS for personal protection details.
RELEASE NOTES: Composition and extent of any spill should be evaluated against local regulations and reported to the proper agencies, if
necessary.
7. HANDLING AND STORAGE
GENERAL PROCEDURES: Avoid contact with eyes, skin and clothing. Use only with adequate ventilation. Avoid breathing vapor over open
containers. Avoid open container exposure to damp air. Avoid breathing aerosols, mists, and vapors.
HANDLING: Use appropriate personal protective equipment as specified in Section 8. Handle in a well-ventilated area. Handle and use in a
manner consistent with good industrial/manufacturing techniques and practices.
STORAGE: Store in a dry and well-ventilated place, away from excessive heat, in original or similar container. Avoid unnecessary contact.
Protect from freezing. Containers should be tightly sealed to prevent contamination with foreign materials.
STORAGE TEMPERATURE: 65-80 F (18-27 C)
SHELF LIFE: 6 months from date of shipment under manufacturers recommended storage conditions.
8. EXPOSURE CONTROLS / PERSONAL PROTECTION
Page 3 of 7
TC-850 PART A
EXPOSURE GUIDELINES
OSHA HAZARDOUS COMPONENTS (29 CFR1910.1200)
EXPOSURE LIMITS
Chemical Name Type ppmmg/m
3
4,4′-Diphenylmethane diisocyanate
OSHA PEL
TWA – –
STEL – –
C 0.02 0.2
ACGIH TLV
TWA 0.005 –
STEL – –
NIOSH REL
TWA 0.0050.05
STEL – –
C 0.02
[1]
0.2
[1]
1,2-Benzenedicarboxylic acid, di-C9-11-branched alkyl esters, C10-rich
OSHA PEL
TWA – –
STEL – –
ACGIH TLV
TWA – –
STEL – –
NIOSH REL
TWA – –
STEL – –
Benzene, 1,1′-methylenebis[4-isocyanato-, homopolymer
OSHA PEL
TWA – –
STEL – –
ACGIH TLV
TWA – –
STEL – –
NIOSH REL
TWA – –
STEL – –
2,6-di-tert-butyl-p-cresol
OSHA PEL
TWA – –
STEL – –
ACGIH TLV
TWA – –
STEL – –
NIOSH REL
TWA – 10
STEL – –
Footnotes:
1. 10-minute
ENGINEERING CONTROLS: Use process enclosures, local exhaust ventilation, or other engineering controls to control airborne levels below
recommended exposure limits.
PERSONAL PROTECTIVE EQUIPMENT
EYES AND FACE: Safety goggles or glasses are recommended. Plastic face shields should be used for complete face protection to protect
against possible splashing or spraying of material. ANSI Z87.1 or approved equivalent.
SKIN: Chemical-resistant gloves and chemical goggles, face-shield, and synthetic apron or coveralls should be used to prevent contact with
eyes, skin, or clothing. Wear nitrile or neoprene gloves. Chemical resistant gloves lined with polyethylene offer maximum protection.
RESPIRATORY: Exhaust ventilation recommended. An organic vapor cartridge or fresh air supplied respirator (NIOSH approved) may be
necessary for certain applications. Consider the type of application, environmental concentrations, and other materials being used concurrently
when determining respirator use and selection. Observe OSHA regulations for respirator use (29 CFR 1910.134).
Page 4 of 7
TC-850 PART A
PROTECTIVE CLOTHING: Protective clothing should be selected and used in accordance with “Guidelines for the Selection of Chemical
Protective Clothing” published by ACGIH.
WORK HYGIENIC PRACTICES: Contaminated clothing should be changed and washed before reuse. Eating, drinking and smoking in
immediate work area should be prohibited. Wash hands before eating.
OTHER USE PRECAUTIONS: Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower.
Training is important. Follow all label precautions.
9. PHYSICAL AND CHEMICAL PROPERTIES
PHYSICAL STATE: Liquid
ODOR: Slight
COLOR: Pale yellow
pH: No data available
FLASH POINT AND METHOD: 207.2 C (405 F) Pensky-Martens CC
VAPOR PRESSURE: No data available
VAPOR DENSITY: No data available
BOILING POINT: No data available
SOLUBILITY IN WATER: Reacts with water
SPECIFIC GRAVITY: 1.1 (water=1) at 25 C (77 F)
VISCOSITY #1: 75 Centipoise at 25 C (77 F)
(VOC): < 0.3 g/l Calculated. Theoretical VOC minus water and exempt solvents.
10. STABILITY AND REACTIVITY
REACTIVITY: Hazardous reactions will not occur under normal transport or storage conditions.
STABILITY: This product is stable under normal ambient conditions of temperature and pressure.
CONDITIONS TO AVOID: High temperatures, moisture, and freezing conditions.
POSSIBILITY OF HAZARDOUS REACTIONS: Reaction with water produces carbon dioxide. Exothermic reaction with materials containing
active hydrogen groups. The reaction becomes progressively more vigorous and can be violent at higher temperatures if the miscibility of the
reaction partners is good or is supported by stirring or by the presence of solvents. MDI is insoluble with, and heavier than water and sinks to the
bottom but reacts slowly at the interface. A solid water-insoluble layer of polyurea is formed at the interface by liberating carbon dioxide gas.
HAZARDOUS DECOMPOSITION PRODUCTS: Carbon monoxide, carbon dioxide, nitrogen oxides, hydrocarbons, and hydrogen cyanide.
INCOMPATIBLE MATERIALS: Water, amines, acids, bases, and strong oxidizing agents.
11. TOXICOLOGICAL INFORMATION
ACUTE TOXICITY
Chemical Name ORAL LD50 DERMAL LD50 INHALATION LC 50
4,4'-Diphenylmethane diisocyanate
> 2000 mg/kg
Rat
> 9400 mg/kg
Rabbit
2.24 mg/l Rat (1 h,
dust/mist)
1,2-Benzenedicarboxylic acid, di-C9-11-branched alkyl esters, C10-
rich
> 10 g/kg Rat> 3.16 g/kg Rabbit > 0.13 mg/l Rat
Benzene, 1,1′-methylenebis[4-isocyanato-, homopolymer
> 5000 mg/kg
Rat
No data available 0.49 mg/l Rat
2,6-di-tert-butyl-p-cresol
> 2900 mg/kg
Rat
> 2000 mg/kg Rat No data available
SKIN CORROSION/IRRITATION: Causes skin irritation.
SERIOUS EYE DAMAGE/IRRITATION: Causes serious eye irritation.
RESPIRATORY OR SKIN SENSITISATION: May cause sensitization by inhalation and skin contact.
GERM CELL MUTAGENICITY: No data available
Page 5 of 7
TC-850 PART A
CARCINOGENICITY
Chemical Name IARC Status
4,4′-Diphenylmethane diisocyanate 3
2,6-di-tert-butyl-p-cresol 3
REPRODUCTIVE TOXICITY: No data available
STOT-SINGLE EXPOSURE: May cause respiratory irritation.
STOT-REPEATED EXPOSURE: May cause damage to organs through prolonged or repeated exposure.
ASPIRATION HAZARD: No data available
12. ECOLOGICAL INFORMATION
ENVIRONMENTAL DATA: No data available
ECOTOXICOLOGICAL INFORMATION: No specific ecological data are available for this product. Refer to Section 6 for information
regarding accidental release and Section 15 for regulatory reporting information.
BIOACCUMULATION/ACCUMULATION: No data available
DISTRIBUTION: No data available
CHEMICAL FATE INFORMATION: No data available
13. DISPOSAL CONSIDERATIONS
DISPOSAL METHOD: The generation of waste should be avoided or minimized wherever possible. Empty containers or liners may retain some
product residues. This material and its container must be disposed of in a safe way. Dispose of surplus and non-recyclable products via a licensed
waste disposal contractor. Disposal of this product, solutions and any by-products should at all times comply with the requirements of
environmental protections and waste disposal legislation and any regional local authority requirements. Avoid dispersal of spilled material and
runoff and contact with soil, waterways, drains and sewers.
14. TRANSPORT INFORMATION
DOT (DEPARTMENT OF TRANSPORTATION): Not Regulated
AIR (ICAO/IATA): Not Regulated
VESSEL (IMO/IMDG): Not Regulated
15. REGULATORY INFORMATION
UNITED STATES
SARA TITLE III (SUPERFUND AMENDMENTS AND REAUTHORIZ ATION ACT)
311/312 HEALTH HAZARDS: Refer to Section 2 for hazard classification.
313 REPORTABLE INGREDIENTS: This product contains the following substances subject to the reporting requirements of Section 313
of Title III of the Superfund Amendments and Reauthorization Act of 1986 and 40 CFR Part 372:
EPCRA SECTION 313 SUPPLIER NOTIFICATION
Chemical Name Wt.% CAS Comments
4,4′-Diphenylmethane diisocyanate 30 – 60101-68-8Diisocyanate Compounds (Category Code N120)
CERCLA (COMPREHENSIVE ENVIRONMENTAL RESPONSE, COMPE NSATION, AND LIABILITY ACT)
CERCLA REGULATORY: This product contains one or more substances regulated as a hazardous substance under the Comprehensive
Environmental Response Compensation and Liability Act (CERCLA) (40 CFR 302).
Chemical Name Wt.% CERCLA RQ
4,4′-Diphenylmethane diisocyanate 30 – 60 5,000 lbs.
Naphthalene < 0.001 100 lbs.
TSCA (TOXIC SUBSTANCE CONTROL ACT)
TSCA REGULATORY: This product does not contain any substances subject to TSCA Section 12(b) export notification.
Page 6 of 7
TC-850 PART A
TSCA STATUS: This product or its components are listed in or exempt from the TSCA inventory requirements.
OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION (OSHA )
29 CFR1910.119---PROCESS SAFETY MANAGEMENT OF HIGHL Y HAZARDOUS CHEMICALS: None of the chemicals in this
product are considered highly hazardous by OSHA.
CALIFORNIA PROPOSITION 65: WARNING: This product can expose you to chemicals including [see table below], which is [are]
known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to
www.P65Warnings.ca.gov.
Chemical Name Wt.% Listed
1,2-Benzenedicarboxylic acid, di-C9-11-branched alkyl esters, C10-rich 15 - 40 Developmental Toxicity
Naphthalene < 0.001 Cancer
Ethyl acrylate < 0.00001 Cancer
OSHA HAZARD COMM. RULE: The contents of the SDS comply with the OSHA Hazard Communication Standard 29 CFR 1910.1200.
CANADA
WHMIS (WORKPLACE HAZARDOUS MATERIALS INFORMATION SY STEM): This product has been classified according to the
hazard criteria of the CPR and the SDS contains all the information required by the CPR.
DOMESTIC SUBSTANCE LIST (INVENTORY): All components in this product are listed in or exempted from the Domestic Substances
List (DSL) or the Non-Domestic Substances List (NDSL).
GENERAL COMMENTS:
DIDP RESTRICTIONS: This product contains diisodecyl phthalate (DIDP), CAS# 68515-49-1 EINECS# 271-091-4. In the U.S., there is an
interim prohibition on DIDP above 0.1 percent by weight (one thousand parts per million) in toys intended for children age 12 and under that can
be placed in a child's mouth and child care articles for children age 3 and under [H.R. 4040, The Consumer Safety Improvement Act of 2008]. In
the EU, DIDP shall not be used as substance or as constituents of preparations, at concentrations of greater than 0.1 percent by weight (one
thousand parts per million) of the plasticized material, in toys and child care articles which can be place in the mouth by children. Such toys and
child care articles containing DIDP in concentrations greater than the limit mentioned above shall not be placed on the market [Directive
2005/84/EC].
16. OTHER INFORMATION
REASON FOR ISSUE: Revision
Date Revised: 02/02/2021
REVISION SUMMARY: This SDS replaces the 12/28/2017 SDS.
HMIS RATING
HEALTH * 2
FLAMMABILITY 1
PHYSICAL HAZARD 0
PERSONAL PROTECTION X
NFPA CODES
1
2 0
HMIS RATINGS NOTES: Personal Protection: See Section 8
MANUFACTURER DISCLAIMER: This information is furnished without warranty, expressed or implied, except that is accurate to the best
knowledge of BJB Enterprises, Inc. The data on this sheet relates only to the specific material designated herein. BJB Enterprises, Inc. assumes
no legal responsibility for use or reliance upon this data.
Page 7 of 7
TC-850 PART A
SAFETY DATA SHEET
Date Issued : 11/18/2011
SDS No : TC-850 PART B
Date Revised : 02/02/2021
Revision No : 3
TC-850 PART B
1. PRODUCT AND COMPANY IDENTIFICATION
PRODUCT NAME: TC-850 PART B
GENERAL USE: Polyurethane curative
MANUFACTURER 24 HR. EMERGENCY TELEPHONE NUMBERS
BJB Enterprises, Inc.
14791 Franklin Avenue
Tustin, CA 92780
Emergency Phone: (714) 734-8450
CHEMTREC (USA & Canada): (800) 424-9300
or (703) 527-3887 CCN# 2820
2. HAZARDS IDENTIFICATION
GHS CLASSIFICATIONS
This product does not meet the criteria for classification.
GHS LABEL
Not Applicable
3. COMPOSITION / INFORMATION ON INGREDIENTS
Chemical Name Wt.% CAS
Polyether polyol mixture 60 - 100Proprietary
4. FIRST AID MEASURES
EYES: Immediately flush with plenty of water. After initial flushing, remove any contact lenses and continue flushing for at least 15 minutes. Get
medical advice/attention if irritation develops.
SKIN: Immediately wash skin with soap and plenty of water. Remove contaminated clothing. Get medical advice/attention if irritation or rash
develops. Wash clothing before reuse.
INGESTION: If swallowed, call a physician immediately. Do not induce vomiting unless directed to do so by medical personnel. Provided the
patient is conscious, wash out mouth with water. Never give anything by mouth to an unconscious person.
INHALATION: Remove to fresh air. Seek medical advice/attention if breathing becomes difficult or if respiratory irritation develops.
NOTES TO PHYSICIAN: Symptomatic and supportive therapy as needed. Following severe exposure medical follow-up should be monitored
for at least 48 hours.
5. FIRE FIGHTING MEASURES
EXTINGUISHING MEDIA: Water spray, carbon dioxide, dry chemical, or foam.
HAZARDOUS COMBUSTION PRODUCTS: Carbon monoxide and carbon dioxide.
FIRE FIGHTING PROCEDURES: Cool fire exposed containers with water spray. Remove containers from the fire area if possible. Do not
release runoff from fire control methods to sewers or waterways.
FIRE FIGHTING EQUIPMENT: Firefighters should wear positive pressure self-contained breathing apparatus (SCBA) and consider use of
unmanned hose holders or monitor nozzles for fighting large fires.
6. ACCIDENTAL RELEASE MEASURES
SPILL AND LEAK PROCEDURES: Evacuate unnecessary personnel from the spill area. Wear necessary personal protective equipment (PPE)
as specified in the SDS or the site emergency response plan. Eliminate all sources of ignition. Ensure adequate ventilation. Dike and contain
spill. Prevent product from entering drains or waterways. Absorb with non-combustible material (such as sand, earth, diatomaceous earth, or
vermiculite) and transfer to a container for disposal according to local/national regulations.
Page 1 of 4
ENVIRONMENTAL PRECAUTIONS
WATER SPILL: Do not discharge into drains, surface waters, or groundwater.
GENERAL PROCEDURES: Refer to section 8 of SDS for personal protection details.
RELEASE NOTES: Composition and extent of any spill should be evaluated against local regulations and reported to the proper agencies, if
necessary.
7. HANDLING AND STORAGE
GENERAL PROCEDURES: Avoid contact with eyes, skin and clothing. Use only with adequate ventilation. Avoid breathing vapor over open
containers. Avoid open container exposure to damp air. Avoid breathing aerosols, mists, and vapors.
HANDLING: Use appropriate personal protective equipment as specified in Section 8. Handle in a well-ventilated area. Handle and use in a
manner consistent with good industrial/manufacturing techniques and practices.
STORAGE: Store in a dry and well-ventilated place, away from excessive heat, in original or similar container. Avoid unnecessary contact.
Protect from freezing. Containers should be tightly sealed to prevent contamination with foreign materials.
STORAGE TEMPERATURE: 65-80 F (18-27 C)
SHELF LIFE: 6 months from date of shipment under manufacturers recommended storage conditions.
8. EXPOSURE CONTROLS / PERSONAL PROTECTION
EXPOSURE GUIDELINES
OSHA HAZARDOUS COMPONENTS (29 CFR1910.1200)
EXPOSURE LIMITS
Chemical Name Type ppm mg/m
3
Polyether polyol mixture
OSHA PEL
TWA - -
STEL - -
ACGIH TLV
TWA - -
STEL - -
NIOSH REL
TWA - -
STEL - -
ENGINEERING CONTROLS: Use process enclosures, local exhaust ventilation, or other engineering controls to control airborne levels below
recommended exposure limits.
PERSONAL PROTECTIVE EQUIPMENT
EYES AND FACE: Safety goggles or glasses are recommended. Plastic face shields should be used for complete face protection to protect
against possible splashing or spraying of material. ANSI Z87.1 or approved equivalent.
SKIN: Chemical-resistant gloves and chemical goggles, face-shield, and synthetic apron or coveralls should be used to prevent contact with
eyes, skin, or clothing. Wear nitrile or neoprene gloves. Chemical resistant gloves lined with polyethylene offer maximum protection.
RESPIRATORY: Exhaust ventilation recommended. An organic vapor cartridge or fresh air supplied respirator (NIOSH approved) may be
necessary for certain applications. Consider the type of application, environmental concentrations, and other materials being used concurrently
when determining respirator use and selection. Observe OSHA regulations for respirator use (29 CFR 1910.134).
PROTECTIVE CLOTHING: Protective clothing should be selected and used in accordance with "Guidelines for the Selection of Chemical
Protective Clothing" published by ACGIH.
WORK HYGIENIC PRACTICES: Contaminated clothing should be changed and washed before reuse. Eating, drinking and smoking in
immediate work area should be prohibited. Wash hands before eating.
OTHER USE PRECAUTIONS: Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower.
Training is important. Follow all label precautions.
9. PHYSICAL AND CHEMICAL PROPERTIES
PHYSICAL STATE: Viscous liquid
ODOR: Slight
COLOR: Colorless
pH: No data available
Page 2 of 4
TC-850 PART B
FLASH POINT AND METHOD: 162.8 C (325 F) Pensky-Martens CC
VAPOR PRESSURE: No data available
VAPOR DENSITY: No data available
BOILING POINT: No data available
SOLUBILITY IN WATER: Slightly soluble
SPECIFIC GRAVITY: 1.06 (water=1) at 25 C (77 F)
VISCOSITY #1: 1350 Centipoise at 25 C (77 F)
(VOC): < 0.4 g/l Calculated. Theoretical VOC minus water and exempt solvents.
10. STABILITY AND REACTIVITY
REACTIVITY: Hazardous reactions will not occur under normal transport or storage conditions.
STABILITY: This product is stable under normal ambient conditions of temperature and pressure.
CONDITIONS TO AVOID: High temperatures, moisture, and freezing conditions.
POSSIBILITY OF HAZARDOUS REACTIONS: No data available
HAZARDOUS DECOMPOSITION PRODUCTS: Carbon monoxide and carbon dioxide.
INCOMPATIBLE MATERIALS: Isocyanates, acids, and strong oxidizing agents.
11. TOXICOLOGICAL INFORMATION
ACUTE TOXICITY
Chemical Name ORAL LD50 DERMAL LD50 INHALATION LC 50
Polyether polyol mixture No data available No data available No data available
SKIN CORROSION/IRRITATION: No data available
SERIOUS EYE DAMAGE/IRRITATION: No data available
RESPIRATORY OR SKIN SENSITISATION: No data available
GERM CELL MUTAGENICITY: No data available
REPRODUCTIVE TOXICITY: No data available
STOT-SINGLE EXPOSURE: No data available
STOT-REPEATED EXPOSURE: No data available
ASPIRATION HAZARD: No data available
12. ECOLOGICAL INFORMATION
ENVIRONMENTAL DATA: No data available
ECOTOXICOLOGICAL INFORMATION: No specific ecological data are available for this product. Refer to Section 6 for information
regarding accidental release and Section 15 for regulatory reporting information.
BIOACCUMULATION/ACCUMULATION: No data available
DISTRIBUTION: No data available
CHEMICAL FATE INFORMATION: No data available
13. DISPOSAL CONSIDERATIONS
DISPOSAL METHOD: The generation of waste should be avoided or minimized wherever possible. Empty containers or liners may retain some
product residues. This material and its container must be disposed of in a safe way. Dispose of surplus and non-recyclable products via a licensed
waste disposal contractor. Disposal of this product, solutions and any by-products should at all times comply with the requirements of
environmental protections and waste disposal legislation and any regional local authority requirements. Avoid dispersal of spilled material and
runoff and contact with soil, waterways, drains and sewers.
14. TRANSPORT INFORMATION
DOT (DEPARTMENT OF TRANSPORTATION): Not Regulated
AIR (ICAO/IATA): Not Regulated
VESSEL (IMO/IMDG): Not Regulated
Page 3 of 4
TC-850 PART B
15. REGULATORY INFORMATION
UNITED STATES
SARA TITLE III (SUPERFUND AMENDMENTS AND REAUTHORIZ ATION ACT)
311/312 HEALTH HAZARDS: Refer to Section 2 for hazard classification.
313 REPORTABLE INGREDIENTS: This product does not contain any substances subject to the reporting requirements of Section 313 of
Title III of the Superfund Amendments and Reauthorization Act of 1986 and 40 CFR Part 372.
CERCLA (COMPREHENSIVE ENVIRONMENTAL RESPONSE, COMPE NSATION, AND LIABILITY ACT)
CERCLA REGULATORY: This product contains one or more substances regulated as a hazardous substance under the Comprehensive
Environmental Response Compensation and Liability Act (CERCLA) (40 CFR 302).
Chemical Name Wt.% CERCLA RQ
Naphthalene < 0.001 100 lbs.
Ethyl acrylate < 0.00001 1,000
TSCA (TOXIC SUBSTANCE CONTROL ACT)
TSCA REGULATORY: This product does not contain any substances subject to TSCA Section 12(b) export notification.
TSCA STATUS: This product or its components are listed in or exempt from the TSCA inventory requirements.
OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION (OSHA )
29 CFR1910.119---PROCESS SAFETY MANAGEMENT OF HIGHL Y HAZARDOUS CHEMICALS: None of the chemicals in this
product are considered highly hazardous by OSHA.
CALIFORNIA PROPOSITION 65: WARNING: This product can expose you to chemicals including [see table below], which is [are]
known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.
Chemical Name Wt.% Listed
Naphthalene < 0.001 Cancer
Ethyl acrylate < 0.00001 Cancer
OSHA HAZARD COMM. RULE: The contents of the SDS comply with the OSHA Hazard Communication Standard 29 CFR 1910.1200.
CANADA
WHMIS (WORKPLACE HAZARDOUS MATERIALS INFORMATION SY STEM): This product has been classified according to the
hazard criteria of the CPR and the SDS contains all the information required by the CPR.
DOMESTIC SUBSTANCE LIST (INVENTORY): All components in this product are listed in or exempted from the Domestic Substances
List (DSL) or the Non-Domestic Substances List (NDSL).
GENERAL COMMENTS: No data available
16. OTHER INFORMATION
REASON FOR ISSUE: Revision
Date Revised: 02/02/2021
REVISION SUMMARY: This SDS replaces the 12/28/2017 SDS.
HMIS RATING
HEALTH 1
FLAMMABILITY 1
PHYSICAL HAZARD 0
PERSONAL PROTECTION X
NFPA CODES
1
1 0
HMIS RATINGS NOTES: Personal Protection: See Section 8
MANUFACTURER DISCLAIMER: This information is furnished without warranty, expressed or implied, except that is accurate to the best
knowledge of BJB Enterprises, Inc. The data on this sheet relates only to the specific material designated herein. BJB Enterprises, Inc. assumes
no legal responsibility for use or reliance upon this data.
Page 4 of 4
TC-850 PART B
by | Sep 27, 2025
SAFETY DATA SHEET
Date Issued : 10/05/2007
SDS No : TC-821 PART A
Date Revised : 10/05/2021
Revision No : 3
TC-821 PART A
1. PRODUCT AND COMPANY IDENTIFICATION
PRODUCT NAME: TC-821 PART A
GENERAL USE: Polyurethane resin
MANUFACTURER 24 HR. EMERGENCY TELEPHONE NUMBERS
BJB Enterprises, Inc.
14791 Franklin Avenue
Tustin, CA 92780
Emergency Phone: (714) 734-8450
CHEMTREC (USA & Canada): (800) 424-9300
or (703) 527-3887 CCN# 2820
2. HAZARDS IDENTIFICATION
GHS CLASSIFICATIONS
Health:
Acute Toxicity (Inhalation), Category 4
Skin Irritation, Category 2
Eye Irritation, Category 2A
Respiratory Sensitization, Category 1
Skin Sensitization, Category 1
Carcinogenicity, Category 2
Target Organ Toxicity (Single exposure), Category 3
Target Organ Toxicity (Repeated exposure), Category 2
GHS LABEL
Health hazard Exclamation
mark
SIGNAL WORD: DANGER
HAZARD STATEMENTS
H332: Harmful if inhaled.
H315: Causes skin irritation.
H319: Causes serious eye irritation.
H334: May cause allergy or asthma symptoms or breathing difficulties if inhaled.
H317: May cause an allergic skin reaction.
H351: Suspected of causing cancer.
H335: May cause respiratory irritation.
H373: May cause damage to organs through prolonged or repeated exposure.
PRECAUTIONARY STATEMENTS
Prevention:
P201: Obtain special instructions before use.
P202: Do not handle until all safety precautions have been read and understood.
P260: Do not breathe dust/fume/gas/mist/vapours/spray.
P271: Use only outdoors or in a well-ventilated area.
P284: In case of inadequate ventilation wear respiratory protection.
Page 1 of 6
P264: Wash thoroughly after handling.
P272: Contaminated work clothing should not be allowed out of the workplace.
P280: Wear protective gloves/protective clothing/eye protection/face protection.
Response:
P304+P340: IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P342+P311: If experiencing respiratory symptoms: Call a POISON CENTER/doctor/physician.
P302+P352: IF ON SKIN: Wash with plenty of soap and water.
P333+P313: If skin irritation or rash occurs: Get medical advice/attention.
P362+P364: Take off contaminated clothing and wash it before reuse.
P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue
rinsing.
P337+P313: If eye irritation persists: Get medical advice/attention.
P308+P313: IF exposed or concerned: Get medical advice/ attention.
Storage:
P403+P233: Store in a well-ventilated place. Keep container tightly closed.
P405: Store locked up.
Disposal:
P501: Dispose of contents/container in accordance with local/regional/national/international regulations.
3. COMPOSITION / INFORMATION ON INGREDIENTS
Chemical Name Wt.% CAS
4,4′-Diphenylmethane diisocyanate 40 – 70101-68-8
Benzene, 1,1′-methylenebis[4-isocyanato-, homopolymer 10 – 3025686-28-6
1,2-Benzenedicarboxylic acid, di-C9-11-branched alkyl esters, C10-rich 5 – 1068515-49-1
2,6-di-tert-butyl-p-cresol 0.1 – 1128-37-0
4. FIRST AID MEASURES
EYES: Immediately flush with plenty of water. After initial flushing, remove any contact lenses and continue flushing for at least 15 minutes. Get
medical advice/attention.
SKIN: Immediately wash skin with soap and plenty of water. Remove contaminated clothing. Get medical advice/attention if irritation or rash
develops. Wash clothing before reuse.
INGESTION: If swallowed, call a physician immediately. Do not induce vomiting unless directed to do so by medical personnel. Provided the
patient is conscious, wash out mouth with water. Never give anything by mouth to an unconscious person.
INHALATION: Remove to fresh air. If not breathing, if breathing is irregular or if respiratory arrest occurs, provide artificial respiration or
oxygen by trained personnel. Get immediate medical attention.
NOTES TO PHYSICIAN: Symptomatic and supportive therapy as needed. Following severe exposure medical follow-up should be monitored
for at least 48 hours.
5. FIRE FIGHTING MEASURES
EXTINGUISHING MEDIA: Water spray, carbon dioxide, dry chemical, or foam.
HAZARDOUS COMBUSTION PRODUCTS: Carbon monoxide, carbon dioxide, nitrogen oxides, hydrocarbons, and hydrogen cyanide.
FIRE FIGHTING PROCEDURES: Cool fire exposed containers with water spray. Remove containers from the fire area if possible. Do not
release runoff from fire control methods to sewers or waterways.
FIRE FIGHTING EQUIPMENT: Firefighters should wear positive pressure self-contained breathing apparatus (SCBA) and consider use of
unmanned hose holders or monitor nozzles for fighting large fires.
6. ACCIDENTAL RELEASE MEASURES
SPILL AND LEAK PROCEDURES: Evacuate unnecessary personnel from the spill area. Wear necessary personal protective equipment (PPE)
as specified in the SDS or the site emergency response plan. Eliminate all sources of ignition. Ensure adequate ventilation. Dike and contain
Page 2 of 6
TC-821 PART A
spill. Prevent product from entering drains or waterways. Absorb with non-combustible material (such as sand, earth, diatomaceous earth, or
vermiculite) and transfer to a container for disposal according to local/national regulations.
ENVIRONMENTAL PRECAUTIONS
WATER SPILL: Do not discharge into drains, surface waters, or groundwater.
GENERAL PROCEDURES: Refer to section 8 of SDS for personal protection details.
RELEASE NOTES: Composition and extent of any spill should be evaluated against local regulations and reported to the proper agencies, if
necessary.
7. HANDLING AND STORAGE
GENERAL PROCEDURES: Avoid contact with eyes, skin and clothing. Use only with adequate ventilation. Avoid breathing vapor over open
containers. Avoid open container exposure to damp air. Avoid breathing aerosols, mists, and vapors.
HANDLING: Use appropriate personal protective equipment as specified in Section 8. Handle in a well-ventilated area. Handle and use in a
manner consistent with good industrial/manufacturing techniques and practices.
STORAGE: Store in a dry and well-ventilated place, away from excessive heat, in original or similar container. Avoid unnecessary contact.
Protect from freezing. Containers should be tightly sealed to prevent contamination with foreign materials.
STORAGE TEMPERATURE: 65-80 F (18-27 C)
SHELF LIFE: 6 months from date of shipment under manufacturers recommended storage conditions.
8. EXPOSURE CONTROLS / PERSONAL PROTECTION
EXPOSURE GUIDELINES
OSHA HAZARDOUS COMPONENTS (29 CFR1910.1200)
EXPOSURE LIMITS
Chemical Name Type ppmmg/m
3
4,4′-Diphenylmethane diisocyanate
OSHA PEL C 0.02 0.2
ACGIH TLV TWA 0.005 –
NIOSH REL
TWA 0.0050.05
C 0.02
[1]
0.2
[1]
1,2-Benzenedicarboxylic acid, di-C9-11-branched alkyl esters, C10-rich NIOSH REL TWA – –
2,6-di-tert-butyl-p-cresol NIOSH REL TWA – 10
Footnotes:
1. 10-minute
ENGINEERING CONTROLS: Use process enclosures, local exhaust ventilation, or other engineering controls to control airborne levels below
recommended exposure limits.
PERSONAL PROTECTIVE EQUIPMENT
EYES AND FACE: Safety goggles or glasses are recommended. Plastic face shields should be used for complete face protection to protect
against possible splashing or spraying of material. ANSI Z87.1 or approved equivalent.
SKIN: Chemical-resistant gloves and chemical goggles, face-shield, and synthetic apron or coveralls should be used to prevent contact with
eyes, skin, or clothing. Wear nitrile or neoprene gloves. Chemical resistant gloves lined with polyethylene offer maximum protection.
RESPIRATORY: Exhaust ventilation recommended. An organic vapor cartridge or fresh air supplied respirator (NIOSH approved) may be
necessary for certain applications. Consider the type of application, environmental concentrations, and other materials being used concurrently
when determining respirator use and selection. Observe OSHA regulations for respirator use (29 CFR 1910.134).
PROTECTIVE CLOTHING: Protective clothing should be selected and used in accordance with “Guidelines for the Selection of Chemical
Protective Clothing” published by ACGIH.
WORK HYGIENIC PRACTICES: Contaminated clothing should be changed and washed before reuse. Eating, drinking and smoking in
immediate work area should be prohibited. Wash hands before eating.
OTHER USE PRECAUTIONS: Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower.
Training is important. Follow all label precautions.
Page 3 of 6
TC-821 PART A
9. PHYSICAL AND CHEMICAL PROPERTIES
PHYSICAL STATE: Liquid
ODOR: Slight aromatic
COLOR: Yellow
pH: No data available
PERCENT VOLATILE: 0.03
FLASH POINT AND METHOD: 162.8 C (325 F) Pensky-Martens CC
VAPOR PRESSURE: No data available
VAPOR DENSITY: No data available
BOILING POINT: No data available
SOLUBILITY IN WATER: Reacts with water
SPECIFIC GRAVITY: 1.19 (water=1) at 25 C (77 F)
VISCOSITY #1: 60 Centipoise at 25 C (77 F)
(VOC): < 0.4 g/l Calculated. Theoretical VOC minus water and exempt solvents.
10. STABILITY AND REACTIVITY
REACTIVITY: Hazardous reactions will not occur under normal transport or storage conditions.
STABILITY: This product is stable under normal ambient conditions of temperature and pressure.
CONDITIONS TO AVOID: High temperatures, moisture, and freezing conditions.
POSSIBILITY OF HAZARDOUS REACTIONS: Reaction with water produces carbon dioxide. Exothermic reaction with materials containing
active hydrogen groups. The reaction becomes progressively more vigorous and can be violent at higher temperatures if the miscibility of the
reaction partners is good or is supported by stirring or by the presence of solvents. MDI is insoluble with, and heavier than water and sinks to the
bottom but reacts slowly at the interface. A solid water-insoluble layer of polyurea is formed at the interface by liberating carbon dioxide gas.
HAZARDOUS DECOMPOSITION PRODUCTS: Carbon monoxide, carbon dioxide, nitrogen oxides, hydrocarbons, and hydrogen cyanide.
INCOMPATIBLE MATERIALS: Water, amines, acids, bases, and strong oxidizing agents.
11. TOXICOLOGICAL INFORMATION
ACUTE TOXICITY
Chemical Name ORAL LD50 DERMAL LD50 INHALATION LC 50
4,4'-Diphenylmethane diisocyanate
> 2000 mg/kg
Rat
> 9400 mg/kg
Rabbit
2.24 mg/l Rat (1 h,
dust/mist)
Benzene, 1,1′-methylenebis[4-isocyanato-, homopolymer
> 5000 mg/kg
Rat
No data available 0.49 mg/l Rat
1,2-Benzenedicarboxylic acid, di-C9-11-branched alkyl esters, C10-
rich
> 10 g/kg Rat> 3.16 g/kg Rabbit > 0.13 mg/l Rat
2,6-di-tert-butyl-p-cresol
> 2900 mg/kg
Rat
> 2000 mg/kg Rat No data available
SKIN CORROSION/IRRITATION: Causes skin irritation.
SERIOUS EYE DAMAGE/IRRITATION: Causes serious eye irritation.
RESPIRATORY OR SKIN SENSITISATION: May cause sensitization by inhalation and skin contact.
GERM CELL MUTAGENICITY: No data available
CARCINOGENICITY
Page 4 of 6
TC-821 PART A
Chemical Name IARC Status
4,4′-Diphenylmethane diisocyanate 3
2,6-di-tert-butyl-p-cresol 3
REPRODUCTIVE TOXICITY: No data available
STOT-SINGLE EXPOSURE: May cause respiratory irritation.
STOT-REPEATED EXPOSURE: May cause damage to organs through prolonged or repeated exposure.
ASPIRATION HAZARD: No data available
12. ECOLOGICAL INFORMATION
ECOTOXICOLOGICAL INFORMATION: No specific ecological data are available for this product. Refer to Section 6 for information
regarding accidental release and Section 15 for regulatory reporting information.
CHEMICAL FATE INFORMATION: No data available
BIOACCUMULATION/ACCUMULATION: No data available
ENVIRONMENTAL DATA: No data available
DISTRIBUTION: No data available
13. DISPOSAL CONSIDERATIONS
DISPOSAL METHOD: The generation of waste should be avoided or minimized wherever possible. Empty containers or liners may retain some
product residues. This material and its container must be disposed of in a safe way. Dispose of surplus and non-recyclable products via a licensed
waste disposal contractor. Disposal of this product, solutions and any by-products should at all times comply with the requirements of
environmental protections and waste disposal legislation and any regional local authority requirements. Avoid dispersal of spilled material and
runoff and contact with soil, waterways, drains and sewers.
14. TRANSPORT INFORMATION
DOT (DEPARTMENT OF TRANSPORTATION): Not Regulated
AIR (ICAO/IATA): Not Regulated
VESSEL (IMO/IMDG): Not Regulated
15. REGULATORY INFORMATION
UNITED STATES
SARA TITLE III (SUPERFUND AMENDMENTS AND REAUTHORIZ ATION ACT)
311/312 HEALTH HAZARDS: Acute Health Hazard, Chronic Health Hazard
313 REPORTABLE INGREDIENTS: This product contains the following substances subject to the reporting requirements of Section 313
of Title III of the Superfund Amendments and Reauthorization Act of 1986 and 40 CFR Part 372:
EPCRA SECTION 313 SUPPLIER NOTIFICATION
Chemical Name Wt.% CAS Comments
4,4′-Diphenylmethane diisocyanate 40 – 70101-68-8Diisocyanate Compounds (Category Code N120)
CERCLA (COMPREHENSIVE ENVIRONMENTAL RESPONSE, COMPE NSATION, AND LIABILITY ACT)
CERCLA REGULATORY: This product contains one or more substances regulated as a hazardous substance under the Comprehensive
Environmental Response Compensation and Liability Act (CERCLA) (40 CFR 302).
Chemical Name Wt.% CERCLA RQ
4,4′-Diphenylmethane diisocyanate 40 – 70 5,000 lbs.
Naphthalene < 0.001 100 lbs.
TSCA (TOXIC SUBSTANCE CONTROL ACT)
TSCA REGULATORY: This product does not contain any substances subject to TSCA Section 12(b) export notification.
Page 5 of 6
TC-821 PART A
TSCA STATUS: This product or its components are listed in or exempt from the TSCA inventory requirements.
OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION (OSHA )
29 CFR1910.119---PROCESS SAFETY MANAGEMENT OF HIGHL Y HAZARDOUS CHEMICALS: None of the chemicals in this
product are considered highly hazardous by OSHA.
CALIFORNIA PROPOSITION 65: WARNING: This product can expose you to chemicals including [see table below], which is [are]
known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to
www.P65Warnings.ca.gov.
Chemical Name Wt.% Listed
1,2-Benzenedicarboxylic acid, di-C9-11-branched alkyl esters, C10-rich 5 - 10 Developmental Toxicity
Naphthalene < 0.001 Cancer
OSHA HAZARD COMM. RULE: The contents of the SDS comply with the OSHA Hazard Communication Standard 29 CFR 1910.1200.
CANADA
WHMIS (WORKPLACE HAZARDOUS MATERIALS INFORMATION SY STEM): This product has been classified according to the
hazard criteria of the CPR and the SDS contains all the information required by the CPR.
DOMESTIC SUBSTANCE LIST (INVENTORY): All components in this product are listed in or exempted from the Domestic Substances
List (DSL) or the Non-Domestic Substances List (NDSL).
GENERAL COMMENTS:
DIDP RESTRICTIONS: This product contains diisodecyl phthalate (DIDP), CAS# 68515-49-1 EINECS# 271-091-4. In the U.S., there is an
interim prohibition on DIDP above 0.1 percent by weight (one thousand parts per million) in toys intended for children age 12 and under that can
be placed in a child's mouth and child care articles for children age 3 and under [H.R. 4040, The Consumer Safety Improvement Act of 2008]. In
the EU, DIDP shall not be used as substance or as constituents of preparations, at concentrations of greater than 0.1 percent by weight (one
thousand parts per million) of the plasticized material, in toys and child care articles which can be place in the mouth by children. Such toys and
child care articles containing DIDP in concentrations greater than the limit mentioned above shall not be placed on the market [Directive
2005/84/EC].
16. OTHER INFORMATION
REASON FOR ISSUE: Revision
Date Revised: 10/05/2021
REVISION SUMMARY: This SDS replaces the 08/07/2018 SDS.
HMIS RATING
HEALTH * 2
FLAMMABILITY 1
PHYSICAL HAZARD 0
PERSONAL PROTECTION X
NFPA CODES
1
2 0
HMIS RATINGS NOTES: Personal Protection: See Section 8
MANUFACTURER DISCLAIMER: This information is furnished without warranty, expressed or implied, except that is accurate to the best
knowledge of BJB Enterprises, Inc. The data on this sheet relates only to the specific material designated herein. BJB Enterprises, Inc. assumes
no legal responsibility for use or reliance upon this data.
Page 6 of 6
TC-821 PART A
SAFETY DATA SHEET
Date Issued : 10/05/2007
SDS No : TC-821 PART B
Date Revised : 10/05/2021
Revision No : 3
TC-821 PART B
1. PRODUCT AND COMPANY IDENTIFICATION
PRODUCT NAME: TC-821 PART B
GENERAL USE: Polyurethane curative
MANUFACTURER 24 HR. EMERGENCY TELEPHONE NUMBERS
BJB Enterprises, Inc.
14791 Franklin Avenue
Tustin, CA 92780
Emergency Phone: (714) 734-8450
CHEMTREC (USA & Canada): (800) 424-9300
or (703) 527-3887 CCN# 2820
2. HAZARDS IDENTIFICATION
GHS CLASSIFICATIONS
Health:
Eye Irritation, Category 2A
GHS LABEL
Exclamation
mark
SIGNAL WORD: WARNING
HAZARD STATEMENTS
H319: Causes serious eye irritation.
PRECAUTIONARY STATEMENTS
Prevention:
P264: Wash thoroughly after handling.
P280: Wear eye protection/face protection.
Response:
P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue
rinsing.
P337+P313: If eye irritation persists: Get medical advice/attention.
3. COMPOSITION / INFORMATION ON INGREDIENTS
Chemical Name Wt.% CAS
Polyether polyol mixture 60 - 100Proprietary
Hydroxy terminated poly(oxyalkylated) polyol 10 - 30102-60-3
Silicon dioxide 0.5 - 1.57631-86-9
4. FIRST AID MEASURES
EYES: Immediately flush with plenty of water. After initial flushing, remove any contact lenses and continue flushing for at least 15 minutes. Get
medical advice/attention.
Page 1 of 5
SKIN: Immediately wash skin with soap and plenty of water. Remove contaminated clothing. Get medical advice/attention if irritation or rash
develops. Wash clothing before reuse.
INGESTION: If swallowed, call a physician immediately. Do not induce vomiting unless directed to do so by medical personnel. Provided the
patient is conscious, wash out mouth with water. Never give anything by mouth to an unconscious person.
INHALATION: Remove to fresh air. Seek medical advice/attention if breathing becomes difficult or if respiratory irritation develops.
NOTES TO PHYSICIAN: Symptomatic and supportive therapy as needed. Following severe exposure medical follow-up should be monitored
for at least 48 hours.
5. FIRE FIGHTING MEASURES
EXTINGUISHING MEDIA: Water spray, carbon dioxide, dry chemical, or foam.
HAZARDOUS COMBUSTION PRODUCTS: Carbon monoxide and carbon dioxide.
FIRE FIGHTING PROCEDURES: Cool fire exposed containers with water spray. Remove containers from the fire area if possible. Do not
release runoff from fire control methods to sewers or waterways.
FIRE FIGHTING EQUIPMENT: Firefighters should wear positive pressure self-contained breathing apparatus (SCBA) and consider use of
unmanned hose holders or monitor nozzles for fighting large fires.
6. ACCIDENTAL RELEASE MEASURES
SPILL AND LEAK PROCEDURES: Evacuate unnecessary personnel from the spill area. Wear necessary personal protective equipment (PPE)
as specified in the SDS or the site emergency response plan. Eliminate all sources of ignition. Ensure adequate ventilation. Dike and contain
spill. Prevent product from entering drains or waterways. Absorb with non-combustible material (such as sand, earth, diatomaceous earth, or
vermiculite) and transfer to a container for disposal according to local/national regulations.
ENVIRONMENTAL PRECAUTIONS
WATER SPILL: Do not discharge into drains, surface waters, or groundwater.
GENERAL PROCEDURES: Refer to section 8 of SDS for personal protection details.
RELEASE NOTES: Composition and extent of any spill should be evaluated against local regulations and reported to the proper agencies, if
necessary.
7. HANDLING AND STORAGE
GENERAL PROCEDURES: Avoid contact with eyes, skin and clothing. Use only with adequate ventilation. Avoid breathing vapor over open
containers. Avoid open container exposure to damp air. Avoid breathing aerosols, mists, and vapors.
HANDLING: Use appropriate personal protective equipment as specified in Section 8. Handle in a well-ventilated area. Handle and use in a
manner consistent with good industrial/manufacturing techniques and practices.
STORAGE: Store in a dry and well-ventilated place, away from excessive heat, in original or similar container. Avoid unnecessary contact.
Protect from freezing. Containers should be tightly sealed to prevent contamination with foreign materials.
STORAGE TEMPERATURE: 65-80 F (18-27 C)
SHELF LIFE: 6 months from date of shipment under manufacturers recommended storage conditions.
8. EXPOSURE CONTROLS / PERSONAL PROTECTION
EXPOSURE GUIDELINES
OSHA HAZARDOUS COMPONENTS (29 CFR1910.1200)
EXPOSURE LIMITS
Chemical Name Type ppm mg/m
3
Hydroxy terminated poly(oxyalkylated) polyol NIOSH REL TWA - -
Silicon dioxide
OSHA PEL TWA 20 mppcf
[1]
80 %SiO2
[1]
NIOSH REL TWA - 6
Footnotes:
1. Mineral dusts
ENGINEERING CONTROLS: Use process enclosures, local exhaust ventilation, or other engineering controls to control airborne levels below
Page 2 of 5
TC-821 PART B
recommended exposure limits.
PERSONAL PROTECTIVE EQUIPMENT
EYES AND FACE: Safety goggles or glasses are recommended. Plastic face shields should be used for complete face protection to protect
against possible splashing or spraying of material. ANSI Z87.1 or approved equivalent.
SKIN: Chemical-resistant gloves and chemical goggles, face-shield, and synthetic apron or coveralls should be used to prevent contact with
eyes, skin, or clothing. Wear nitrile or neoprene gloves. Chemical resistant gloves lined with polyethylene offer maximum protection.
RESPIRATORY: Exhaust ventilation recommended. An organic vapor cartridge or fresh air supplied respirator (NIOSH approved) may be
necessary for certain applications. Consider the type of application, environmental concentrations, and other materials being used concurrently
when determining respirator use and selection. Observe OSHA regulations for respirator use (29 CFR 1910.134).
PROTECTIVE CLOTHING: Protective clothing should be selected and used in accordance with "Guidelines for the Selection of Chemical
Protective Clothing" published by ACGIH.
WORK HYGIENIC PRACTICES: Contaminated clothing should be changed and washed before reuse. Eating, drinking and smoking in
immediate work area should be prohibited. Wash hands before eating.
OTHER USE PRECAUTIONS: Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower.
Training is important. Follow all label precautions.
9. PHYSICAL AND CHEMICAL PROPERTIES
PHYSICAL STATE: Viscous liquid
ODOR: Odorless
COLOR: Translucent colorless
pH: No data available
PERCENT VOLATILE: 0.09
FLASH POINT AND METHOD: 168.3 C (335 F) Pensky-Martens CC
VAPOR PRESSURE: No data available
VAPOR DENSITY: No data available
BOILING POINT: No data available
SOLUBILITY IN WATER: Partially soluble
SPECIFIC GRAVITY: 1.06 (water=1) at 25 C (77 F)
VISCOSITY #1: 2500 Centipoise at 25 C (77 F)
(VOC): < 1 g/l Calculated. Theoretical VOC minus water and exempt solvents.
10. STABILITY AND REACTIVITY
REACTIVITY: Hazardous reactions will not occur under normal transport or storage conditions.
STABILITY: This product is stable under normal ambient conditions of temperature and pressure.
CONDITIONS TO AVOID: High temperatures, moisture, and freezing conditions.
POSSIBILITY OF HAZARDOUS REACTIONS: No data available
HAZARDOUS DECOMPOSITION PRODUCTS: Carbon monoxide and carbon dioxide.
INCOMPATIBLE MATERIALS: Isocyanates, strong acids, strong bases, and strong oxidizing agents.
11. TOXICOLOGICAL INFORMATION
ACUTE TOXICITY
Chemical Name ORAL LD50 DERMAL LD50 INHALATION LC 50
Polyether polyol mixture No data available No data available No data available
Hydroxy terminated poly(oxyalkylated) polyol 3280 mg/kg Rat> 2000 mg/kg Rabbit No data available
Silicon dioxide > 3300 mg/kg Rat > 5000 mg/kg Rat 0.139 mg/l Rat (4 h)
SKIN CORROSION/IRRITATION: No data available
SERIOUS EYE DAMAGE/IRRITATION: Causes serious eye irritation.
Page 3 of 5
TC-821 PART B
RESPIRATORY OR SKIN SENSITISATION: No data available
GERM CELL MUTAGENICITY: No data available
CARCINOGENICITY
Chemical Name IARC Status
Silicon dioxide 3
REPRODUCTIVE TOXICITY: No data available
STOT-SINGLE EXPOSURE: No data available
STOT-REPEATED EXPOSURE: No data available
ASPIRATION HAZARD: No data available
12. ECOLOGICAL INFORMATION
ECOTOXICOLOGICAL INFORMATION: No specific ecological data are available for this product. Refer to Section 6 for information
regarding accidental release and Section 15 for regulatory reporting information.
CHEMICAL FATE INFORMATION: No data available
BIOACCUMULATION/ACCUMULATION: No data available
ENVIRONMENTAL DATA: No data available
DISTRIBUTION: No data available
13. DISPOSAL CONSIDERATIONS
DISPOSAL METHOD: The generation of waste should be avoided or minimized wherever possible. Empty containers or liners may retain some
product residues. This material and its container must be disposed of in a safe way. Dispose of surplus and non-recyclable products via a licensed
waste disposal contractor. Disposal of this product, solutions and any by-products should at all times comply with the requirements of
environmental protections and waste disposal legislation and any regional local authority requirements. Avoid dispersal of spilled material and
runoff and contact with soil, waterways, drains and sewers.
14. TRANSPORT INFORMATION
DOT (DEPARTMENT OF TRANSPORTATION): Not Regulated
AIR (ICAO/IATA): Not Regulated
VESSEL (IMO/IMDG): Not Regulated
15. REGULATORY INFORMATION
UNITED STATES
SARA TITLE III (SUPERFUND AMENDMENTS AND REAUTHORIZ ATION ACT)
311/312 HEALTH HAZARDS: Acute Health Hazard
313 REPORTABLE INGREDIENTS: This product does not contain any substances subject to the reporting requirements of Section 313 of
Title III of the Superfund Amendments and Reauthorization Act of 1986 and 40 CFR Part 372.
CERCLA (COMPREHENSIVE ENVIRONMENTAL RESPONSE, COMPE NSATION, AND LIABILITY ACT)
CERCLA REGULATORY: This product contains one or more substances regulated as a hazardous substance under the Comprehensive
Environmental Response Compensation and Liability Act (CERCLA) (40 CFR 302).
Chemical Name Wt.% CERCLA RQ
Naphthalene < 0.001 100 lbs.
TSCA (TOXIC SUBSTANCE CONTROL ACT)
TSCA REGULATORY: This product does not contain any substances subject to TSCA Section 12(b) export notification.
TSCA STATUS: This product or its components are listed in or exempt from the TSCA inventory requirements.
OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION (OSHA )
29 CFR1910.119---PROCESS SAFETY MANAGEMENT OF HIGHL Y HAZARDOUS CHEMICALS: None of the chemicals in this
product are considered highly hazardous by OSHA.
Page 4 of 5
TC-821 PART B
CALIFORNIA PROPOSITION 65: WARNING: This product can expose you to chemicals including [see table below], which is [are]
known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.
Chemical Name Wt.% Listed
Naphthalene < 0.001 Cancer
OSHA HAZARD COMM. RULE: The contents of the SDS comply with the OSHA Hazard Communication Standard 29 CFR 1910.1200.
CANADA
WHMIS (WORKPLACE HAZARDOUS MATERIALS INFORMATION SY STEM): This product has been classified according to the
hazard criteria of the CPR and the SDS contains all the information required by the CPR.
DOMESTIC SUBSTANCE LIST (INVENTORY): All components in this product are listed in or exempted from the Domestic Substances
List (DSL) or the Non-Domestic Substances List (NDSL).
16. OTHER INFORMATION
REASON FOR ISSUE: Revision
Date Revised: 10/05/2021
REVISION SUMMARY: This SDS replaces the 08/07/2018 SDS.
HMIS RATING
HEALTH 1
FLAMMABILITY 1
PHYSICAL HAZARD 0
PERSONAL PROTECTION X
NFPA CODES
1
1 0
HMIS RATINGS NOTES: Personal Protection: See Section 8
MANUFACTURER DISCLAIMER: This information is furnished without warranty, expressed or implied, except that is accurate to the best
knowledge of BJB Enterprises, Inc. The data on this sheet relates only to the specific material designated herein. BJB Enterprises, Inc. assumes
no legal responsibility for use or reliance upon this data.
Page 5 of 5
TC-821 PART B
by | Sep 27, 2025
SAFETY DATA SHEET
Date Issued : 10/05/2007
SDS No : TC-821 PART A
Date Revised : 10/05/2021
Revision No : 3
TC-821 PART A
1. PRODUCT AND COMPANY IDENTIFICATION
PRODUCT NAME: TC-821 PART A
GENERAL USE: Polyurethane resin
MANUFACTURER 24 HR. EMERGENCY TELEPHONE NUMBERS
BJB Enterprises, Inc.
14791 Franklin Avenue
Tustin, CA 92780
Emergency Phone: (714) 734-8450
CHEMTREC (USA & Canada): (800) 424-9300
or (703) 527-3887 CCN# 2820
2. HAZARDS IDENTIFICATION
GHS CLASSIFICATIONS
Health:
Acute Toxicity (Inhalation), Category 4
Skin Irritation, Category 2
Eye Irritation, Category 2A
Respiratory Sensitization, Category 1
Skin Sensitization, Category 1
Carcinogenicity, Category 2
Target Organ Toxicity (Single exposure), Category 3
Target Organ Toxicity (Repeated exposure), Category 2
GHS LABEL
Health hazard Exclamation
mark
SIGNAL WORD: DANGER
HAZARD STATEMENTS
H332: Harmful if inhaled.
H315: Causes skin irritation.
H319: Causes serious eye irritation.
H334: May cause allergy or asthma symptoms or breathing difficulties if inhaled.
H317: May cause an allergic skin reaction.
H351: Suspected of causing cancer.
H335: May cause respiratory irritation.
H373: May cause damage to organs through prolonged or repeated exposure.
PRECAUTIONARY STATEMENTS
Prevention:
P201: Obtain special instructions before use.
P202: Do not handle until all safety precautions have been read and understood.
P260: Do not breathe dust/fume/gas/mist/vapours/spray.
P271: Use only outdoors or in a well-ventilated area.
P284: In case of inadequate ventilation wear respiratory protection.
Page 1 of 6
P264: Wash thoroughly after handling.
P272: Contaminated work clothing should not be allowed out of the workplace.
P280: Wear protective gloves/protective clothing/eye protection/face protection.
Response:
P304+P340: IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P342+P311: If experiencing respiratory symptoms: Call a POISON CENTER/doctor/physician.
P302+P352: IF ON SKIN: Wash with plenty of soap and water.
P333+P313: If skin irritation or rash occurs: Get medical advice/attention.
P362+P364: Take off contaminated clothing and wash it before reuse.
P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue
rinsing.
P337+P313: If eye irritation persists: Get medical advice/attention.
P308+P313: IF exposed or concerned: Get medical advice/ attention.
Storage:
P403+P233: Store in a well-ventilated place. Keep container tightly closed.
P405: Store locked up.
Disposal:
P501: Dispose of contents/container in accordance with local/regional/national/international regulations.
3. COMPOSITION / INFORMATION ON INGREDIENTS
Chemical Name Wt.% CAS
4,4′-Diphenylmethane diisocyanate 40 – 70101-68-8
Benzene, 1,1′-methylenebis[4-isocyanato-, homopolymer 10 – 3025686-28-6
1,2-Benzenedicarboxylic acid, di-C9-11-branched alkyl esters, C10-rich 5 – 1068515-49-1
2,6-di-tert-butyl-p-cresol 0.1 – 1128-37-0
4. FIRST AID MEASURES
EYES: Immediately flush with plenty of water. After initial flushing, remove any contact lenses and continue flushing for at least 15 minutes. Get
medical advice/attention.
SKIN: Immediately wash skin with soap and plenty of water. Remove contaminated clothing. Get medical advice/attention if irritation or rash
develops. Wash clothing before reuse.
INGESTION: If swallowed, call a physician immediately. Do not induce vomiting unless directed to do so by medical personnel. Provided the
patient is conscious, wash out mouth with water. Never give anything by mouth to an unconscious person.
INHALATION: Remove to fresh air. If not breathing, if breathing is irregular or if respiratory arrest occurs, provide artificial respiration or
oxygen by trained personnel. Get immediate medical attention.
NOTES TO PHYSICIAN: Symptomatic and supportive therapy as needed. Following severe exposure medical follow-up should be monitored
for at least 48 hours.
5. FIRE FIGHTING MEASURES
EXTINGUISHING MEDIA: Water spray, carbon dioxide, dry chemical, or foam.
HAZARDOUS COMBUSTION PRODUCTS: Carbon monoxide, carbon dioxide, nitrogen oxides, hydrocarbons, and hydrogen cyanide.
FIRE FIGHTING PROCEDURES: Cool fire exposed containers with water spray. Remove containers from the fire area if possible. Do not
release runoff from fire control methods to sewers or waterways.
FIRE FIGHTING EQUIPMENT: Firefighters should wear positive pressure self-contained breathing apparatus (SCBA) and consider use of
unmanned hose holders or monitor nozzles for fighting large fires.
6. ACCIDENTAL RELEASE MEASURES
SPILL AND LEAK PROCEDURES: Evacuate unnecessary personnel from the spill area. Wear necessary personal protective equipment (PPE)
as specified in the SDS or the site emergency response plan. Eliminate all sources of ignition. Ensure adequate ventilation. Dike and contain
Page 2 of 6
TC-821 PART A
spill. Prevent product from entering drains or waterways. Absorb with non-combustible material (such as sand, earth, diatomaceous earth, or
vermiculite) and transfer to a container for disposal according to local/national regulations.
ENVIRONMENTAL PRECAUTIONS
WATER SPILL: Do not discharge into drains, surface waters, or groundwater.
GENERAL PROCEDURES: Refer to section 8 of SDS for personal protection details.
RELEASE NOTES: Composition and extent of any spill should be evaluated against local regulations and reported to the proper agencies, if
necessary.
7. HANDLING AND STORAGE
GENERAL PROCEDURES: Avoid contact with eyes, skin and clothing. Use only with adequate ventilation. Avoid breathing vapor over open
containers. Avoid open container exposure to damp air. Avoid breathing aerosols, mists, and vapors.
HANDLING: Use appropriate personal protective equipment as specified in Section 8. Handle in a well-ventilated area. Handle and use in a
manner consistent with good industrial/manufacturing techniques and practices.
STORAGE: Store in a dry and well-ventilated place, away from excessive heat, in original or similar container. Avoid unnecessary contact.
Protect from freezing. Containers should be tightly sealed to prevent contamination with foreign materials.
STORAGE TEMPERATURE: 65-80 F (18-27 C)
SHELF LIFE: 6 months from date of shipment under manufacturers recommended storage conditions.
8. EXPOSURE CONTROLS / PERSONAL PROTECTION
EXPOSURE GUIDELINES
OSHA HAZARDOUS COMPONENTS (29 CFR1910.1200)
EXPOSURE LIMITS
Chemical Name Type ppmmg/m
3
4,4′-Diphenylmethane diisocyanate
OSHA PEL C 0.02 0.2
ACGIH TLV TWA 0.005 –
NIOSH REL
TWA 0.0050.05
C 0.02
[1]
0.2
[1]
1,2-Benzenedicarboxylic acid, di-C9-11-branched alkyl esters, C10-rich NIOSH REL TWA – –
2,6-di-tert-butyl-p-cresol NIOSH REL TWA – 10
Footnotes:
1. 10-minute
ENGINEERING CONTROLS: Use process enclosures, local exhaust ventilation, or other engineering controls to control airborne levels below
recommended exposure limits.
PERSONAL PROTECTIVE EQUIPMENT
EYES AND FACE: Safety goggles or glasses are recommended. Plastic face shields should be used for complete face protection to protect
against possible splashing or spraying of material. ANSI Z87.1 or approved equivalent.
SKIN: Chemical-resistant gloves and chemical goggles, face-shield, and synthetic apron or coveralls should be used to prevent contact with
eyes, skin, or clothing. Wear nitrile or neoprene gloves. Chemical resistant gloves lined with polyethylene offer maximum protection.
RESPIRATORY: Exhaust ventilation recommended. An organic vapor cartridge or fresh air supplied respirator (NIOSH approved) may be
necessary for certain applications. Consider the type of application, environmental concentrations, and other materials being used concurrently
when determining respirator use and selection. Observe OSHA regulations for respirator use (29 CFR 1910.134).
PROTECTIVE CLOTHING: Protective clothing should be selected and used in accordance with “Guidelines for the Selection of Chemical
Protective Clothing” published by ACGIH.
WORK HYGIENIC PRACTICES: Contaminated clothing should be changed and washed before reuse. Eating, drinking and smoking in
immediate work area should be prohibited. Wash hands before eating.
OTHER USE PRECAUTIONS: Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower.
Training is important. Follow all label precautions.
Page 3 of 6
TC-821 PART A
9. PHYSICAL AND CHEMICAL PROPERTIES
PHYSICAL STATE: Liquid
ODOR: Slight aromatic
COLOR: Yellow
pH: No data available
PERCENT VOLATILE: 0.03
FLASH POINT AND METHOD: 162.8 C (325 F) Pensky-Martens CC
VAPOR PRESSURE: No data available
VAPOR DENSITY: No data available
BOILING POINT: No data available
SOLUBILITY IN WATER: Reacts with water
SPECIFIC GRAVITY: 1.19 (water=1) at 25 C (77 F)
VISCOSITY #1: 60 Centipoise at 25 C (77 F)
(VOC): < 0.4 g/l Calculated. Theoretical VOC minus water and exempt solvents.
10. STABILITY AND REACTIVITY
REACTIVITY: Hazardous reactions will not occur under normal transport or storage conditions.
STABILITY: This product is stable under normal ambient conditions of temperature and pressure.
CONDITIONS TO AVOID: High temperatures, moisture, and freezing conditions.
POSSIBILITY OF HAZARDOUS REACTIONS: Reaction with water produces carbon dioxide. Exothermic reaction with materials containing
active hydrogen groups. The reaction becomes progressively more vigorous and can be violent at higher temperatures if the miscibility of the
reaction partners is good or is supported by stirring or by the presence of solvents. MDI is insoluble with, and heavier than water and sinks to the
bottom but reacts slowly at the interface. A solid water-insoluble layer of polyurea is formed at the interface by liberating carbon dioxide gas.
HAZARDOUS DECOMPOSITION PRODUCTS: Carbon monoxide, carbon dioxide, nitrogen oxides, hydrocarbons, and hydrogen cyanide.
INCOMPATIBLE MATERIALS: Water, amines, acids, bases, and strong oxidizing agents.
11. TOXICOLOGICAL INFORMATION
ACUTE TOXICITY
Chemical Name ORAL LD50 DERMAL LD50 INHALATION LC 50
4,4'-Diphenylmethane diisocyanate
> 2000 mg/kg
Rat
> 9400 mg/kg
Rabbit
2.24 mg/l Rat (1 h,
dust/mist)
Benzene, 1,1′-methylenebis[4-isocyanato-, homopolymer
> 5000 mg/kg
Rat
No data available 0.49 mg/l Rat
1,2-Benzenedicarboxylic acid, di-C9-11-branched alkyl esters, C10-
rich
> 10 g/kg Rat> 3.16 g/kg Rabbit > 0.13 mg/l Rat
2,6-di-tert-butyl-p-cresol
> 2900 mg/kg
Rat
> 2000 mg/kg Rat No data available
SKIN CORROSION/IRRITATION: Causes skin irritation.
SERIOUS EYE DAMAGE/IRRITATION: Causes serious eye irritation.
RESPIRATORY OR SKIN SENSITISATION: May cause sensitization by inhalation and skin contact.
GERM CELL MUTAGENICITY: No data available
CARCINOGENICITY
Page 4 of 6
TC-821 PART A
Chemical Name IARC Status
4,4′-Diphenylmethane diisocyanate 3
2,6-di-tert-butyl-p-cresol 3
REPRODUCTIVE TOXICITY: No data available
STOT-SINGLE EXPOSURE: May cause respiratory irritation.
STOT-REPEATED EXPOSURE: May cause damage to organs through prolonged or repeated exposure.
ASPIRATION HAZARD: No data available
12. ECOLOGICAL INFORMATION
ECOTOXICOLOGICAL INFORMATION: No specific ecological data are available for this product. Refer to Section 6 for information
regarding accidental release and Section 15 for regulatory reporting information.
CHEMICAL FATE INFORMATION: No data available
BIOACCUMULATION/ACCUMULATION: No data available
ENVIRONMENTAL DATA: No data available
DISTRIBUTION: No data available
13. DISPOSAL CONSIDERATIONS
DISPOSAL METHOD: The generation of waste should be avoided or minimized wherever possible. Empty containers or liners may retain some
product residues. This material and its container must be disposed of in a safe way. Dispose of surplus and non-recyclable products via a licensed
waste disposal contractor. Disposal of this product, solutions and any by-products should at all times comply with the requirements of
environmental protections and waste disposal legislation and any regional local authority requirements. Avoid dispersal of spilled material and
runoff and contact with soil, waterways, drains and sewers.
14. TRANSPORT INFORMATION
DOT (DEPARTMENT OF TRANSPORTATION): Not Regulated
AIR (ICAO/IATA): Not Regulated
VESSEL (IMO/IMDG): Not Regulated
15. REGULATORY INFORMATION
UNITED STATES
SARA TITLE III (SUPERFUND AMENDMENTS AND REAUTHORIZ ATION ACT)
311/312 HEALTH HAZARDS: Acute Health Hazard, Chronic Health Hazard
313 REPORTABLE INGREDIENTS: This product contains the following substances subject to the reporting requirements of Section 313
of Title III of the Superfund Amendments and Reauthorization Act of 1986 and 40 CFR Part 372:
EPCRA SECTION 313 SUPPLIER NOTIFICATION
Chemical Name Wt.% CAS Comments
4,4′-Diphenylmethane diisocyanate 40 – 70101-68-8Diisocyanate Compounds (Category Code N120)
CERCLA (COMPREHENSIVE ENVIRONMENTAL RESPONSE, COMPE NSATION, AND LIABILITY ACT)
CERCLA REGULATORY: This product contains one or more substances regulated as a hazardous substance under the Comprehensive
Environmental Response Compensation and Liability Act (CERCLA) (40 CFR 302).
Chemical Name Wt.% CERCLA RQ
4,4′-Diphenylmethane diisocyanate 40 – 70 5,000 lbs.
Naphthalene < 0.001 100 lbs.
TSCA (TOXIC SUBSTANCE CONTROL ACT)
TSCA REGULATORY: This product does not contain any substances subject to TSCA Section 12(b) export notification.
Page 5 of 6
TC-821 PART A
TSCA STATUS: This product or its components are listed in or exempt from the TSCA inventory requirements.
OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION (OSHA )
29 CFR1910.119---PROCESS SAFETY MANAGEMENT OF HIGHL Y HAZARDOUS CHEMICALS: None of the chemicals in this
product are considered highly hazardous by OSHA.
CALIFORNIA PROPOSITION 65: WARNING: This product can expose you to chemicals including [see table below], which is [are]
known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to
www.P65Warnings.ca.gov.
Chemical Name Wt.% Listed
1,2-Benzenedicarboxylic acid, di-C9-11-branched alkyl esters, C10-rich 5 - 10 Developmental Toxicity
Naphthalene < 0.001 Cancer
OSHA HAZARD COMM. RULE: The contents of the SDS comply with the OSHA Hazard Communication Standard 29 CFR 1910.1200.
CANADA
WHMIS (WORKPLACE HAZARDOUS MATERIALS INFORMATION SY STEM): This product has been classified according to the
hazard criteria of the CPR and the SDS contains all the information required by the CPR.
DOMESTIC SUBSTANCE LIST (INVENTORY): All components in this product are listed in or exempted from the Domestic Substances
List (DSL) or the Non-Domestic Substances List (NDSL).
GENERAL COMMENTS:
DIDP RESTRICTIONS: This product contains diisodecyl phthalate (DIDP), CAS# 68515-49-1 EINECS# 271-091-4. In the U.S., there is an
interim prohibition on DIDP above 0.1 percent by weight (one thousand parts per million) in toys intended for children age 12 and under that can
be placed in a child's mouth and child care articles for children age 3 and under [H.R. 4040, The Consumer Safety Improvement Act of 2008]. In
the EU, DIDP shall not be used as substance or as constituents of preparations, at concentrations of greater than 0.1 percent by weight (one
thousand parts per million) of the plasticized material, in toys and child care articles which can be place in the mouth by children. Such toys and
child care articles containing DIDP in concentrations greater than the limit mentioned above shall not be placed on the market [Directive
2005/84/EC].
16. OTHER INFORMATION
REASON FOR ISSUE: Revision
Date Revised: 10/05/2021
REVISION SUMMARY: This SDS replaces the 08/07/2018 SDS.
HMIS RATING
HEALTH * 2
FLAMMABILITY 1
PHYSICAL HAZARD 0
PERSONAL PROTECTION X
NFPA CODES
1
2 0
HMIS RATINGS NOTES: Personal Protection: See Section 8
MANUFACTURER DISCLAIMER: This information is furnished without warranty, expressed or implied, except that is accurate to the best
knowledge of BJB Enterprises, Inc. The data on this sheet relates only to the specific material designated herein. BJB Enterprises, Inc. assumes
no legal responsibility for use or reliance upon this data.
Page 6 of 6
TC-821 PART A
SAFETY DATA SHEET
Date Issued : 10/05/2007
SDS No : TC-821 PART B
Date Revised : 10/05/2021
Revision No : 3
TC-821 PART B
1. PRODUCT AND COMPANY IDENTIFICATION
PRODUCT NAME: TC-821 PART B
GENERAL USE: Polyurethane curative
MANUFACTURER 24 HR. EMERGENCY TELEPHONE NUMBERS
BJB Enterprises, Inc.
14791 Franklin Avenue
Tustin, CA 92780
Emergency Phone: (714) 734-8450
CHEMTREC (USA & Canada): (800) 424-9300
or (703) 527-3887 CCN# 2820
2. HAZARDS IDENTIFICATION
GHS CLASSIFICATIONS
Health:
Eye Irritation, Category 2A
GHS LABEL
Exclamation
mark
SIGNAL WORD: WARNING
HAZARD STATEMENTS
H319: Causes serious eye irritation.
PRECAUTIONARY STATEMENTS
Prevention:
P264: Wash thoroughly after handling.
P280: Wear eye protection/face protection.
Response:
P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue
rinsing.
P337+P313: If eye irritation persists: Get medical advice/attention.
3. COMPOSITION / INFORMATION ON INGREDIENTS
Chemical Name Wt.% CAS
Polyether polyol mixture 60 - 100Proprietary
Hydroxy terminated poly(oxyalkylated) polyol 10 - 30102-60-3
Silicon dioxide 0.5 - 1.57631-86-9
4. FIRST AID MEASURES
EYES: Immediately flush with plenty of water. After initial flushing, remove any contact lenses and continue flushing for at least 15 minutes. Get
medical advice/attention.
Page 1 of 5
SKIN: Immediately wash skin with soap and plenty of water. Remove contaminated clothing. Get medical advice/attention if irritation or rash
develops. Wash clothing before reuse.
INGESTION: If swallowed, call a physician immediately. Do not induce vomiting unless directed to do so by medical personnel. Provided the
patient is conscious, wash out mouth with water. Never give anything by mouth to an unconscious person.
INHALATION: Remove to fresh air. Seek medical advice/attention if breathing becomes difficult or if respiratory irritation develops.
NOTES TO PHYSICIAN: Symptomatic and supportive therapy as needed. Following severe exposure medical follow-up should be monitored
for at least 48 hours.
5. FIRE FIGHTING MEASURES
EXTINGUISHING MEDIA: Water spray, carbon dioxide, dry chemical, or foam.
HAZARDOUS COMBUSTION PRODUCTS: Carbon monoxide and carbon dioxide.
FIRE FIGHTING PROCEDURES: Cool fire exposed containers with water spray. Remove containers from the fire area if possible. Do not
release runoff from fire control methods to sewers or waterways.
FIRE FIGHTING EQUIPMENT: Firefighters should wear positive pressure self-contained breathing apparatus (SCBA) and consider use of
unmanned hose holders or monitor nozzles for fighting large fires.
6. ACCIDENTAL RELEASE MEASURES
SPILL AND LEAK PROCEDURES: Evacuate unnecessary personnel from the spill area. Wear necessary personal protective equipment (PPE)
as specified in the SDS or the site emergency response plan. Eliminate all sources of ignition. Ensure adequate ventilation. Dike and contain
spill. Prevent product from entering drains or waterways. Absorb with non-combustible material (such as sand, earth, diatomaceous earth, or
vermiculite) and transfer to a container for disposal according to local/national regulations.
ENVIRONMENTAL PRECAUTIONS
WATER SPILL: Do not discharge into drains, surface waters, or groundwater.
GENERAL PROCEDURES: Refer to section 8 of SDS for personal protection details.
RELEASE NOTES: Composition and extent of any spill should be evaluated against local regulations and reported to the proper agencies, if
necessary.
7. HANDLING AND STORAGE
GENERAL PROCEDURES: Avoid contact with eyes, skin and clothing. Use only with adequate ventilation. Avoid breathing vapor over open
containers. Avoid open container exposure to damp air. Avoid breathing aerosols, mists, and vapors.
HANDLING: Use appropriate personal protective equipment as specified in Section 8. Handle in a well-ventilated area. Handle and use in a
manner consistent with good industrial/manufacturing techniques and practices.
STORAGE: Store in a dry and well-ventilated place, away from excessive heat, in original or similar container. Avoid unnecessary contact.
Protect from freezing. Containers should be tightly sealed to prevent contamination with foreign materials.
STORAGE TEMPERATURE: 65-80 F (18-27 C)
SHELF LIFE: 6 months from date of shipment under manufacturers recommended storage conditions.
8. EXPOSURE CONTROLS / PERSONAL PROTECTION
EXPOSURE GUIDELINES
OSHA HAZARDOUS COMPONENTS (29 CFR1910.1200)
EXPOSURE LIMITS
Chemical Name Type ppm mg/m
3
Hydroxy terminated poly(oxyalkylated) polyol NIOSH REL TWA - -
Silicon dioxide
OSHA PEL TWA 20 mppcf
[1]
80 %SiO2
[1]
NIOSH REL TWA - 6
Footnotes:
1. Mineral dusts
ENGINEERING CONTROLS: Use process enclosures, local exhaust ventilation, or other engineering controls to control airborne levels below
Page 2 of 5
TC-821 PART B
recommended exposure limits.
PERSONAL PROTECTIVE EQUIPMENT
EYES AND FACE: Safety goggles or glasses are recommended. Plastic face shields should be used for complete face protection to protect
against possible splashing or spraying of material. ANSI Z87.1 or approved equivalent.
SKIN: Chemical-resistant gloves and chemical goggles, face-shield, and synthetic apron or coveralls should be used to prevent contact with
eyes, skin, or clothing. Wear nitrile or neoprene gloves. Chemical resistant gloves lined with polyethylene offer maximum protection.
RESPIRATORY: Exhaust ventilation recommended. An organic vapor cartridge or fresh air supplied respirator (NIOSH approved) may be
necessary for certain applications. Consider the type of application, environmental concentrations, and other materials being used concurrently
when determining respirator use and selection. Observe OSHA regulations for respirator use (29 CFR 1910.134).
PROTECTIVE CLOTHING: Protective clothing should be selected and used in accordance with "Guidelines for the Selection of Chemical
Protective Clothing" published by ACGIH.
WORK HYGIENIC PRACTICES: Contaminated clothing should be changed and washed before reuse. Eating, drinking and smoking in
immediate work area should be prohibited. Wash hands before eating.
OTHER USE PRECAUTIONS: Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower.
Training is important. Follow all label precautions.
9. PHYSICAL AND CHEMICAL PROPERTIES
PHYSICAL STATE: Viscous liquid
ODOR: Odorless
COLOR: Translucent colorless
pH: No data available
PERCENT VOLATILE: 0.09
FLASH POINT AND METHOD: 168.3 C (335 F) Pensky-Martens CC
VAPOR PRESSURE: No data available
VAPOR DENSITY: No data available
BOILING POINT: No data available
SOLUBILITY IN WATER: Partially soluble
SPECIFIC GRAVITY: 1.06 (water=1) at 25 C (77 F)
VISCOSITY #1: 2500 Centipoise at 25 C (77 F)
(VOC): < 1 g/l Calculated. Theoretical VOC minus water and exempt solvents.
10. STABILITY AND REACTIVITY
REACTIVITY: Hazardous reactions will not occur under normal transport or storage conditions.
STABILITY: This product is stable under normal ambient conditions of temperature and pressure.
CONDITIONS TO AVOID: High temperatures, moisture, and freezing conditions.
POSSIBILITY OF HAZARDOUS REACTIONS: No data available
HAZARDOUS DECOMPOSITION PRODUCTS: Carbon monoxide and carbon dioxide.
INCOMPATIBLE MATERIALS: Isocyanates, strong acids, strong bases, and strong oxidizing agents.
11. TOXICOLOGICAL INFORMATION
ACUTE TOXICITY
Chemical Name ORAL LD50 DERMAL LD50 INHALATION LC 50
Polyether polyol mixture No data available No data available No data available
Hydroxy terminated poly(oxyalkylated) polyol 3280 mg/kg Rat> 2000 mg/kg Rabbit No data available
Silicon dioxide > 3300 mg/kg Rat > 5000 mg/kg Rat 0.139 mg/l Rat (4 h)
SKIN CORROSION/IRRITATION: No data available
SERIOUS EYE DAMAGE/IRRITATION: Causes serious eye irritation.
Page 3 of 5
TC-821 PART B
RESPIRATORY OR SKIN SENSITISATION: No data available
GERM CELL MUTAGENICITY: No data available
CARCINOGENICITY
Chemical Name IARC Status
Silicon dioxide 3
REPRODUCTIVE TOXICITY: No data available
STOT-SINGLE EXPOSURE: No data available
STOT-REPEATED EXPOSURE: No data available
ASPIRATION HAZARD: No data available
12. ECOLOGICAL INFORMATION
ECOTOXICOLOGICAL INFORMATION: No specific ecological data are available for this product. Refer to Section 6 for information
regarding accidental release and Section 15 for regulatory reporting information.
CHEMICAL FATE INFORMATION: No data available
BIOACCUMULATION/ACCUMULATION: No data available
ENVIRONMENTAL DATA: No data available
DISTRIBUTION: No data available
13. DISPOSAL CONSIDERATIONS
DISPOSAL METHOD: The generation of waste should be avoided or minimized wherever possible. Empty containers or liners may retain some
product residues. This material and its container must be disposed of in a safe way. Dispose of surplus and non-recyclable products via a licensed
waste disposal contractor. Disposal of this product, solutions and any by-products should at all times comply with the requirements of
environmental protections and waste disposal legislation and any regional local authority requirements. Avoid dispersal of spilled material and
runoff and contact with soil, waterways, drains and sewers.
14. TRANSPORT INFORMATION
DOT (DEPARTMENT OF TRANSPORTATION): Not Regulated
AIR (ICAO/IATA): Not Regulated
VESSEL (IMO/IMDG): Not Regulated
15. REGULATORY INFORMATION
UNITED STATES
SARA TITLE III (SUPERFUND AMENDMENTS AND REAUTHORIZ ATION ACT)
311/312 HEALTH HAZARDS: Acute Health Hazard
313 REPORTABLE INGREDIENTS: This product does not contain any substances subject to the reporting requirements of Section 313 of
Title III of the Superfund Amendments and Reauthorization Act of 1986 and 40 CFR Part 372.
CERCLA (COMPREHENSIVE ENVIRONMENTAL RESPONSE, COMPE NSATION, AND LIABILITY ACT)
CERCLA REGULATORY: This product contains one or more substances regulated as a hazardous substance under the Comprehensive
Environmental Response Compensation and Liability Act (CERCLA) (40 CFR 302).
Chemical Name Wt.% CERCLA RQ
Naphthalene < 0.001 100 lbs.
TSCA (TOXIC SUBSTANCE CONTROL ACT)
TSCA REGULATORY: This product does not contain any substances subject to TSCA Section 12(b) export notification.
TSCA STATUS: This product or its components are listed in or exempt from the TSCA inventory requirements.
OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION (OSHA )
29 CFR1910.119---PROCESS SAFETY MANAGEMENT OF HIGHL Y HAZARDOUS CHEMICALS: None of the chemicals in this
product are considered highly hazardous by OSHA.
Page 4 of 5
TC-821 PART B
CALIFORNIA PROPOSITION 65: WARNING: This product can expose you to chemicals including [see table below], which is [are]
known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.
Chemical Name Wt.% Listed
Naphthalene < 0.001 Cancer
OSHA HAZARD COMM. RULE: The contents of the SDS comply with the OSHA Hazard Communication Standard 29 CFR 1910.1200.
CANADA
WHMIS (WORKPLACE HAZARDOUS MATERIALS INFORMATION SY STEM): This product has been classified according to the
hazard criteria of the CPR and the SDS contains all the information required by the CPR.
DOMESTIC SUBSTANCE LIST (INVENTORY): All components in this product are listed in or exempted from the Domestic Substances
List (DSL) or the Non-Domestic Substances List (NDSL).
16. OTHER INFORMATION
REASON FOR ISSUE: Revision
Date Revised: 10/05/2021
REVISION SUMMARY: This SDS replaces the 08/07/2018 SDS.
HMIS RATING
HEALTH 1
FLAMMABILITY 1
PHYSICAL HAZARD 0
PERSONAL PROTECTION X
NFPA CODES
1
1 0
HMIS RATINGS NOTES: Personal Protection: See Section 8
MANUFACTURER DISCLAIMER: This information is furnished without warranty, expressed or implied, except that is accurate to the best
knowledge of BJB Enterprises, Inc. The data on this sheet relates only to the specific material designated herein. BJB Enterprises, Inc. assumes
no legal responsibility for use or reliance upon this data.
Page 5 of 5
TC-821 PART B
by | Sep 27, 2025
SAFETY DATA SHEET
Date Issued : 10/05/2007
SDS No : TC-821 PART A
Date Revised : 10/05/2021
Revision No : 3
TC-821 PART A
1. PRODUCT AND COMPANY IDENTIFICATION
PRODUCT NAME: TC-821 PART A
GENERAL USE: Polyurethane resin
MANUFACTURER 24 HR. EMERGENCY TELEPHONE NUMBERS
BJB Enterprises, Inc.
14791 Franklin Avenue
Tustin, CA 92780
Emergency Phone: (714) 734-8450
CHEMTREC (USA & Canada): (800) 424-9300
or (703) 527-3887 CCN# 2820
2. HAZARDS IDENTIFICATION
GHS CLASSIFICATIONS
Health:
Acute Toxicity (Inhalation), Category 4
Skin Irritation, Category 2
Eye Irritation, Category 2A
Respiratory Sensitization, Category 1
Skin Sensitization, Category 1
Carcinogenicity, Category 2
Target Organ Toxicity (Single exposure), Category 3
Target Organ Toxicity (Repeated exposure), Category 2
GHS LABEL
Health hazard Exclamation
mark
SIGNAL WORD: DANGER
HAZARD STATEMENTS
H332: Harmful if inhaled.
H315: Causes skin irritation.
H319: Causes serious eye irritation.
H334: May cause allergy or asthma symptoms or breathing difficulties if inhaled.
H317: May cause an allergic skin reaction.
H351: Suspected of causing cancer.
H335: May cause respiratory irritation.
H373: May cause damage to organs through prolonged or repeated exposure.
PRECAUTIONARY STATEMENTS
Prevention:
P201: Obtain special instructions before use.
P202: Do not handle until all safety precautions have been read and understood.
P260: Do not breathe dust/fume/gas/mist/vapours/spray.
P271: Use only outdoors or in a well-ventilated area.
P284: In case of inadequate ventilation wear respiratory protection.
Page 1 of 6
P264: Wash thoroughly after handling.
P272: Contaminated work clothing should not be allowed out of the workplace.
P280: Wear protective gloves/protective clothing/eye protection/face protection.
Response:
P304+P340: IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P342+P311: If experiencing respiratory symptoms: Call a POISON CENTER/doctor/physician.
P302+P352: IF ON SKIN: Wash with plenty of soap and water.
P333+P313: If skin irritation or rash occurs: Get medical advice/attention.
P362+P364: Take off contaminated clothing and wash it before reuse.
P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue
rinsing.
P337+P313: If eye irritation persists: Get medical advice/attention.
P308+P313: IF exposed or concerned: Get medical advice/ attention.
Storage:
P403+P233: Store in a well-ventilated place. Keep container tightly closed.
P405: Store locked up.
Disposal:
P501: Dispose of contents/container in accordance with local/regional/national/international regulations.
3. COMPOSITION / INFORMATION ON INGREDIENTS
Chemical Name Wt.% CAS
4,4′-Diphenylmethane diisocyanate 40 – 70101-68-8
Benzene, 1,1′-methylenebis[4-isocyanato-, homopolymer 10 – 3025686-28-6
1,2-Benzenedicarboxylic acid, di-C9-11-branched alkyl esters, C10-rich 5 – 1068515-49-1
2,6-di-tert-butyl-p-cresol 0.1 – 1128-37-0
4. FIRST AID MEASURES
EYES: Immediately flush with plenty of water. After initial flushing, remove any contact lenses and continue flushing for at least 15 minutes. Get
medical advice/attention.
SKIN: Immediately wash skin with soap and plenty of water. Remove contaminated clothing. Get medical advice/attention if irritation or rash
develops. Wash clothing before reuse.
INGESTION: If swallowed, call a physician immediately. Do not induce vomiting unless directed to do so by medical personnel. Provided the
patient is conscious, wash out mouth with water. Never give anything by mouth to an unconscious person.
INHALATION: Remove to fresh air. If not breathing, if breathing is irregular or if respiratory arrest occurs, provide artificial respiration or
oxygen by trained personnel. Get immediate medical attention.
NOTES TO PHYSICIAN: Symptomatic and supportive therapy as needed. Following severe exposure medical follow-up should be monitored
for at least 48 hours.
5. FIRE FIGHTING MEASURES
EXTINGUISHING MEDIA: Water spray, carbon dioxide, dry chemical, or foam.
HAZARDOUS COMBUSTION PRODUCTS: Carbon monoxide, carbon dioxide, nitrogen oxides, hydrocarbons, and hydrogen cyanide.
FIRE FIGHTING PROCEDURES: Cool fire exposed containers with water spray. Remove containers from the fire area if possible. Do not
release runoff from fire control methods to sewers or waterways.
FIRE FIGHTING EQUIPMENT: Firefighters should wear positive pressure self-contained breathing apparatus (SCBA) and consider use of
unmanned hose holders or monitor nozzles for fighting large fires.
6. ACCIDENTAL RELEASE MEASURES
SPILL AND LEAK PROCEDURES: Evacuate unnecessary personnel from the spill area. Wear necessary personal protective equipment (PPE)
as specified in the SDS or the site emergency response plan. Eliminate all sources of ignition. Ensure adequate ventilation. Dike and contain
Page 2 of 6
TC-821 PART A
spill. Prevent product from entering drains or waterways. Absorb with non-combustible material (such as sand, earth, diatomaceous earth, or
vermiculite) and transfer to a container for disposal according to local/national regulations.
ENVIRONMENTAL PRECAUTIONS
WATER SPILL: Do not discharge into drains, surface waters, or groundwater.
GENERAL PROCEDURES: Refer to section 8 of SDS for personal protection details.
RELEASE NOTES: Composition and extent of any spill should be evaluated against local regulations and reported to the proper agencies, if
necessary.
7. HANDLING AND STORAGE
GENERAL PROCEDURES: Avoid contact with eyes, skin and clothing. Use only with adequate ventilation. Avoid breathing vapor over open
containers. Avoid open container exposure to damp air. Avoid breathing aerosols, mists, and vapors.
HANDLING: Use appropriate personal protective equipment as specified in Section 8. Handle in a well-ventilated area. Handle and use in a
manner consistent with good industrial/manufacturing techniques and practices.
STORAGE: Store in a dry and well-ventilated place, away from excessive heat, in original or similar container. Avoid unnecessary contact.
Protect from freezing. Containers should be tightly sealed to prevent contamination with foreign materials.
STORAGE TEMPERATURE: 65-80 F (18-27 C)
SHELF LIFE: 6 months from date of shipment under manufacturers recommended storage conditions.
8. EXPOSURE CONTROLS / PERSONAL PROTECTION
EXPOSURE GUIDELINES
OSHA HAZARDOUS COMPONENTS (29 CFR1910.1200)
EXPOSURE LIMITS
Chemical Name Type ppmmg/m
3
4,4′-Diphenylmethane diisocyanate
OSHA PEL C 0.02 0.2
ACGIH TLV TWA 0.005 –
NIOSH REL
TWA 0.0050.05
C 0.02
[1]
0.2
[1]
1,2-Benzenedicarboxylic acid, di-C9-11-branched alkyl esters, C10-rich NIOSH REL TWA – –
2,6-di-tert-butyl-p-cresol NIOSH REL TWA – 10
Footnotes:
1. 10-minute
ENGINEERING CONTROLS: Use process enclosures, local exhaust ventilation, or other engineering controls to control airborne levels below
recommended exposure limits.
PERSONAL PROTECTIVE EQUIPMENT
EYES AND FACE: Safety goggles or glasses are recommended. Plastic face shields should be used for complete face protection to protect
against possible splashing or spraying of material. ANSI Z87.1 or approved equivalent.
SKIN: Chemical-resistant gloves and chemical goggles, face-shield, and synthetic apron or coveralls should be used to prevent contact with
eyes, skin, or clothing. Wear nitrile or neoprene gloves. Chemical resistant gloves lined with polyethylene offer maximum protection.
RESPIRATORY: Exhaust ventilation recommended. An organic vapor cartridge or fresh air supplied respirator (NIOSH approved) may be
necessary for certain applications. Consider the type of application, environmental concentrations, and other materials being used concurrently
when determining respirator use and selection. Observe OSHA regulations for respirator use (29 CFR 1910.134).
PROTECTIVE CLOTHING: Protective clothing should be selected and used in accordance with “Guidelines for the Selection of Chemical
Protective Clothing” published by ACGIH.
WORK HYGIENIC PRACTICES: Contaminated clothing should be changed and washed before reuse. Eating, drinking and smoking in
immediate work area should be prohibited. Wash hands before eating.
OTHER USE PRECAUTIONS: Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower.
Training is important. Follow all label precautions.
Page 3 of 6
TC-821 PART A
9. PHYSICAL AND CHEMICAL PROPERTIES
PHYSICAL STATE: Liquid
ODOR: Slight aromatic
COLOR: Yellow
pH: No data available
PERCENT VOLATILE: 0.03
FLASH POINT AND METHOD: 162.8 C (325 F) Pensky-Martens CC
VAPOR PRESSURE: No data available
VAPOR DENSITY: No data available
BOILING POINT: No data available
SOLUBILITY IN WATER: Reacts with water
SPECIFIC GRAVITY: 1.19 (water=1) at 25 C (77 F)
VISCOSITY #1: 60 Centipoise at 25 C (77 F)
(VOC): < 0.4 g/l Calculated. Theoretical VOC minus water and exempt solvents.
10. STABILITY AND REACTIVITY
REACTIVITY: Hazardous reactions will not occur under normal transport or storage conditions.
STABILITY: This product is stable under normal ambient conditions of temperature and pressure.
CONDITIONS TO AVOID: High temperatures, moisture, and freezing conditions.
POSSIBILITY OF HAZARDOUS REACTIONS: Reaction with water produces carbon dioxide. Exothermic reaction with materials containing
active hydrogen groups. The reaction becomes progressively more vigorous and can be violent at higher temperatures if the miscibility of the
reaction partners is good or is supported by stirring or by the presence of solvents. MDI is insoluble with, and heavier than water and sinks to the
bottom but reacts slowly at the interface. A solid water-insoluble layer of polyurea is formed at the interface by liberating carbon dioxide gas.
HAZARDOUS DECOMPOSITION PRODUCTS: Carbon monoxide, carbon dioxide, nitrogen oxides, hydrocarbons, and hydrogen cyanide.
INCOMPATIBLE MATERIALS: Water, amines, acids, bases, and strong oxidizing agents.
11. TOXICOLOGICAL INFORMATION
ACUTE TOXICITY
Chemical Name ORAL LD50 DERMAL LD50 INHALATION LC 50
4,4'-Diphenylmethane diisocyanate
> 2000 mg/kg
Rat
> 9400 mg/kg
Rabbit
2.24 mg/l Rat (1 h,
dust/mist)
Benzene, 1,1′-methylenebis[4-isocyanato-, homopolymer
> 5000 mg/kg
Rat
No data available 0.49 mg/l Rat
1,2-Benzenedicarboxylic acid, di-C9-11-branched alkyl esters, C10-
rich
> 10 g/kg Rat> 3.16 g/kg Rabbit > 0.13 mg/l Rat
2,6-di-tert-butyl-p-cresol
> 2900 mg/kg
Rat
> 2000 mg/kg Rat No data available
SKIN CORROSION/IRRITATION: Causes skin irritation.
SERIOUS EYE DAMAGE/IRRITATION: Causes serious eye irritation.
RESPIRATORY OR SKIN SENSITISATION: May cause sensitization by inhalation and skin contact.
GERM CELL MUTAGENICITY: No data available
CARCINOGENICITY
Page 4 of 6
TC-821 PART A
Chemical Name IARC Status
4,4′-Diphenylmethane diisocyanate 3
2,6-di-tert-butyl-p-cresol 3
REPRODUCTIVE TOXICITY: No data available
STOT-SINGLE EXPOSURE: May cause respiratory irritation.
STOT-REPEATED EXPOSURE: May cause damage to organs through prolonged or repeated exposure.
ASPIRATION HAZARD: No data available
12. ECOLOGICAL INFORMATION
ECOTOXICOLOGICAL INFORMATION: No specific ecological data are available for this product. Refer to Section 6 for information
regarding accidental release and Section 15 for regulatory reporting information.
CHEMICAL FATE INFORMATION: No data available
BIOACCUMULATION/ACCUMULATION: No data available
ENVIRONMENTAL DATA: No data available
DISTRIBUTION: No data available
13. DISPOSAL CONSIDERATIONS
DISPOSAL METHOD: The generation of waste should be avoided or minimized wherever possible. Empty containers or liners may retain some
product residues. This material and its container must be disposed of in a safe way. Dispose of surplus and non-recyclable products via a licensed
waste disposal contractor. Disposal of this product, solutions and any by-products should at all times comply with the requirements of
environmental protections and waste disposal legislation and any regional local authority requirements. Avoid dispersal of spilled material and
runoff and contact with soil, waterways, drains and sewers.
14. TRANSPORT INFORMATION
DOT (DEPARTMENT OF TRANSPORTATION): Not Regulated
AIR (ICAO/IATA): Not Regulated
VESSEL (IMO/IMDG): Not Regulated
15. REGULATORY INFORMATION
UNITED STATES
SARA TITLE III (SUPERFUND AMENDMENTS AND REAUTHORIZ ATION ACT)
311/312 HEALTH HAZARDS: Acute Health Hazard, Chronic Health Hazard
313 REPORTABLE INGREDIENTS: This product contains the following substances subject to the reporting requirements of Section 313
of Title III of the Superfund Amendments and Reauthorization Act of 1986 and 40 CFR Part 372:
EPCRA SECTION 313 SUPPLIER NOTIFICATION
Chemical Name Wt.% CAS Comments
4,4′-Diphenylmethane diisocyanate 40 – 70101-68-8Diisocyanate Compounds (Category Code N120)
CERCLA (COMPREHENSIVE ENVIRONMENTAL RESPONSE, COMPE NSATION, AND LIABILITY ACT)
CERCLA REGULATORY: This product contains one or more substances regulated as a hazardous substance under the Comprehensive
Environmental Response Compensation and Liability Act (CERCLA) (40 CFR 302).
Chemical Name Wt.% CERCLA RQ
4,4′-Diphenylmethane diisocyanate 40 – 70 5,000 lbs.
Naphthalene < 0.001 100 lbs.
TSCA (TOXIC SUBSTANCE CONTROL ACT)
TSCA REGULATORY: This product does not contain any substances subject to TSCA Section 12(b) export notification.
Page 5 of 6
TC-821 PART A
TSCA STATUS: This product or its components are listed in or exempt from the TSCA inventory requirements.
OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION (OSHA )
29 CFR1910.119---PROCESS SAFETY MANAGEMENT OF HIGHL Y HAZARDOUS CHEMICALS: None of the chemicals in this
product are considered highly hazardous by OSHA.
CALIFORNIA PROPOSITION 65: WARNING: This product can expose you to chemicals including [see table below], which is [are]
known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to
www.P65Warnings.ca.gov.
Chemical Name Wt.% Listed
1,2-Benzenedicarboxylic acid, di-C9-11-branched alkyl esters, C10-rich 5 - 10 Developmental Toxicity
Naphthalene < 0.001 Cancer
OSHA HAZARD COMM. RULE: The contents of the SDS comply with the OSHA Hazard Communication Standard 29 CFR 1910.1200.
CANADA
WHMIS (WORKPLACE HAZARDOUS MATERIALS INFORMATION SY STEM): This product has been classified according to the
hazard criteria of the CPR and the SDS contains all the information required by the CPR.
DOMESTIC SUBSTANCE LIST (INVENTORY): All components in this product are listed in or exempted from the Domestic Substances
List (DSL) or the Non-Domestic Substances List (NDSL).
GENERAL COMMENTS:
DIDP RESTRICTIONS: This product contains diisodecyl phthalate (DIDP), CAS# 68515-49-1 EINECS# 271-091-4. In the U.S., there is an
interim prohibition on DIDP above 0.1 percent by weight (one thousand parts per million) in toys intended for children age 12 and under that can
be placed in a child's mouth and child care articles for children age 3 and under [H.R. 4040, The Consumer Safety Improvement Act of 2008]. In
the EU, DIDP shall not be used as substance or as constituents of preparations, at concentrations of greater than 0.1 percent by weight (one
thousand parts per million) of the plasticized material, in toys and child care articles which can be place in the mouth by children. Such toys and
child care articles containing DIDP in concentrations greater than the limit mentioned above shall not be placed on the market [Directive
2005/84/EC].
16. OTHER INFORMATION
REASON FOR ISSUE: Revision
Date Revised: 10/05/2021
REVISION SUMMARY: This SDS replaces the 08/07/2018 SDS.
HMIS RATING
HEALTH * 2
FLAMMABILITY 1
PHYSICAL HAZARD 0
PERSONAL PROTECTION X
NFPA CODES
1
2 0
HMIS RATINGS NOTES: Personal Protection: See Section 8
MANUFACTURER DISCLAIMER: This information is furnished without warranty, expressed or implied, except that is accurate to the best
knowledge of BJB Enterprises, Inc. The data on this sheet relates only to the specific material designated herein. BJB Enterprises, Inc. assumes
no legal responsibility for use or reliance upon this data.
Page 6 of 6
TC-821 PART A
SAFETY DATA SHEET
Date Issued : 10/05/2007
SDS No : TC-821 PART B
Date Revised : 10/05/2021
Revision No : 3
TC-821 PART B
1. PRODUCT AND COMPANY IDENTIFICATION
PRODUCT NAME: TC-821 PART B
GENERAL USE: Polyurethane curative
MANUFACTURER 24 HR. EMERGENCY TELEPHONE NUMBERS
BJB Enterprises, Inc.
14791 Franklin Avenue
Tustin, CA 92780
Emergency Phone: (714) 734-8450
CHEMTREC (USA & Canada): (800) 424-9300
or (703) 527-3887 CCN# 2820
2. HAZARDS IDENTIFICATION
GHS CLASSIFICATIONS
Health:
Eye Irritation, Category 2A
GHS LABEL
Exclamation
mark
SIGNAL WORD: WARNING
HAZARD STATEMENTS
H319: Causes serious eye irritation.
PRECAUTIONARY STATEMENTS
Prevention:
P264: Wash thoroughly after handling.
P280: Wear eye protection/face protection.
Response:
P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue
rinsing.
P337+P313: If eye irritation persists: Get medical advice/attention.
3. COMPOSITION / INFORMATION ON INGREDIENTS
Chemical Name Wt.% CAS
Polyether polyol mixture 60 - 100Proprietary
Hydroxy terminated poly(oxyalkylated) polyol 10 - 30102-60-3
Silicon dioxide 0.5 - 1.57631-86-9
4. FIRST AID MEASURES
EYES: Immediately flush with plenty of water. After initial flushing, remove any contact lenses and continue flushing for at least 15 minutes. Get
medical advice/attention.
Page 1 of 5
SKIN: Immediately wash skin with soap and plenty of water. Remove contaminated clothing. Get medical advice/attention if irritation or rash
develops. Wash clothing before reuse.
INGESTION: If swallowed, call a physician immediately. Do not induce vomiting unless directed to do so by medical personnel. Provided the
patient is conscious, wash out mouth with water. Never give anything by mouth to an unconscious person.
INHALATION: Remove to fresh air. Seek medical advice/attention if breathing becomes difficult or if respiratory irritation develops.
NOTES TO PHYSICIAN: Symptomatic and supportive therapy as needed. Following severe exposure medical follow-up should be monitored
for at least 48 hours.
5. FIRE FIGHTING MEASURES
EXTINGUISHING MEDIA: Water spray, carbon dioxide, dry chemical, or foam.
HAZARDOUS COMBUSTION PRODUCTS: Carbon monoxide and carbon dioxide.
FIRE FIGHTING PROCEDURES: Cool fire exposed containers with water spray. Remove containers from the fire area if possible. Do not
release runoff from fire control methods to sewers or waterways.
FIRE FIGHTING EQUIPMENT: Firefighters should wear positive pressure self-contained breathing apparatus (SCBA) and consider use of
unmanned hose holders or monitor nozzles for fighting large fires.
6. ACCIDENTAL RELEASE MEASURES
SPILL AND LEAK PROCEDURES: Evacuate unnecessary personnel from the spill area. Wear necessary personal protective equipment (PPE)
as specified in the SDS or the site emergency response plan. Eliminate all sources of ignition. Ensure adequate ventilation. Dike and contain
spill. Prevent product from entering drains or waterways. Absorb with non-combustible material (such as sand, earth, diatomaceous earth, or
vermiculite) and transfer to a container for disposal according to local/national regulations.
ENVIRONMENTAL PRECAUTIONS
WATER SPILL: Do not discharge into drains, surface waters, or groundwater.
GENERAL PROCEDURES: Refer to section 8 of SDS for personal protection details.
RELEASE NOTES: Composition and extent of any spill should be evaluated against local regulations and reported to the proper agencies, if
necessary.
7. HANDLING AND STORAGE
GENERAL PROCEDURES: Avoid contact with eyes, skin and clothing. Use only with adequate ventilation. Avoid breathing vapor over open
containers. Avoid open container exposure to damp air. Avoid breathing aerosols, mists, and vapors.
HANDLING: Use appropriate personal protective equipment as specified in Section 8. Handle in a well-ventilated area. Handle and use in a
manner consistent with good industrial/manufacturing techniques and practices.
STORAGE: Store in a dry and well-ventilated place, away from excessive heat, in original or similar container. Avoid unnecessary contact.
Protect from freezing. Containers should be tightly sealed to prevent contamination with foreign materials.
STORAGE TEMPERATURE: 65-80 F (18-27 C)
SHELF LIFE: 6 months from date of shipment under manufacturers recommended storage conditions.
8. EXPOSURE CONTROLS / PERSONAL PROTECTION
EXPOSURE GUIDELINES
OSHA HAZARDOUS COMPONENTS (29 CFR1910.1200)
EXPOSURE LIMITS
Chemical Name Type ppm mg/m
3
Hydroxy terminated poly(oxyalkylated) polyol NIOSH REL TWA - -
Silicon dioxide
OSHA PEL TWA 20 mppcf
[1]
80 %SiO2
[1]
NIOSH REL TWA - 6
Footnotes:
1. Mineral dusts
ENGINEERING CONTROLS: Use process enclosures, local exhaust ventilation, or other engineering controls to control airborne levels below
Page 2 of 5
TC-821 PART B
recommended exposure limits.
PERSONAL PROTECTIVE EQUIPMENT
EYES AND FACE: Safety goggles or glasses are recommended. Plastic face shields should be used for complete face protection to protect
against possible splashing or spraying of material. ANSI Z87.1 or approved equivalent.
SKIN: Chemical-resistant gloves and chemical goggles, face-shield, and synthetic apron or coveralls should be used to prevent contact with
eyes, skin, or clothing. Wear nitrile or neoprene gloves. Chemical resistant gloves lined with polyethylene offer maximum protection.
RESPIRATORY: Exhaust ventilation recommended. An organic vapor cartridge or fresh air supplied respirator (NIOSH approved) may be
necessary for certain applications. Consider the type of application, environmental concentrations, and other materials being used concurrently
when determining respirator use and selection. Observe OSHA regulations for respirator use (29 CFR 1910.134).
PROTECTIVE CLOTHING: Protective clothing should be selected and used in accordance with "Guidelines for the Selection of Chemical
Protective Clothing" published by ACGIH.
WORK HYGIENIC PRACTICES: Contaminated clothing should be changed and washed before reuse. Eating, drinking and smoking in
immediate work area should be prohibited. Wash hands before eating.
OTHER USE PRECAUTIONS: Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower.
Training is important. Follow all label precautions.
9. PHYSICAL AND CHEMICAL PROPERTIES
PHYSICAL STATE: Viscous liquid
ODOR: Odorless
COLOR: Translucent colorless
pH: No data available
PERCENT VOLATILE: 0.09
FLASH POINT AND METHOD: 168.3 C (335 F) Pensky-Martens CC
VAPOR PRESSURE: No data available
VAPOR DENSITY: No data available
BOILING POINT: No data available
SOLUBILITY IN WATER: Partially soluble
SPECIFIC GRAVITY: 1.06 (water=1) at 25 C (77 F)
VISCOSITY #1: 2500 Centipoise at 25 C (77 F)
(VOC): < 1 g/l Calculated. Theoretical VOC minus water and exempt solvents.
10. STABILITY AND REACTIVITY
REACTIVITY: Hazardous reactions will not occur under normal transport or storage conditions.
STABILITY: This product is stable under normal ambient conditions of temperature and pressure.
CONDITIONS TO AVOID: High temperatures, moisture, and freezing conditions.
POSSIBILITY OF HAZARDOUS REACTIONS: No data available
HAZARDOUS DECOMPOSITION PRODUCTS: Carbon monoxide and carbon dioxide.
INCOMPATIBLE MATERIALS: Isocyanates, strong acids, strong bases, and strong oxidizing agents.
11. TOXICOLOGICAL INFORMATION
ACUTE TOXICITY
Chemical Name ORAL LD50 DERMAL LD50 INHALATION LC 50
Polyether polyol mixture No data available No data available No data available
Hydroxy terminated poly(oxyalkylated) polyol 3280 mg/kg Rat> 2000 mg/kg Rabbit No data available
Silicon dioxide > 3300 mg/kg Rat > 5000 mg/kg Rat 0.139 mg/l Rat (4 h)
SKIN CORROSION/IRRITATION: No data available
SERIOUS EYE DAMAGE/IRRITATION: Causes serious eye irritation.
Page 3 of 5
TC-821 PART B
RESPIRATORY OR SKIN SENSITISATION: No data available
GERM CELL MUTAGENICITY: No data available
CARCINOGENICITY
Chemical Name IARC Status
Silicon dioxide 3
REPRODUCTIVE TOXICITY: No data available
STOT-SINGLE EXPOSURE: No data available
STOT-REPEATED EXPOSURE: No data available
ASPIRATION HAZARD: No data available
12. ECOLOGICAL INFORMATION
ECOTOXICOLOGICAL INFORMATION: No specific ecological data are available for this product. Refer to Section 6 for information
regarding accidental release and Section 15 for regulatory reporting information.
CHEMICAL FATE INFORMATION: No data available
BIOACCUMULATION/ACCUMULATION: No data available
ENVIRONMENTAL DATA: No data available
DISTRIBUTION: No data available
13. DISPOSAL CONSIDERATIONS
DISPOSAL METHOD: The generation of waste should be avoided or minimized wherever possible. Empty containers or liners may retain some
product residues. This material and its container must be disposed of in a safe way. Dispose of surplus and non-recyclable products via a licensed
waste disposal contractor. Disposal of this product, solutions and any by-products should at all times comply with the requirements of
environmental protections and waste disposal legislation and any regional local authority requirements. Avoid dispersal of spilled material and
runoff and contact with soil, waterways, drains and sewers.
14. TRANSPORT INFORMATION
DOT (DEPARTMENT OF TRANSPORTATION): Not Regulated
AIR (ICAO/IATA): Not Regulated
VESSEL (IMO/IMDG): Not Regulated
15. REGULATORY INFORMATION
UNITED STATES
SARA TITLE III (SUPERFUND AMENDMENTS AND REAUTHORIZ ATION ACT)
311/312 HEALTH HAZARDS: Acute Health Hazard
313 REPORTABLE INGREDIENTS: This product does not contain any substances subject to the reporting requirements of Section 313 of
Title III of the Superfund Amendments and Reauthorization Act of 1986 and 40 CFR Part 372.
CERCLA (COMPREHENSIVE ENVIRONMENTAL RESPONSE, COMPE NSATION, AND LIABILITY ACT)
CERCLA REGULATORY: This product contains one or more substances regulated as a hazardous substance under the Comprehensive
Environmental Response Compensation and Liability Act (CERCLA) (40 CFR 302).
Chemical Name Wt.% CERCLA RQ
Naphthalene < 0.001 100 lbs.
TSCA (TOXIC SUBSTANCE CONTROL ACT)
TSCA REGULATORY: This product does not contain any substances subject to TSCA Section 12(b) export notification.
TSCA STATUS: This product or its components are listed in or exempt from the TSCA inventory requirements.
OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION (OSHA )
29 CFR1910.119---PROCESS SAFETY MANAGEMENT OF HIGHL Y HAZARDOUS CHEMICALS: None of the chemicals in this
product are considered highly hazardous by OSHA.
Page 4 of 5
TC-821 PART B
CALIFORNIA PROPOSITION 65: WARNING: This product can expose you to chemicals including [see table below], which is [are]
known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.
Chemical Name Wt.% Listed
Naphthalene < 0.001 Cancer
OSHA HAZARD COMM. RULE: The contents of the SDS comply with the OSHA Hazard Communication Standard 29 CFR 1910.1200.
CANADA
WHMIS (WORKPLACE HAZARDOUS MATERIALS INFORMATION SY STEM): This product has been classified according to the
hazard criteria of the CPR and the SDS contains all the information required by the CPR.
DOMESTIC SUBSTANCE LIST (INVENTORY): All components in this product are listed in or exempted from the Domestic Substances
List (DSL) or the Non-Domestic Substances List (NDSL).
16. OTHER INFORMATION
REASON FOR ISSUE: Revision
Date Revised: 10/05/2021
REVISION SUMMARY: This SDS replaces the 08/07/2018 SDS.
HMIS RATING
HEALTH 1
FLAMMABILITY 1
PHYSICAL HAZARD 0
PERSONAL PROTECTION X
NFPA CODES
1
1 0
HMIS RATINGS NOTES: Personal Protection: See Section 8
MANUFACTURER DISCLAIMER: This information is furnished without warranty, expressed or implied, except that is accurate to the best
knowledge of BJB Enterprises, Inc. The data on this sheet relates only to the specific material designated herein. BJB Enterprises, Inc. assumes
no legal responsibility for use or reliance upon this data.
Page 5 of 5
TC-821 PART B
by | Sep 27, 2025
SAFETY DATA SHEET
Date issued : 01/11/2023
SDS number : TC-812 REV 1 PART A
TC-812 REV 1 PART A
1. Identification
Product identifier: TC-812 REV 1 PART A
Relevant identified uses: Polyurethane resin
Manufacturer / Supplier Emergency telephone number (24 hour)
BJB Enterprises, Inc.
14791 Franklin Avenue
Tustin, CA 92780
Emergency Phone: (714) 734-8450
CHEMTREC (USA & Canada): (800) 424-9300
or (703) 527-3887 CCN# 2820
2. Hazard identification
Classification of the substance or mixture
Health hazards:
Acute Toxicity (Inhalation), Category 4
Skin Irritation, Category 2
Eye Irritation, Category 2A
Respiratory Sensitization, Category 1
Skin Irritation, Category 1B
Carcinogenicity, Category 2
Target Organ Toxicity (Single exposure), Category 3
Target Organ Toxicity (Repeated exposure), Category 2
Label elements
Health hazard Exclamation
mark
Signal word: DANGER
Hazard statement(s)
H332: Harmful if inhaled.
H315: Causes skin irritation.
H334: May cause allergy or asthma symptoms or breathing difficulties if inhaled.
H317: May cause an allergic skin reaction.
H320: Causes eye irritation.
H351: Suspected of causing cancer.
H335: May cause respiratory irritation.
H373: May cause damage to organs through prolonged or repeated exposure.
Precautionary statement(s)
Prevention:
P201: Obtain special instructions before use.
P202: Do not handle until all safety precautions have been read and understood.
P260: Do not breathe dust/fume/gas/mist/vapours/spray.
P264: Wash thoroughly after handling.
P271: Use only outdoors or in a well-ventilated area.
P272: Contaminated work clothing should not be allowed out of the workplace.
Page 1 of 6
P273: Avoid release to the environment.
P280: Wear protective gloves/protective clothing/eye protection/face protection.
P284: In case of inadequate ventilation wear respiratory protection.
Response:
P302+P352: IF ON SKIN: Wash with plenty of soap and water.
P304+P340: IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue
rinsing.
P308+P313: IF exposed or concerned: Get medical advice/ attention.
P333+P313: If skin irritation or rash occurs: Get medical advice/attention.
P337+P313: If eye irritation persists: Get medical advice/attention.
P342+P311: If experiencing respiratory symptoms: Call a POISON CENTER/doctor/physician.
P362+P364: Take off contaminated clothing and wash it before reuse.
P370+P378: In case of fire: Use water spray, carbon dioxide, dry chemical, or foam for extinction.
Storage:
P403+P233: Store in a well-ventilated place. Keep container tightly closed.
P405: Store locked up.
Disposal:
P501: Dispose of contents/container in accordance with local/regional/national/international regulations.
3. Composition/information on ingredients
Chemical name % w/wCAS No.
4,4′-Diphenylmethane diisocyanate 40 – 70101-68-8
Modified MDI 10 – 30Proprietary
4. First-aid measures
Eye: Immediately flush with plenty of water. After initial flushing, remove any contact lenses and continue flushing for at least 15 minutes. Get
medical advice/attention.
Skin: Immediately wash skin with soap and plenty of water. Remove contaminated clothing. Get medical advice/attention if irritation or rash
develops. Wash clothing before reuse.
Ingestion: If swallowed, call a physician immediately. Do not induce vomiting unless directed to do so by medical personnel. Provided the patient
is conscious, wash out mouth with water. Never give anything by mouth to an unconscious person.
Inhalation: Remove to fresh air. If not breathing, if breathing is irregular or if respiratory arrest occurs, provide artificial respiration or oxygen by
trained personnel. Get immediate medical attention.
Indication of immediate medical attention and special treatment needed, if necessary: Symptomatic and supportive therapy as needed.
Following severe exposure medical follow-up should be monitored for at least 48 hours.
5. Fire-fighting measures
Suitable extinguishing media: Water spray, carbon dioxide, dry chemical, or foam.
Hazardous combustion products: Carbon monoxide, carbon dioxide, nitrogen oxides, hydrocarbons, and hydrogen cyanide.
Fire fighting procedures: Cool fire exposed containers with water spray. Remove containers from the fire area if possible. Do not release runoff
from fire control methods to sewers or waterways.
Fire fighting equipment: Firefighters should wear positive pressure self-contained breathing apparatus (SCBA) and consider use of unmanned
hose holders or monitor nozzles for fighting large fires.
6. Accidental release measures
Small spill: Evacuate unnecessary personnel from the spill area. Wear necessary personal protective equipment (PPE) as specified in the SDS or
the site emergency response plan. Eliminate all sources of ignition. Ensure adequate ventilation. Dike and contain spill. Prevent product from
entering drains or waterways. Absorb with non-combustible material (such as sand, earth, diatomaceous earth, or vermiculite) and transfer to a
container for disposal according to local/national regulations.
Environmental precautions
Page 2 of 6
TC-812 REV 1 PART A
Water spill: Do not discharge into drains, surface waters, or groundwater.
General procedures: Refer to section 8 of SDS for personal protection details.
Release notes: Composition and extent of any spill should be evaluated against local regulations and reported to the proper agencies, if necessary.
7. Handling and storage
General procedures: Avoid contact with eyes, skin and clothing. Use only with adequate ventilation. Avoid breathing vapor over open containers.
Avoid open container exposure to damp air. Avoid breathing aerosols, mists, and vapors.
Precautions for safe handling: Avoid contact with eyes, skin, and clothing. Use only with adequate ventilation. Do not breathe vapors, mists, or
dust. Use appropriate personal protective equipment (PPE) as specified in Section 8. Use in a well-ventilated area. Handle and use in a manner
consistent with good industrial/manufacturing techniques and practices.
Conditions for safe storage: Store in a cool, dry place, away from excessive heat, in original or similar container. Avoid unnecessary contact.
Protect from freezing. Containers should be tightly sealed to prevent contamination with foreign materials. Do not reseal container if moisture or
water contamination is suspected. Water contaminated material in a sealed container may rupture due to pressure buildup.
Storage temperature: 65-80 F (18-27 C)
Shelf life: 6 months from date of shipment under manufacturers recommended storage conditions.
8. Exposure controls/personal protection
Exposure controls
Control parameters
Occupational exposure limit values
Chemical name Type ppm mg/m
3
4,4′-Diphenylmethane diisocyanate
OSHA PEL C 0.02 0.2
ACGIH TLV TWA 0.005 –
NIOSH REL
TWA 0.005 0.05
C 0.02
[1]
0.2
[1]
Footnotes:
1. 10-minute
Appropriate engineering controls: Use process enclosures, local exhaust ventilation, or other engineering controls to control airborne levels
below recommended exposure limits.
Individual protection measures, such as personal protective equipment
Eye / face protection: Safety goggles or glasses are recommended. Plastic face shields should be used for complete face protection to protect
against possible splashing or spraying of material. ANSI Z87.1 or approved equivalent.
Skin protection – hand protection: Chemical-resistant gloves and chemical goggles, face-shield, and synthetic apron or coveralls should be
used to prevent contact with eyes, skin, or clothing. Wear nitrile or neoprene gloves. Chemical resistant gloves lined with polyethylene offer
maximum protection.
Respiratory protection: Exhaust ventilation recommended. An organic vapor cartridge or fresh air supplied respirator (NIOSH approved) may
be necessary for certain applications. Consider the type of application, environmental concentrations, and other materials being used
concurrently when determining respirator use and selection. Observe OSHA regulations for respirator use (29 CFR 1910.134).
Skin protection – other: Protective clothing should be selected and used in accordance with “Guidelines for the Selection of Chemical
Protective Clothing” published by ACGIH.
Occupational hygiene practices: Contaminated clothing should be changed and washed before reuse. Eating, drinking and smoking in immediate
work area should be prohibited. Wash hands before eating.
Other use precautions: Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Training is
important. Follow all label precautions.
9. Physical and chemical properties
Physical state: Liquid
Color: Yellow
Page 3 of 6
TC-812 REV 1 PART A
Odor: Slight aromatic
pH: No data available
Freezing point: No data available
Initial boiling point and boiling range: No data available
Flash point: > 200 C (392 F) Closed Cup
Vapor pressure: No data available
Relative vapor density: No data available
Relative density: 1.22 (water=1) at 25 C (77 F)
Solubility: Reacts slowly with water
Dynamic viscosity: 50 Centipoise at 25 C (77 F)
10. Stability and reactivity
Reactivity: Hazardous reactions will not occur under normal transport or storage conditions.
Chemical stability: This product is stable under normal ambient conditions of temperature and pressure.
Conditions to avoid: High temperatures, moisture, and freezing conditions.
Possibility of hazardous reactions: Reaction with water produces carbon dioxide. Exothermic reaction with materials containing active hydrogen
groups. The reaction becomes progressively more vigorous and can be violent at higher temperatures if the miscibility of the reaction partners is
good or is supported by stirring or by the presence of solvents. MDI is insoluble with, and heavier than water and sinks to the bottom but reacts
slowly at the interface. A solid water-insoluble layer of polyurea is formed at the interface by liberating carbon dioxide gas.
Hazardous decomposition products: Carbon monoxide, carbon dioxide, nitrogen oxides, hydrocarbons, and hydrogen cyanide.
Incompatible materials: Water, alcohols, amines, bases, and acids.
11. Toxicological information
Acute toxicity
Chemical name LD50 (oral) mg/kg(rat) LD50 (dermal) mg/kg(rabbit) LC50 (inhalation) mg/l
4,4′-Diphenylmethane diisocyanate> 2000 mg/kg Rat > 9400 mg/kg Rabbit 2.24 mg/l Rat (1 h, dust/mist)
Modified MDI Not Established Not Established Not Established
Skin corrosion / irritation: Causes skin irritation.
Serious eye damage / irritation: Causes serious eye irritation.
Respiratory or skin sensitization: May cause sensitization by inhalation and skin contact.
Germ cell mutagenicity: No data available
Carcinogenicity
Chemical name IARC
4,4′-Diphenylmethane diisocyanate 3
Specific Target Organ Toxicity – single exposure: May cause respiratory irritation.
Specific Target Organ Toxicity – repeated exposure: Causes damage to organs through prolonged or repeated exposure.
Aspiration hazard: No data available
12. Ecological information
Ecotoxicological information: No specific ecological data are available for this product. Refer to Section 6 for information regarding accidental
release and Section 15 for regulatory reporting information.
Persistence and degradability: No data available
Bioaccumulative potential: No data available
Other adverse effects: This product may cause risk of hazardous effects to the environment.
Mobility in soil: No data available
Page 4 of 6
TC-812 REV 1 PART A
13. Disposal considerations
Disposal methods: The generation of waste should be avoided or minimized wherever possible. Empty containers or liners may retain some
product residues. This material and its container must be disposed of in a safe way. Dispose of surplus and non-recyclable products via a licensed
waste disposal contractor. Disposal of this product, solutions and any by-products should at all times comply with the requirements of
environmental protections and waste disposal legislation and any regional local authority requirements. Avoid dispersal of spilled material and
runoff and contact with soil, waterways, drains and sewers.
Empty container: Empty containers may contain residue and can be dangerous. Do not attempt to refill or clean containers without proper
instructions. Empty drums should be completely drained and safely stored until appropriately reconditioned or disposed. DO NOT
PRESSURIZE, CUT, WELD, BRAZE, SOLDER, DRILL, GRIND, OR EXPOSE SUCH CONTAINERS TO HEAT, FLAME, SPARKS,
STATIC ELECTRICITY, OR OTHER SOURCES OF IGNITION. T HEY MAY EXPLODE AND CAUSE INJURY OR DEATH.
14. Transport information
USA Department of Transport Regulations (DOT): Not Regulated
ICAO / IATA – air: Not Regulated
IMO / IMDG – sea: Not Regulated
15. Regulatory information
UNITED STATES
SARA Section 311/312 Hazard Categories
311/312 Health hazards: Refer to Section 2 for hazard classification.
313 reportable ingredients: This product contains the following substances subject to the reporting requirements of Section 313 of Title III
of the Superfund Amendments and Reauthorization Act of 1986 and 40 CFR Part 372:
EPCRA Section 313 Toxic Chemicals
Chemical name % w/wCAS No. Comments
4,4′-Diphenylmethane diisocyanate 40 – 70101-68-8Diisocyanate Compounds (Category Code N120)
CERCLA regulatory: This product contains one or more substances regulated as a hazardous substance under the Comprehensive
Environmental Response Compensation and Liability Act (CERCLA) (40 CFR 302).
CERCLA Hazardous Substances and Reportable Quantities (RQ)
Chemical name % w/w CERCLA rq
4,4′-Diphenylmethane diisocyanate 40 – 70 5,000 lbs.
TSCA (The Toxic Substances Control Act)
TSCA regulatory: This product does not contain any substances subject to TSCA Section 12(b) export notification.
TSCA Status: This product or its components are listed in or exempt from the TSCA inventory requirements.
Occupational safety and health administration (osha)
29 cfr1910.119—process safety management of highly hazardous chemicals: None of the chemicals in this product are considered highly
hazardous by OSHA.
California Proposition 65: This product does not contain any chemicals which are known to the State of California to cause cancer, birth
defects or other reproductive harm.
USA OSHA Hazard Communication Standard (29CFR 1910.1200): The contents of the SDS comply with the OSHA Hazard
Communication Standard 29 CFR 1910.1200.
CANADA
WHMIS Regulatory Status: This product has been classified according to the hazard criteria of the CPR and the SDS contains all the
information required by the CPR.
Domestic Substances List (DSL) / Non-Domestic Substances List (NDSL): All components in this product are listed in or exempted from the
Domestic Substances List (DSL) or the Non-Domestic Substances List (NDSL).
16. Other information
Page 5 of 6
TC-812 REV 1 PART A
Reason for issue: New Issue
Date Prepared: 01/11/2023
HMIS rating
Health * 2
Flammability 2
Physical hazard 1
Personal protection X
NFPA codes
2
2 1
HMIS ratings notes: Personal Protection: See Section 8
Manufacturer disclaimer: This information is furnished without warranty, expressed or implied, except that is accurate to the best knowledge of
BJB Enterprises, Inc. The data on this sheet relates only to the specific material designated herein. BJB Enterprises, Inc. assumes no legal
responsibility for use or reliance upon this data.
Page 6 of 6
TC-812 REV 1 PART A
SAFETY DATA SHEET
Date issued : 01/11/2023
SDS number : TC-812 REV 1 PART B
TC-812 REV 1 PART B
1. Identification
Product identifier: TC-812 REV 1 PART B
Relevant identified uses: Polyurethane curative
Manufacturer / Supplier Emergency telephone number (24 hour)
BJB Enterprises, Inc.
14791 Franklin Avenue
Tustin, CA 92780
Emergency Phone: (714) 734-8450
CHEMTREC (USA & Canada): (800) 424-9300
or (703) 527-3887 CCN# 2820
2. Hazard identification
Classification of the substance or mixture
This product does not meet the criteria for classification.
3. Composition/information on ingredients
Chemical name % w/w CAS No.
Polyether polyol mixture 60 – 100Proprietary
4. First-aid measures
Eye: Immediately flush with plenty of water. After initial flushing, remove any contact lenses and continue flushing for at least 15 minutes. Get
medical advice/attention.
Skin: Immediately wash skin with soap and plenty of water. Remove contaminated clothing. Get medical advice/attention if irritation or rash
develops. Wash clothing before reuse.
Ingestion: If swallowed, call a physician immediately. Do not induce vomiting unless directed to do so by medical personnel. Provided the patient
is conscious, wash out mouth with water. Never give anything by mouth to an unconscious person.
Inhalation: Remove to fresh air. Seek medical advice/attention if breathing becomes difficult or if respiratory irritation develops.
Indication of immediate medical attention and special treatment needed, if necessary: Symptomatic and supportive therapy as needed.
Following severe exposure medical follow-up should be monitored for at least 48 hours.
5. Fire-fighting measures
Suitable extinguishing media: Water spray, carbon dioxide, dry chemical, or foam.
Hazardous combustion products: Carbon monoxide and carbon dioxide.
Fire fighting procedures: Cool fire exposed containers with water spray. Remove containers from the fire area if possible. Do not release runoff
from fire control methods to sewers or waterways.
Fire fighting equipment: Firefighters should wear positive pressure self-contained breathing apparatus (SCBA) and consider use of unmanned
hose holders or monitor nozzles for fighting large fires.
6. Accidental release measures
Small spill: Evacuate unnecessary personnel from the spill area. Wear necessary personal protective equipment (PPE) as specified in the SDS or
the site emergency response plan. Eliminate all sources of ignition. Ensure adequate ventilation. Dike and contain spill. Prevent product from
entering drains or waterways. Absorb with non-combustible material (such as sand, earth, diatomaceous earth, or vermiculite) and transfer to a
container for disposal according to local/national regulations.
Page 1 of 4
Environmental precautions
Water spill: Do not discharge into drains, surface waters, or groundwater.
General procedures: Refer to section 8 of SDS for personal protection details.
Release notes: Composition and extent of any spill should be evaluated against local regulations and reported to the proper agencies, if necessary.
7. Handling and storage
General procedures: Avoid contact with eyes, skin, and clothing. Ensure adequate ventilation. Spills on surfaces increase risk of slipping. Wash
thoroughly after handling.
Precautions for safe handling: Use with sufficient ventilation to keep employee exposure below recommended limits. Provide adequate
ventilation for storage, handling and use, especially for enclosed or low spaces. Avoid contact of liquid with eyes and prolonged skin exposure.
Do not allow product to contact open flame or electrical heating elements because dangerous decomposition products may form.
Conditions for safe storage: Store in a dry and well-ventilated place, away from excessive heat in the original or similar container. Avoid sources
of ignition and incompatible materials. Protect from freezing. Containers should be tightly sealed to prevent contamination with foreign
materials. Avoid unnecessary contact.
Storage temperature: 65-80 F (18-27 C)
Shelf life: 6 months from date of shipment under manufacturers recommended storage conditions.
8. Exposure controls/personal protection
Appropriate engineering controls: Use process enclosures, local exhaust ventilation, or other engineering controls to control airborne levels
below recommended exposure limits.
Individual protection measures, such as personal protective equipment
Eye / face protection: Safety goggles or glasses are recommended. Plastic face shields should be used for complete face protection to protect
against possible splashing or spraying of material. ANSI Z87.1 or approved equivalent.
Skin protection – hand protection: Chemical-resistant gloves and chemical goggles, face-shield, and synthetic apron or coveralls should be
used to prevent contact with eyes, skin, or clothing. Wear nitrile or neoprene gloves. Chemical resistant gloves lined with polyethylene offer
maximum protection.
Respiratory protection: Exhaust ventilation recommended. An organic vapor cartridge or fresh air supplied respirator (NIOSH approved) may
be necessary for certain applications. Consider the type of application, environmental concentrations, and other materials being used
concurrently when determining respirator use and selection. Observe OSHA regulations for respirator use (29 CFR 1910.134).
Skin protection – other: Protective clothing should be selected and used in accordance with “Guidelines for the Selection of Chemical
Protective Clothing” published by ACGIH.
Occupational hygiene practices: Contaminated clothing should be changed and washed before reuse. Eating, drinking and smoking in immediate
work area should be prohibited. Wash hands before eating.
Other use precautions: Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Training is
important. Follow all label precautions.
9. Physical and chemical properties
Physical state: Liquid
Color: Colorless
Odor: Slight amine
pH: No data available
Initial boiling point and boiling range: No data available
Flash point: > 182 C (359 F) Closed Cup
Vapor pressure: No data available
Relative vapor density: No data available
Relative density: 1.11 (water=1) at 25 C (77 F)
Solubility: Slightly soluble
Dynamic viscosity: 600 Centipoise at 25 C (77 F)
10. Stability and reactivity
Page 2 of 4
TC-812 REV 1 PART B
Reactivity: Hazardous reactions will not occur under normal transport or storage conditions.
Chemical stability: This product is stable under normal ambient conditions of temperature and pressure.
Conditions to avoid: High temperatures, moisture, and freezing conditions.
Possibility of hazardous reactions: No data available
Hazardous decomposition products: Carbon monoxide and carbon dioxide.
Incompatible materials: Isocyanates, oxidizing agents, bases, and acids.
11. Toxicological information
Acute toxicity
Chemical name LD50 (oral) mg/kg(rat) LD50 (dermal) mg/kg(rabbit) LC50 (inhalation) mg/l
Polyether polyol mixture No data available No data available No data available
Skin corrosion / irritation: No data available
Serious eye damage / irritation: Causes serious eye irritation.
Respiratory or skin sensitization: No data available
Germ cell mutagenicity: No data available
Reproductive toxicity: May damage fertility or the unborn child.
Specific Target Organ Toxicity – single exposure: No data available
Specific Target Organ Toxicity – repeated exposure: Causes damage to organs through prolonged or repeated exposure.
Aspiration hazard: No data available
12. Ecological information
Ecotoxicological information: No specific ecological data are available for this product. Refer to Section 6 for information regarding accidental
release and Section 15 for regulatory reporting information.
Persistence and degradability: No data available
Bioaccumulative potential: No data available
Other adverse effects: This product may cause risk of hazardous effects to the environment.
Mobility in soil: No data available
13. Disposal considerations
Disposal methods: The generation of waste should be avoided or minimized wherever possible. Empty containers or liners may retain some
product residues. This material and its container must be disposed of in a safe way. Dispose of surplus and non-recyclable products via a licensed
waste disposal contractor. Disposal of this product, solutions and any by-products should at all times comply with the requirements of
environmental protections and waste disposal legislation and any regional local authority requirements. Avoid dispersal of spilled material and
runoff and contact with soil, waterways, drains and sewers.
Empty container: Empty containers may contain residue and can be dangerous. Do not attempt to refill or clean containers without proper
instructions. Empty drums should be completely drained and safely stored until appropriately reconditioned or disposed. DO NOT
PRESSURIZE, CUT, WELD, BRAZE, SOLDER, DRILL, GRIND, OR EXPOSE SUCH CONTAINERS TO HEAT, FLAME, SPARKS,
STATIC ELECTRICITY, OR OTHER SOURCES OF IGNITION. T HEY MAY EXPLODE AND CAUSE INJURY OR DEATH.
14. Transport information
USA Department of Transport Regulations (DOT): Not Regulated
ICAO / IATA – air: Not Regulated
IMO / IMDG – sea: Not Regulated
15. Regulatory information
UNITED STATES
SARA Section 311/312 Hazard Categories
Page 3 of 4
TC-812 REV 1 PART B
311/312 Health hazards: Refer to Section 2 for hazard classification.
313 reportable ingredients: This product does not contain any substances subject to the reporting requirements of Section 313 of Title III of
the Superfund Amendments and Reauthorization Act of 1986 and 40 CFR Part 372.
CERCLA Hazardous Substances and Reportable Quantities (RQ)
CERCLA regulatory: This product does not contain any substances regulated as a hazardous substance under the Comprehensive
Environmental Response Compensation and Liability Act (CERCLA) (40 CFR 302).
TSCA (The Toxic Substances Control Act)
TSCA regulatory: This product does not contain any substances subject to TSCA Section 12(b) export notification.
TSCA Status: This product or its components are listed in or exempt from the TSCA inventory requirements.
Occupational safety and health administration (osha)
29 cfr1910.119—process safety management of highly hazardous chemicals: None of the chemicals in this product are considered highly
hazardous by OSHA.
California Proposition 65: This product does not contain any chemicals which are known to the State of California to cause cancer, birth
defects or other reproductive harm.
USA OSHA Hazard Communication Standard (29CFR 1910.1200): The contents of the SDS comply with the OSHA Hazard
Communication Standard 29 CFR 1910.1200.
CANADA
WHMIS Regulatory Status: This product has been classified according to the hazard criteria of the CPR and the SDS contains all the
information required by the CPR.
Domestic Substances List (DSL) / Non-Domestic Substances List (NDSL): All components in this product are listed in or exempted from the
Domestic Substances List (DSL) or the Non-Domestic Substances List (NDSL).
16. Other information
Reason for issue: New Issue
Date Prepared: 01/11/2023
HMIS rating
Health * 2
Flammability 2
Physical hazard 0
Personal protection X
NFPA codes
2
2 0
HMIS ratings notes: Personal Protection: See Section 8
Manufacturer disclaimer: This information is furnished without warranty, expressed or implied, except that is accurate to the best knowledge of
BJB Enterprises, Inc. The data on this sheet relates only to the specific material designated herein. BJB Enterprises, Inc. assumes no legal
responsibility for use or reliance upon this data.
Page 4 of 4
TC-812 REV 1 PART B
by | Sep 27, 2025
Page 1 of 6
SAFETY DATA SHEET
Date issued : 01/10/2011
SDS number : TC-808 PART A
D . Date revised : 05/29/2024
jE materials Revision number: 4
TC-808 PART A
1. Identification
Product identifier: TC-808 PART A
Releyant identified uses: Polyurethane resin
Manufacturer / Supplier Emergency telephone number (24 hour)
BJB Enterprises, Inc. CHEMTREC (USA & Canada): (800) 424-9300
14791 Franklin Avenue or (703) 527-3887 CCN# 2820
Tustin, CA 92780
Emergency Phone: (714) 734-8450
2. Hazard identification
Classification of the substance or mixture
Health hazards:
Acute Toxicity (Inhalation), Category 4
Skin Irritation, Category 2
Eye Irritation, Category 2A
Respiratory Sensitization, Category 1
Skin Sensitization, Category 1
Carcinogenicity, Category 2
Target Organ Toxicity (Single exposure), Category 3
Target Organ Toxicity (Repeated exposure), Category 2
Label elements
Health hazard Exclamation
mark
Signal word: DANGER
Hazard statement(s)
H332: Harmful if inhaled.
H315: Causes skin irritation.
H3 19: Causes serious eye irritation.
H334: May cause allergy or asthma symptoms or breathing difficulties if inhaled.
H317: May cause an allergic skin reaction.
H351: Suspected of causing cancer.
H335: May cause respiratory irritation.
373: May cause damage to organs through prolonged or repeated exposure.
Precautionary statement(s)
Prevention:
P201: Obtain special instructions before use.
P202: Do not handle until all safety precautions have been read and understood.
P260: Do not breathe dust/fume/gas/mist/vapours/spray.
P271: Use only outdoors or in a well-ventilated area.
P284: In case of inadequate ventilation wear respiratory protection.
P264: Wash thoroughly after handling.
P272: Contaminated work clothing should not be allowed out of the workplace.
by | Sep 27, 2025
SAFETY DATA SHEET
Date Issued : 01/10/2011
SDS No : TC-808 PART A
Date Revised : 11/12/2020
Revision No : 3
TC-808 PART A
1. PRODUCT AND COMPANY IDENTIFICATION
PRODUCT NAME: TC-808 PART A
GENERAL USE: Polyurethane resin
MANUFACTURER 24 HR. EMERGENCY TELEPHONE NUMBERS
BJB Enterprises, Inc.
14791 Franklin Avenue
Tustin, CA 92780
Emergency Phone: (714) 734-8450
CHEMTREC (USA & Canada): (800) 424-9300
or (703) 527-3887 CCN# 2820
2. HAZARDS IDENTIFICATION
GHS CLASSIFICATIONS
Health:
Acute Toxicity (Inhalation), Category 4
Skin Irritation, Category 2
Eye Irritation, Category 2A
Respiratory Sensitization, Category 1
Skin Sensitization, Category 1
Carcinogenicity, Category 2
Target Organ Toxicity (Single exposure), Category 3
Target Organ Toxicity (Repeated exposure), Category 2
GHS LABEL
Health hazard Exclamation
mark
SIGNAL WORD: DANGER
HAZARD STATEMENTS
H332: Harmful if inhaled.
H315: Causes skin irritation.
H319: Causes serious eye irritation.
H334: May cause allergy or asthma symptoms or breathing difficulties if inhaled.
H317: May cause an allergic skin reaction.
H351: Suspected of causing cancer.
H335: May cause respiratory irritation.
H373: May cause damage to organs through prolonged or repeated exposure.
PRECAUTIONARY STATEMENTS
Prevention:
P201: Obtain special instructions before use.
P202: Do not handle until all safety precautions have been read and understood.
P260: Do not breathe dust/fume/gas/mist/vapours/spray.
P271: Use only outdoors or in a well-ventilated area.
P284: In case of inadequate ventilation wear respiratory protection.
P264: Wash thoroughly after handling.
P272: Contaminated work clothing should not be allowed out of the workplace.
Page 1 of 6
P280: Wear protective gloves/protective clothing/eye protection/face protection.
Response:
P304+P340: IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P342+P311: If experiencing respiratory symptoms: Call a POISON CENTER/doctor/physician.
P302+P352: IF ON SKIN: Wash with plenty of soap and water.
P333+P313: If skin irritation or rash occurs: Get medical advice/attention.
P362+P364: Take off contaminated clothing and wash it before reuse.
P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue
rinsing.
P337+P313: If eye irritation persists: Get medical advice/attention.
P308+P313: IF exposed or concerned: Get medical advice/ attention.
Storage:
P403+P233: Store in a well-ventilated place. Keep container tightly closed.
P405: Store locked up.
Disposal:
P501: Dispose of contents/container in accordance with local/regional/national/international regulations.
3. COMPOSITION / INFORMATION ON INGREDIENTS
Chemical Name Wt.% CAS
4,4′-Diphenylmethane diisocyanate 30 – 60101-68-8
1,2-Benzenedicarboxylic acid, di-C9-11-branched alkyl esters, C10-rich 10 – 3068515-49-1
Benzene, 1,1′-methylenebis[isocyanato- 1 – 526447-40-5
4. FIRST AID MEASURES
EYES: Immediately flush with plenty of water. After initial flushing, remove any contact lenses and continue flushing for at least 15 minutes. Get
medical advice/attention.
SKIN: Immediately wash skin with soap and plenty of water. Remove contaminated clothing. Get medical advice/attention if irritation or rash
develops. Wash clothing before reuse.
INGESTION: If swallowed, call a physician immediately. Do not induce vomiting unless directed to do so by medical personnel. Provided the
patient is conscious, wash out mouth with water. Never give anything by mouth to an unconscious person.
INHALATION: Remove to fresh air. If not breathing, if breathing is irregular or if respiratory arrest occurs, provide artificial respiration or
oxygen by trained personnel. Get immediate medical attention.
NOTES TO PHYSICIAN: Symptomatic and supportive therapy as needed. Following severe exposure medical follow-up should be monitored
for at least 48 hours.
5. FIRE FIGHTING MEASURES
EXTINGUISHING MEDIA: Water spray, carbon dioxide, dry chemical, or foam.
HAZARDOUS COMBUSTION PRODUCTS: Carbon monoxide, carbon dioxide, nitrogen oxides, hydrocarbons, and hydrogen cyanide.
FIRE FIGHTING PROCEDURES: Cool fire exposed containers with water spray. Remove containers from the fire area if possible. Do not
release runoff from fire control methods to sewers or waterways.
FIRE FIGHTING EQUIPMENT: Firefighters should wear positive pressure self-contained breathing apparatus (SCBA) and consider use of
unmanned hose holders or monitor nozzles for fighting large fires.
6. ACCIDENTAL RELEASE MEASURES
SPILL AND LEAK PROCEDURES: Evacuate unnecessary personnel from the spill area. Wear necessary personal protective equipment (PPE)
as specified in the SDS or the site emergency response plan. Eliminate all sources of ignition. Ensure adequate ventilation. Dike and contain
spill. Prevent product from entering drains or waterways. Absorb with non-combustible material (such as sand, earth, diatomaceous earth, or
vermiculite) and transfer to a container for disposal according to local/national regulations.
ENVIRONMENTAL PRECAUTIONS
WATER SPILL: Do not discharge into drains, surface waters, or groundwater.
GENERAL PROCEDURES: Refer to section 8 of SDS for personal protection details.
Page 2 of 6
TC-808 PART A
RELEASE NOTES: Composition and extent of any spill should be evaluated against local regulations and reported to the proper agencies, if
necessary.
7. HANDLING AND STORAGE
GENERAL PROCEDURES: Avoid contact with eyes, skin and clothing. Use only with adequate ventilation. Avoid breathing vapor over open
containers. Avoid open container exposure to damp air. Avoid breathing aerosols, mists, and vapors.
HANDLING: Use appropriate personal protective equipment as specified in Section 8. Handle in a well-ventilated area. Handle and use in a
manner consistent with good industrial/manufacturing techniques and practices.
STORAGE: Store in a dry and well-ventilated place, away from excessive heat, in original or similar container. Avoid unnecessary contact.
Protect from freezing. Containers should be tightly sealed to prevent contamination with foreign materials.
STORAGE TEMPERATURE: 65-80 F (18-27 C)
SHELF LIFE: 6 months from date of shipment under manufacturers recommended storage conditions.
8. EXPOSURE CONTROLS / PERSONAL PROTECTION
EXPOSURE GUIDELINES
OSHA HAZARDOUS COMPONENTS (29 CFR1910.1200)
EXPOSURE LIMITS
Chemical Name Type ppm mg/m
3
4,4′-Diphenylmethane diisocyanate
OSHA PEL
TWA – –
STEL – –
C 0.02 0.2
ACGIH TLV
TWA 0.005 –
STEL – –
NIOSH REL
TWA 0.0050.05
STEL – –
C 0.02
[1]
0.2
[1]
1,2-Benzenedicarboxylic acid, di-C9-11-branched alkyl esters, C10-rich
OSHA PEL
TWA – –
STEL – –
ACGIH TLV
TWA – –
STEL – –
NIOSH REL
TWA – –
STEL – –
Benzene, 1,1′-methylenebis[isocyanato-
OSHA PEL
TWA – –
STEL – –
ACGIH TLV
TWA – –
STEL – –
NIOSH REL
TWA – –
STEL – –
Footnotes:
1. 10-minute
ENGINEERING CONTROLS: Use process enclosures, local exhaust ventilation, or other engineering controls to control airborne levels below
recommended exposure limits.
PERSONAL PROTECTIVE EQUIPMENT
EYES AND FACE: Safety goggles or glasses are recommended. Plastic face shields should be used for complete face protection to protect
Page 3 of 6
TC-808 PART A
against possible splashing or spraying of material. ANSI Z87.1 or approved equivalent.
SKIN: Chemical-resistant gloves and chemical goggles, face-shield, and synthetic apron or coveralls should be used to prevent contact with
eyes, skin, or clothing. Wear nitrile or neoprene gloves. Chemical resistant gloves lined with polyethylene offer maximum protection.
RESPIRATORY: Exhaust ventilation recommended. An organic vapor cartridge or fresh air supplied respirator (NIOSH approved) may be
necessary for certain applications. Consider the type of application, environmental concentrations, and other materials being used concurrently
when determining respirator use and selection. Observe OSHA regulations for respirator use (29 CFR 1910.134).
PROTECTIVE CLOTHING: Protective clothing should be selected and used in accordance with “Guidelines for the Selection of Chemical
Protective Clothing” published by ACGIH.
WORK HYGIENIC PRACTICES: Contaminated clothing should be changed and washed before reuse. Eating, drinking and smoking in
immediate work area should be prohibited. Wash hands before eating.
OTHER USE PRECAUTIONS: Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower.
Training is important. Follow all label precautions.
9. PHYSICAL AND CHEMICAL PROPERTIES
PHYSICAL STATE: Liquid
ODOR: Slight
COLOR: Pale yellow
pH: No data available
PERCENT VOLATILE: Nil
FLASH POINT AND METHOD: > 196.1 C (385 F) Pensky-Martens CC
VAPOR PRESSURE: No data available
VAPOR DENSITY: No data available
BOILING POINT: No data available
SOLUBILITY IN WATER: Reacts with water
SPECIFIC GRAVITY: 1.14 (water=1) at 25 C (77 F)
VISCOSITY #1: 90 Centipoise at 25 C (77 F)
(VOC): Nil
10. STABILITY AND REACTIVITY
REACTIVITY: Hazardous reactions will not occur under normal transport or storage conditions.
STABILITY: This product is stable under normal ambient conditions of temperature and pressure.
CONDITIONS TO AVOID: High temperatures, moisture, and freezing conditions.
POSSIBILITY OF HAZARDOUS REACTIONS: Reaction with water produces carbon dioxide. Exothermic reaction with materials containing
active hydrogen groups. The reaction becomes progressively more vigorous and can be violent at higher temperatures if the miscibility of the
reaction partners is good or is supported by stirring or by the presence of solvents. MDI is insoluble with, and heavier than water and sinks to the
bottom but reacts slowly at the interface. A solid water-insoluble layer of polyurea is formed at the interface by liberating carbon dioxide gas.
HAZARDOUS DECOMPOSITION PRODUCTS: Carbon monoxide, carbon dioxide, nitrogen oxides, hydrocarbons, and hydrogen cyanide.
INCOMPATIBLE MATERIALS: Water, strong bases, strong acids, strong oxidizing agents, alcohols, and amines.
11. TOXICOLOGICAL INFORMATION
ACUTE TOXICITY
Chemical Name ORAL LD50 DERMAL LD50 INHALATION LC 50
4,4′-Diphenylmethane diisocyanate
> 2000 mg/kg
Rat
> 9400 mg/kg
Rabbit
2.24 mg/l Rat (1 h,
dust/mist)
1,2-Benzenedicarboxylic acid, di-C9-11-branched alkyl esters, C10-
rich
> 10 g/kg Rat> 3.16 g/kg Rabbit > 0.13 mg/l Rat
Benzene, 1,1′-methylenebis[isocyanato-
> 2000 mg/kg
Rat
> 9400 mg/kg
Rabbit
2.24 mg/l Rat (1 h,
dust/mist)
SKIN CORROSION/IRRITATION: Causes skin irritation.
SERIOUS EYE DAMAGE/IRRITATION: Causes serious eye irritation.
Page 4 of 6
TC-808 PART A
RESPIRATORY OR SKIN SENSITISATION: May cause sensitization by inhalation and skin contact.
GERM CELL MUTAGENICITY: No data available
CARCINOGENICITY
Chemical Name IARC Status
4,4′-Diphenylmethane diisocyanate 3
REPRODUCTIVE TOXICITY: No data available
STOT-SINGLE EXPOSURE: May cause respiratory irritation.
STOT-REPEATED EXPOSURE: May cause damage to organs through prolonged or repeated exposure.
ASPIRATION HAZARD: No data available
12. ECOLOGICAL INFORMATION
ENVIRONMENTAL DATA: No data available
ECOTOXICOLOGICAL INFORMATION: No specific ecological data are available for this product. Refer to Section 6 for information
regarding accidental release and Section 15 for regulatory reporting information.
BIOACCUMULATION/ACCUMULATION: No data available
DISTRIBUTION: No data available
CHEMICAL FATE INFORMATION: No data available
13. DISPOSAL CONSIDERATIONS
DISPOSAL METHOD: The generation of waste should be avoided or minimized wherever possible. Empty containers or liners may retain some
product residues. This material and its container must be disposed of in a safe way. Dispose of surplus and non-recyclable products via a licensed
waste disposal contractor. Disposal of this product, solutions and any by-products should at all times comply with the requirements of
environmental protections and waste disposal legislation and any regional local authority requirements. Avoid dispersal of spilled material and
runoff and contact with soil, waterways, drains and sewers.
14. TRANSPORT INFORMATION
DOT (DEPARTMENT OF TRANSPORTATION): Not Regulated
AIR (ICAO/IATA): Not Regulated
VESSEL (IMO/IMDG): Not Regulated
15. REGULATORY INFORMATION
UNITED STATES
SARA TITLE III (SUPERFUND AMENDMENTS AND REAUTHORIZ ATION ACT)
311/312 HEALTH HAZARDS: Acute Health Hazard, Chronic Health Hazard
313 REPORTABLE INGREDIENTS: This product contains the following substances subject to the reporting requirements of Section 313
of Title III of the Superfund Amendments and Reauthorization Act of 1986 and 40 CFR Part 372:
EPCRA SECTION 313 SUPPLIER NOTIFICATION
Chemical Name Wt.% CAS Comments
4,4′-Diphenylmethane diisocyanate 30 – 60101-68-8Diisocyanate Compounds (Category Code N120)
CERCLA (COMPREHENSIVE ENVIRONMENTAL RESPONSE, COMPE NSATION, AND LIABILITY ACT)
CERCLA REGULATORY: This product contains one or more substances regulated as a hazardous substance under the Comprehensive
Environmental Response Compensation and Liability Act (CERCLA) (40 CFR 302).
Chemical Name Wt.% CERCLA RQ
4,4′-Diphenylmethane diisocyanate 30 – 60 5,000 lbs.
TSCA (TOXIC SUBSTANCE CONTROL ACT)
TSCA REGULATORY: This product does not contain any substances subject to TSCA Section 12(b) export notification.
TSCA STATUS: This product or its components are listed in or exempt from the TSCA inventory requirements.
OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION (OSHA )
Page 5 of 6
TC-808 PART A
29 CFR1910.119—PROCESS SAFETY MANAGEMENT OF HIGHL Y HAZARDOUS CHEMICALS: None of the chemicals in this
product are considered highly hazardous by OSHA.
CALIFORNIA PROPOSITION 65: WARNING: This product can expose you to chemicals including [see table below], which is [are]
known to the State of California to cause birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.
Chemical Name Wt.% Listed
1,2-Benzenedicarboxylic acid, di-C9-11-branched alkyl esters, C10-rich 10 – 30 Developmental Toxicity
OSHA HAZARD COMM. RULE: The contents of the SDS comply with the OSHA Hazard Communication Standard 29 CFR 1910.1200.
CANADA
WHMIS (WORKPLACE HAZARDOUS MATERIALS INFORMATION SY STEM): This product has been classified according to the
hazard criteria of the CPR and the SDS contains all the information required by the CPR.
DOMESTIC SUBSTANCE LIST (INVENTORY): All components in this product are listed in or exempted from the Domestic Substances
List (DSL) or the Non-Domestic Substances List (NDSL).
GENERAL COMMENTS:
DIDP RESTRICTIONS: This product contains diisodecyl phthalate (DIDP), CAS# 68515-49-1 EINECS# 271-091-4. In the U.S., there is an
interim prohibition on DIDP above 0.1 percent by weight (one thousand parts per million) in toys intended for children age 12 and under that can
be placed in a child’s mouth and child care articles for children age 3 and under [H.R. 4040, The Consumer Safety Improvement Act of 2008]. In
the EU, DIDP shall not be used as substance or as constituents of preparations, at concentrations of greater than 0.1 percent by weight (one
thousand parts per million) of the plasticized material, in toys and child care articles which can be place in the mouth by children. Such toys and
child care articles containing DIDP in concentrations greater than the limit mentioned above shall not be placed on the market [Directive
2005/84/EC].
16. OTHER INFORMATION
REASON FOR ISSUE: Revision
Date Revised: 11/12/2020
REVISION SUMMARY: This SDS replaces the 09/28/2017 SDS.
HMIS RATING
HEALTH * 2
FLAMMABILITY 1
PHYSICAL HAZARD 1
PERSONAL PROTECTION X
NFPA CODES
1
2 1
HMIS RATINGS NOTES: Personal Protection: See Section 8
MANUFACTURER DISCLAIMER: This information is furnished without warranty, expressed or implied, except that is accurate to the best
knowledge of BJB Enterprises, Inc. The data on this sheet relates only to the specific material designated herein. BJB Enterprises, Inc. assumes
no legal responsibility for use or reliance upon this data.
Page 6 of 6
TC-808 PART A
SAFETY DATA SHEET
Date Issued : 01/10/2011
SDS No : TC-808 PART B
Date Revised : 11/12/2020
Revision No : 3
TC-808 PART B
1. PRODUCT AND COMPANY IDENTIFICATION
PRODUCT NAME: TC-808 PART B
GENERAL USE: Polyurethane curative
MANUFACTURER 24 HR. EMERGENCY TELEPHONE NUMBERS
BJB Enterprises, Inc.
14791 Franklin Avenue
Tustin, CA 92780
Emergency Phone: (714) 734-8450
CHEMTREC (USA & Canada): (800) 424-9300
or (703) 527-3887 CCN# 2820
2. HAZARDS IDENTIFICATION
GHS CLASSIFICATIONS
Health:
Eye Irritation, Category 2A
GHS LABEL
Exclamation
mark
SIGNAL WORD: WARNING
HAZARD STATEMENTS
H319: Causes serious eye irritation.
PRECAUTIONARY STATEMENTS
Prevention:
P264: Wash thoroughly after handling.
P280: Wear eye protection/face protection.
Response:
P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue
rinsing.
P337+P313: If eye irritation persists: Get medical advice/attention.
3. COMPOSITION / INFORMATION ON INGREDIENTS
Chemical Name Wt.% CAS
Polyether polyol mixture 30 – 60Proprietary
1,2-ethanediamine, polymer with 2-methyloxirane 15 – 4025214-63-5
Hydroxy terminated poly(oxyalkylated) polyol 1 – 5 102-60-3
Silicon dioxide 1 – 57631-86-9
1,2-Benzenedicarboxylic acid, di-C9-11-branched alkyl esters, C10-rich 0.1 – 168515-49-1
Titanium dioxide (TiO2) 0.1 – 113463-67-7
Page 1 of 6
4. FIRST AID MEASURES
EYES: Immediately flush with plenty of water. After initial flushing, remove any contact lenses and continue flushing for at least 15 minutes. Get
medical advice/attention.
SKIN: Immediately wash skin with soap and plenty of water. Remove contaminated clothing. Get medical advice/attention if irritation or rash
develops. Wash clothing before reuse.
INGESTION: If swallowed, call a physician immediately. Do not induce vomiting unless directed to do so by medical personnel. Provided the
patient is conscious, wash out mouth with water. Never give anything by mouth to an unconscious person.
INHALATION: Remove to fresh air. Seek medical advice/attention if breathing becomes difficult or if respiratory irritation develops.
NOTES TO PHYSICIAN: Symptomatic and supportive therapy as needed. Following severe exposure medical follow-up should be monitored
for at least 48 hours.
5. FIRE FIGHTING MEASURES
EXTINGUISHING MEDIA: Water spray, carbon dioxide, dry chemical, or foam.
HAZARDOUS COMBUSTION PRODUCTS: Carbon monoxide, carbon dioxide, and nitrogen oxides.
FIRE FIGHTING PROCEDURES: Cool fire exposed containers with water spray. Remove containers from the fire area if possible. Do not
release runoff from fire control methods to sewers or waterways.
FIRE FIGHTING EQUIPMENT: Firefighters should wear positive pressure self-contained breathing apparatus (SCBA) and consider use of
unmanned hose holders or monitor nozzles for fighting large fires.
6. ACCIDENTAL RELEASE MEASURES
SPILL AND LEAK PROCEDURES: Evacuate the area. Clean-up should only be performed by trained personnel. People dealing with a major
spill should wear full protective clothing including appropriate respiratory protection. Prevent product spill from entering sewers or waterways.
Neutralize small spills with a decontaminant.
LARGE SPILL: Contain and absorb large spills onto an inert, non-flammable adsorbent carrier (such as earth or sand). Shovel into open-top
drums or plastic bags for further decontamination, if necessary. Wash the spill area clean with a liquid decontaminant. Remove and properly
dispose of residues. Notify applicable government authorities if release is reportable. (See CERCLA in Section 15).
ENVIRONMENTAL PRECAUTIONS
WATER SPILL: Do not discharge into drains, surface waters, or groundwater.
GENERAL PROCEDURES: Refer to section 8 of SDS for personal protection details.
RELEASE NOTES: Composition and extent of any spill should be evaluated against local regulations and reported to the proper agencies, if
necessary.
7. HANDLING AND STORAGE
GENERAL PROCEDURES: Avoid contact with eyes, skin and clothing. Use only with adequate ventilation. Avoid breathing vapor over open
containers. Avoid open container exposure to damp air. Avoid breathing aerosols, mists, and vapors.
HANDLING: Use appropriate personal protective equipment as specified in Section 8. Handle in a well-ventilated area. Handle and use in a
manner consistent with good industrial/manufacturing techniques and practices.
STORAGE: Store in a dry and well-ventilated place, away from excessive heat, in original or similar container. Avoid unnecessary contact.
Protect from freezing. Containers should be tightly sealed to prevent contamination with foreign materials.
STORAGE TEMPERATURE: 65-80 F (18-27 C)
SHELF LIFE: 6 months from date of shipment under manufacturers recommended storage conditions.
8. EXPOSURE CONTROLS / PERSONAL PROTECTION
EXPOSURE GUIDELINES
OSHA HAZARDOUS COMPONENTS (29 CFR1910.1200)
EXPOSURE LIMITS
Chemical Name Type ppm mg/m
3
OSHA PEL
TWA – –
STEL – –
Page 2 of 6
TC-808 PART B
Polyether polyol mixture ACGIH TLV
TWA – –
STEL – –
NIOSH REL
TWA – –
STEL – –
1,2-ethanediamine, polymer with 2-methyloxirane
OSHA PEL
TWA – –
STEL – –
ACGIH TLV
TWA – –
STEL – –
NIOSH REL
TWA – –
STEL – –
Hydroxy terminated poly(oxyalkylated) polyol
OSHA PEL
TWA – –
STEL – –
ACGIH TLV
TWA – –
STEL – –
NIOSH REL
TWA – –
STEL – –
Silicon dioxide
OSHA PEL
TWA 20 mppcf
[1]
80 %SiO2
[1]
STEL – –
ACGIH TLV
TWA – –
STEL – –
NIOSH REL
TWA – 6
STEL – –
1,2-Benzenedicarboxylic acid, di-C9-11-branched alkyl esters, C10-rich
OSHA PEL
TWA – –
STEL – –
ACGIH TLV
TWA – –
STEL – –
NIOSH REL
TWA – –
STEL – –
Titanium dioxide (TiO2)
OSHA PEL
TWA –
[2]
15
[2]
STEL – –
ACGIH TLV
TWA – 10
STEL – –
NIOSH REL
TWA – –
STEL – –
Footnotes:
1. Mineral dusts
2. Total dust
ENGINEERING CONTROLS: Use process enclosures, local exhaust ventilation, or other engineering controls to control airborne levels below
recommended exposure limits.
PERSONAL PROTECTIVE EQUIPMENT
Page 3 of 6
TC-808 PART B
EYES AND FACE: Safety goggles or glasses are recommended. Plastic face shields should be used for complete face protection to protect
against possible splashing or spraying of material. ANSI Z87.1 or approved equivalent.
SKIN: Chemical-resistant gloves and chemical goggles, face-shield, and synthetic apron or coveralls should be used to prevent contact with
eyes, skin, or clothing. Wear nitrile or neoprene gloves. Chemical resistant gloves lined with polyethylene offer maximum protection.
RESPIRATORY: Exhaust ventilation recommended. An organic vapor cartridge or fresh air supplied respirator (NIOSH approved) may be
necessary for certain applications. Consider the type of application, environmental concentrations, and other materials being used concurrently
when determining respirator use and selection. Observe OSHA regulations for respirator use (29 CFR 1910.134).
PROTECTIVE CLOTHING: Protective clothing should be selected and used in accordance with “Guidelines for the Selection of Chemical
Protective Clothing” published by ACGIH.
WORK HYGIENIC PRACTICES: Contaminated clothing should be changed and washed before reuse. Eating, drinking and smoking in
immediate work area should be prohibited. Wash hands before eating.
OTHER USE PRECAUTIONS: Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower.
Training is important. Follow all label precautions.
9. PHYSICAL AND CHEMICAL PROPERTIES
PHYSICAL STATE: Liquid
ODOR: Mild
COLOR: White
pH: No data available
PERCENT VOLATILE: 0.15
FLASH POINT AND METHOD: > 176.7 C (350 F) Pensky-Martens CC
VAPOR PRESSURE: No data available
VAPOR DENSITY: No data available
BOILING POINT: No data available
SOLUBILITY IN WATER: Slightly soluble
SPECIFIC GRAVITY: 1.02 (water=1) at 25 C (77 F)
VISCOSITY #1: 300 Centipoise at 25 C (77 F)
(VOC): < 1.6 g/l Calculated. Theoretical VOC minus water and exempt solvents.
10. STABILITY AND REACTIVITY
REACTIVITY: Hazardous reactions will not occur under normal transport or storage conditions.
STABILITY: This product is stable under normal ambient conditions of temperature and pressure.
CONDITIONS TO AVOID: High temperatures, moisture, and freezing conditions.
POSSIBILITY OF HAZARDOUS REACTIONS: No data available
HAZARDOUS DECOMPOSITION PRODUCTS: Carbon monoxide, carbon dioxide, and nitrogen oxides.
INCOMPATIBLE MATERIALS: Isocyanates, strong acids, strong bases, and strong oxidizing agents.
11. TOXICOLOGICAL INFORMATION
ACUTE TOXICITY
Chemical Name ORAL LD50 DERMAL LD50 INHALATION LC 50
Polyether polyol mixture No data available No data available No data available
1,2-ethanediamine, polymer with 2-methyloxirane No data available No data available No data available
Hydroxy terminated poly(oxyalkylated) polyol 3280 mg/kg Rat> 2000 mg/kg Rabbit No data available
Silicon dioxide > 3300 mg/kg Rat> 5000 mg/kg Rat 0.139 mg/l Rat (4 h)
1,2-Benzenedicarboxylic acid, di-C9-11-branched alkyl esters, C10-
rich
> 10 g/kg Rat> 3.16 g/kg Rabbit> 0.13 mg/l Rat
Titanium dioxide (TiO2) > 10000 mg/kg Rat No data available> 6.82 mg/l Rat (4 h)
Naphthalene 490 mg/kg Rat 20000 mg/kg Rabbit> 0.4 mg/l Rat (4 h)
Page 4 of 6
TC-808 PART B
SKIN CORROSION/IRRITATION: No data available
SERIOUS EYE DAMAGE/IRRITATION: Causes serious eye irritation.
RESPIRATORY OR SKIN SENSITISATION: No data available
GERM CELL MUTAGENICITY: No data available
CARCINOGENICITY
Chemical Name NTP Status IARC Status
Silicon dioxide 3
Titanium dioxide (TiO2) 2B
Naphthalene 2 2B
REPRODUCTIVE TOXICITY: No data available
STOT-SINGLE EXPOSURE: No data available
STOT-REPEATED EXPOSURE: No data available
ASPIRATION HAZARD: No data available
12. ECOLOGICAL INFORMATION
ENVIRONMENTAL DATA: No data available
ECOTOXICOLOGICAL INFORMATION: No specific ecological data are available for this product. Refer to Section 6 for information
regarding accidental release and Section 15 for regulatory reporting information.
BIOACCUMULATION/ACCUMULATION: No data available
DISTRIBUTION: No data available
CHEMICAL FATE INFORMATION: No data available
13. DISPOSAL CONSIDERATIONS
DISPOSAL METHOD: The generation of waste should be avoided or minimized wherever possible. Empty containers or liners may retain some
product residues. This material and its container must be disposed of in a safe way. Dispose of surplus and non-recyclable products via a licensed
waste disposal contractor. Disposal of this product, solutions and any by-products should at all times comply with the requirements of
environmental protections and waste disposal legislation and any regional local authority requirements. Avoid dispersal of spilled material and
runoff and contact with soil, waterways, drains and sewers.
14. TRANSPORT INFORMATION
DOT (DEPARTMENT OF TRANSPORTATION): Not Regulated
AIR (ICAO/IATA): Not Regulated
VESSEL (IMO/IMDG): Not Regulated
15. REGULATORY INFORMATION
UNITED STATES
SARA TITLE III (SUPERFUND AMENDMENTS AND REAUTHORIZ ATION ACT)
311/312 HEALTH HAZARDS: Acute Health Hazard
313 REPORTABLE INGREDIENTS: This product does not contain any substances subject to the reporting requirements of Section 313 of
Title III of the Superfund Amendments and Reauthorization Act of 1986 and 40 CFR Part 372.
CERCLA (COMPREHENSIVE ENVIRONMENTAL RESPONSE, COMPE NSATION, AND LIABILITY ACT)
CERCLA REGULATORY: This product contains one or more substances regulated as a hazardous substance under the Comprehensive
Environmental Response Compensation and Liability Act (CERCLA) (40 CFR 302).
Chemical Name Wt.% CERCLA RQ
Naphthalene < 0.0015 100 lbs.
TSCA (TOXIC SUBSTANCE CONTROL ACT)
TSCA REGULATORY: This product does not contain any substances subject to TSCA Section 12(b) export notification.
TSCA STATUS: This product or its components are listed in or exempt from the TSCA inventory requirements.
Page 5 of 6
TC-808 PART B
OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION (OSHA )
29 CFR1910.119---PROCESS SAFETY MANAGEMENT OF HIGHL Y HAZARDOUS CHEMICALS: None of the chemicals in this
product are considered highly hazardous by OSHA.
CALIFORNIA PROPOSITION 65: WARNING: This product can expose you to chemicals including [see table below], which is [are]
known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to
www.P65Warnings.ca.gov.
Chemical Name Wt.% Listed
1,2-Benzenedicarboxylic acid, di-C9-11-branched alkyl esters, C10-rich 0.1 - 1 Developmental Toxicity
Titanium dioxide (TiO2) 0.1 - 1 Cancer
Naphthalene < 0.0015 Cancer
OSHA HAZARD COMM. RULE: The contents of the SDS comply with the OSHA Hazard Communication Standard 29 CFR 1910.1200.
CANADA
WHMIS (WORKPLACE HAZARDOUS MATERIALS INFORMATION SY STEM): This product has been classified according to the
hazard criteria of the CPR and the SDS contains all the information required by the CPR.
DOMESTIC SUBSTANCE LIST (INVENTORY): All components in this product are listed in or exempted from the Domestic Substances
List (DSL) or the Non-Domestic Substances List (NDSL).
GENERAL COMMENTS:
DIDP RESTRICTIONS: This product contains diisodecyl phthalate (DIDP), CAS# 68515-49-1 EINECS# 271-091-4. In the U.S., there is an
interim prohibition on DIDP above 0.1 percent by weight (one thousand parts per million) in toys intended for children age 12 and under that can
be placed in a child's mouth and child care articles for children age 3 and under [H.R. 4040, The Consumer Safety Improvement Act of 2008]. In
the EU, DIDP shall not be used as substance or as constituents of preparations, at concentrations of greater than 0.1 percent by weight (one
thousand parts per million) of the plasticized material, in toys and child care articles which can be place in the mouth by children. Such toys and
child care articles containing DIDP in concentrations greater than the limit mentioned above shall not be placed on the market [Directive
2005/84/EC].
16. OTHER INFORMATION
REASON FOR ISSUE: Revision
Date Revised: 11/12/2020
REVISION SUMMARY: This SDS replaces the 09/28/2017 SDS.
HMIS RATING
HEALTH 2
FLAMMABILITY 1
PHYSICAL HAZARD 0
PERSONAL PROTECTION X
NFPA CODES
1
2 0
HMIS RATINGS NOTES: Personal Protection: See Section 8
MANUFACTURER DISCLAIMER: This information is furnished without warranty, expressed or implied, except that is accurate to the best
knowledge of BJB Enterprises, Inc. The data on this sheet relates only to the specific material designated herein. BJB Enterprises, Inc. assumes
no legal responsibility for use or reliance upon this data.
Page 6 of 6
TC-808 PART B
by | Sep 27, 2025
SAFETY DATA SHEET
Date Issued : 01/10/2011
SDS No : TC-808 PART B
Date Revised : 11/12/2020
Revision No : 3
TC-808 PART B
1. PRODUCT AND COMPANY IDENTIFICATION
PRODUCT NAME: TC-808 PART B
GENERAL USE: Polyurethane curative
MANUFACTURER 24 HR. EMERGENCY TELEPHONE NUMBERS
BJB Enterprises, Inc.
14791 Franklin Avenue
Tustin, CA 92780
Emergency Phone: (714) 734-8450
CHEMTREC (USA & Canada): (800) 424-9300
or (703) 527-3887 CCN# 2820
2. HAZARDS IDENTIFICATION
GHS CLASSIFICATIONS
Health:
Eye Irritation, Category 2A
GHS LABEL
Exclamation
mark
SIGNAL WORD: WARNING
HAZARD STATEMENTS
H319: Causes serious eye irritation.
PRECAUTIONARY STATEMENTS
Prevention:
P264: Wash thoroughly after handling.
P280: Wear eye protection/face protection.
Response:
P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue
rinsing.
P337+P313: If eye irritation persists: Get medical advice/attention.
3. COMPOSITION / INFORMATION ON INGREDIENTS
Chemical Name Wt.% CAS
Polyether polyol mixture 30 – 60Proprietary
1,2-ethanediamine, polymer with 2-methyloxirane 15 – 4025214-63-5
Hydroxy terminated poly(oxyalkylated) polyol 1 – 5 102-60-3
Silicon dioxide 1 – 57631-86-9
1,2-Benzenedicarboxylic acid, di-C9-11-branched alkyl esters, C10-rich 0.1 – 168515-49-1
Titanium dioxide (TiO2) 0.1 – 113463-67-7
Page 1 of 6
4. FIRST AID MEASURES
EYES: Immediately flush with plenty of water. After initial flushing, remove any contact lenses and continue flushing for at least 15 minutes. Get
medical advice/attention.
SKIN: Immediately wash skin with soap and plenty of water. Remove contaminated clothing. Get medical advice/attention if irritation or rash
develops. Wash clothing before reuse.
INGESTION: If swallowed, call a physician immediately. Do not induce vomiting unless directed to do so by medical personnel. Provided the
patient is conscious, wash out mouth with water. Never give anything by mouth to an unconscious person.
INHALATION: Remove to fresh air. Seek medical advice/attention if breathing becomes difficult or if respiratory irritation develops.
NOTES TO PHYSICIAN: Symptomatic and supportive therapy as needed. Following severe exposure medical follow-up should be monitored
for at least 48 hours.
5. FIRE FIGHTING MEASURES
EXTINGUISHING MEDIA: Water spray, carbon dioxide, dry chemical, or foam.
HAZARDOUS COMBUSTION PRODUCTS: Carbon monoxide, carbon dioxide, and nitrogen oxides.
FIRE FIGHTING PROCEDURES: Cool fire exposed containers with water spray. Remove containers from the fire area if possible. Do not
release runoff from fire control methods to sewers or waterways.
FIRE FIGHTING EQUIPMENT: Firefighters should wear positive pressure self-contained breathing apparatus (SCBA) and consider use of
unmanned hose holders or monitor nozzles for fighting large fires.
6. ACCIDENTAL RELEASE MEASURES
SPILL AND LEAK PROCEDURES: Evacuate the area. Clean-up should only be performed by trained personnel. People dealing with a major
spill should wear full protective clothing including appropriate respiratory protection. Prevent product spill from entering sewers or waterways.
Neutralize small spills with a decontaminant.
LARGE SPILL: Contain and absorb large spills onto an inert, non-flammable adsorbent carrier (such as earth or sand). Shovel into open-top
drums or plastic bags for further decontamination, if necessary. Wash the spill area clean with a liquid decontaminant. Remove and properly
dispose of residues. Notify applicable government authorities if release is reportable. (See CERCLA in Section 15).
ENVIRONMENTAL PRECAUTIONS
WATER SPILL: Do not discharge into drains, surface waters, or groundwater.
GENERAL PROCEDURES: Refer to section 8 of SDS for personal protection details.
RELEASE NOTES: Composition and extent of any spill should be evaluated against local regulations and reported to the proper agencies, if
necessary.
7. HANDLING AND STORAGE
GENERAL PROCEDURES: Avoid contact with eyes, skin and clothing. Use only with adequate ventilation. Avoid breathing vapor over open
containers. Avoid open container exposure to damp air. Avoid breathing aerosols, mists, and vapors.
HANDLING: Use appropriate personal protective equipment as specified in Section 8. Handle in a well-ventilated area. Handle and use in a
manner consistent with good industrial/manufacturing techniques and practices.
STORAGE: Store in a dry and well-ventilated place, away from excessive heat, in original or similar container. Avoid unnecessary contact.
Protect from freezing. Containers should be tightly sealed to prevent contamination with foreign materials.
STORAGE TEMPERATURE: 65-80 F (18-27 C)
SHELF LIFE: 6 months from date of shipment under manufacturers recommended storage conditions.
8. EXPOSURE CONTROLS / PERSONAL PROTECTION
EXPOSURE GUIDELINES
OSHA HAZARDOUS COMPONENTS (29 CFR1910.1200)
EXPOSURE LIMITS
Chemical Name Type ppm mg/m
3
OSHA PEL
TWA – –
STEL – –
Page 2 of 6
TC-808 PART B
Polyether polyol mixture ACGIH TLV
TWA – –
STEL – –
NIOSH REL
TWA – –
STEL – –
1,2-ethanediamine, polymer with 2-methyloxirane
OSHA PEL
TWA – –
STEL – –
ACGIH TLV
TWA – –
STEL – –
NIOSH REL
TWA – –
STEL – –
Hydroxy terminated poly(oxyalkylated) polyol
OSHA PEL
TWA – –
STEL – –
ACGIH TLV
TWA – –
STEL – –
NIOSH REL
TWA – –
STEL – –
Silicon dioxide
OSHA PEL
TWA 20 mppcf
[1]
80 %SiO2
[1]
STEL – –
ACGIH TLV
TWA – –
STEL – –
NIOSH REL
TWA – 6
STEL – –
1,2-Benzenedicarboxylic acid, di-C9-11-branched alkyl esters, C10-rich
OSHA PEL
TWA – –
STEL – –
ACGIH TLV
TWA – –
STEL – –
NIOSH REL
TWA – –
STEL – –
Titanium dioxide (TiO2)
OSHA PEL
TWA –
[2]
15
[2]
STEL – –
ACGIH TLV
TWA – 10
STEL – –
NIOSH REL
TWA – –
STEL – –
Footnotes:
1. Mineral dusts
2. Total dust
ENGINEERING CONTROLS: Use process enclosures, local exhaust ventilation, or other engineering controls to control airborne levels below
recommended exposure limits.
PERSONAL PROTECTIVE EQUIPMENT
Page 3 of 6
TC-808 PART B
EYES AND FACE: Safety goggles or glasses are recommended. Plastic face shields should be used for complete face protection to protect
against possible splashing or spraying of material. ANSI Z87.1 or approved equivalent.
SKIN: Chemical-resistant gloves and chemical goggles, face-shield, and synthetic apron or coveralls should be used to prevent contact with
eyes, skin, or clothing. Wear nitrile or neoprene gloves. Chemical resistant gloves lined with polyethylene offer maximum protection.
RESPIRATORY: Exhaust ventilation recommended. An organic vapor cartridge or fresh air supplied respirator (NIOSH approved) may be
necessary for certain applications. Consider the type of application, environmental concentrations, and other materials being used concurrently
when determining respirator use and selection. Observe OSHA regulations for respirator use (29 CFR 1910.134).
PROTECTIVE CLOTHING: Protective clothing should be selected and used in accordance with “Guidelines for the Selection of Chemical
Protective Clothing” published by ACGIH.
WORK HYGIENIC PRACTICES: Contaminated clothing should be changed and washed before reuse. Eating, drinking and smoking in
immediate work area should be prohibited. Wash hands before eating.
OTHER USE PRECAUTIONS: Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower.
Training is important. Follow all label precautions.
9. PHYSICAL AND CHEMICAL PROPERTIES
PHYSICAL STATE: Liquid
ODOR: Mild
COLOR: White
pH: No data available
PERCENT VOLATILE: 0.15
FLASH POINT AND METHOD: > 176.7 C (350 F) Pensky-Martens CC
VAPOR PRESSURE: No data available
VAPOR DENSITY: No data available
BOILING POINT: No data available
SOLUBILITY IN WATER: Slightly soluble
SPECIFIC GRAVITY: 1.02 (water=1) at 25 C (77 F)
VISCOSITY #1: 300 Centipoise at 25 C (77 F)
(VOC): < 1.6 g/l Calculated. Theoretical VOC minus water and exempt solvents.
10. STABILITY AND REACTIVITY
REACTIVITY: Hazardous reactions will not occur under normal transport or storage conditions.
STABILITY: This product is stable under normal ambient conditions of temperature and pressure.
CONDITIONS TO AVOID: High temperatures, moisture, and freezing conditions.
POSSIBILITY OF HAZARDOUS REACTIONS: No data available
HAZARDOUS DECOMPOSITION PRODUCTS: Carbon monoxide, carbon dioxide, and nitrogen oxides.
INCOMPATIBLE MATERIALS: Isocyanates, strong acids, strong bases, and strong oxidizing agents.
11. TOXICOLOGICAL INFORMATION
ACUTE TOXICITY
Chemical Name ORAL LD50 DERMAL LD50 INHALATION LC 50
Polyether polyol mixture No data available No data available No data available
1,2-ethanediamine, polymer with 2-methyloxirane No data available No data available No data available
Hydroxy terminated poly(oxyalkylated) polyol 3280 mg/kg Rat> 2000 mg/kg Rabbit No data available
Silicon dioxide > 3300 mg/kg Rat> 5000 mg/kg Rat 0.139 mg/l Rat (4 h)
1,2-Benzenedicarboxylic acid, di-C9-11-branched alkyl esters, C10-
rich
> 10 g/kg Rat> 3.16 g/kg Rabbit> 0.13 mg/l Rat
Titanium dioxide (TiO2) > 10000 mg/kg Rat No data available> 6.82 mg/l Rat (4 h)
Naphthalene 490 mg/kg Rat 20000 mg/kg Rabbit> 0.4 mg/l Rat (4 h)
Page 4 of 6
TC-808 PART B
SKIN CORROSION/IRRITATION: No data available
SERIOUS EYE DAMAGE/IRRITATION: Causes serious eye irritation.
RESPIRATORY OR SKIN SENSITISATION: No data available
GERM CELL MUTAGENICITY: No data available
CARCINOGENICITY
Chemical Name NTP Status IARC Status
Silicon dioxide 3
Titanium dioxide (TiO2) 2B
Naphthalene 2 2B
REPRODUCTIVE TOXICITY: No data available
STOT-SINGLE EXPOSURE: No data available
STOT-REPEATED EXPOSURE: No data available
ASPIRATION HAZARD: No data available
12. ECOLOGICAL INFORMATION
ENVIRONMENTAL DATA: No data available
ECOTOXICOLOGICAL INFORMATION: No specific ecological data are available for this product. Refer to Section 6 for information
regarding accidental release and Section 15 for regulatory reporting information.
BIOACCUMULATION/ACCUMULATION: No data available
DISTRIBUTION: No data available
CHEMICAL FATE INFORMATION: No data available
13. DISPOSAL CONSIDERATIONS
DISPOSAL METHOD: The generation of waste should be avoided or minimized wherever possible. Empty containers or liners may retain some
product residues. This material and its container must be disposed of in a safe way. Dispose of surplus and non-recyclable products via a licensed
waste disposal contractor. Disposal of this product, solutions and any by-products should at all times comply with the requirements of
environmental protections and waste disposal legislation and any regional local authority requirements. Avoid dispersal of spilled material and
runoff and contact with soil, waterways, drains and sewers.
14. TRANSPORT INFORMATION
DOT (DEPARTMENT OF TRANSPORTATION): Not Regulated
AIR (ICAO/IATA): Not Regulated
VESSEL (IMO/IMDG): Not Regulated
15. REGULATORY INFORMATION
UNITED STATES
SARA TITLE III (SUPERFUND AMENDMENTS AND REAUTHORIZ ATION ACT)
311/312 HEALTH HAZARDS: Acute Health Hazard
313 REPORTABLE INGREDIENTS: This product does not contain any substances subject to the reporting requirements of Section 313 of
Title III of the Superfund Amendments and Reauthorization Act of 1986 and 40 CFR Part 372.
CERCLA (COMPREHENSIVE ENVIRONMENTAL RESPONSE, COMPE NSATION, AND LIABILITY ACT)
CERCLA REGULATORY: This product contains one or more substances regulated as a hazardous substance under the Comprehensive
Environmental Response Compensation and Liability Act (CERCLA) (40 CFR 302).
Chemical Name Wt.% CERCLA RQ
Naphthalene < 0.0015 100 lbs.
TSCA (TOXIC SUBSTANCE CONTROL ACT)
TSCA REGULATORY: This product does not contain any substances subject to TSCA Section 12(b) export notification.
TSCA STATUS: This product or its components are listed in or exempt from the TSCA inventory requirements.
Page 5 of 6
TC-808 PART B
OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION (OSHA )
29 CFR1910.119---PROCESS SAFETY MANAGEMENT OF HIGHL Y HAZARDOUS CHEMICALS: None of the chemicals in this
product are considered highly hazardous by OSHA.
CALIFORNIA PROPOSITION 65: WARNING: This product can expose you to chemicals including [see table below], which is [are]
known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to
www.P65Warnings.ca.gov.
Chemical Name Wt.% Listed
1,2-Benzenedicarboxylic acid, di-C9-11-branched alkyl esters, C10-rich 0.1 - 1 Developmental Toxicity
Titanium dioxide (TiO2) 0.1 - 1 Cancer
Naphthalene < 0.0015 Cancer
OSHA HAZARD COMM. RULE: The contents of the SDS comply with the OSHA Hazard Communication Standard 29 CFR 1910.1200.
CANADA
WHMIS (WORKPLACE HAZARDOUS MATERIALS INFORMATION SY STEM): This product has been classified according to the
hazard criteria of the CPR and the SDS contains all the information required by the CPR.
DOMESTIC SUBSTANCE LIST (INVENTORY): All components in this product are listed in or exempted from the Domestic Substances
List (DSL) or the Non-Domestic Substances List (NDSL).
GENERAL COMMENTS:
DIDP RESTRICTIONS: This product contains diisodecyl phthalate (DIDP), CAS# 68515-49-1 EINECS# 271-091-4. In the U.S., there is an
interim prohibition on DIDP above 0.1 percent by weight (one thousand parts per million) in toys intended for children age 12 and under that can
be placed in a child's mouth and child care articles for children age 3 and under [H.R. 4040, The Consumer Safety Improvement Act of 2008]. In
the EU, DIDP shall not be used as substance or as constituents of preparations, at concentrations of greater than 0.1 percent by weight (one
thousand parts per million) of the plasticized material, in toys and child care articles which can be place in the mouth by children. Such toys and
child care articles containing DIDP in concentrations greater than the limit mentioned above shall not be placed on the market [Directive
2005/84/EC].
16. OTHER INFORMATION
REASON FOR ISSUE: Revision
Date Revised: 11/12/2020
REVISION SUMMARY: This SDS replaces the 09/28/2017 SDS.
HMIS RATING
HEALTH 2
FLAMMABILITY 1
PHYSICAL HAZARD 0
PERSONAL PROTECTION X
NFPA CODES
1
2 0
HMIS RATINGS NOTES: Personal Protection: See Section 8
MANUFACTURER DISCLAIMER: This information is furnished without warranty, expressed or implied, except that is accurate to the best
knowledge of BJB Enterprises, Inc. The data on this sheet relates only to the specific material designated herein. BJB Enterprises, Inc. assumes
no legal responsibility for use or reliance upon this data.
Page 6 of 6
TC-808 PART B
by | Sep 27, 2025
SAFETY DATA SHEET
Date Issued : 01/10/2011
SDS No : TC-808 PART A
Date Revised : 11/12/2020
Revision No : 3
TC-808 PART A
1. PRODUCT AND COMPANY IDENTIFICATION
PRODUCT NAME: TC-808 PART A
GENERAL USE: Polyurethane resin
MANUFACTURER 24 HR. EMERGENCY TELEPHONE NUMBERS
BJB Enterprises, Inc.
14791 Franklin Avenue
Tustin, CA 92780
Emergency Phone: (714) 734-8450
CHEMTREC (USA & Canada): (800) 424-9300
or (703) 527-3887 CCN# 2820
2. HAZARDS IDENTIFICATION
GHS CLASSIFICATIONS
Health:
Acute Toxicity (Inhalation), Category 4
Skin Irritation, Category 2
Eye Irritation, Category 2A
Respiratory Sensitization, Category 1
Skin Sensitization, Category 1
Carcinogenicity, Category 2
Target Organ Toxicity (Single exposure), Category 3
Target Organ Toxicity (Repeated exposure), Category 2
GHS LABEL
Health hazard Exclamation
mark
SIGNAL WORD: DANGER
HAZARD STATEMENTS
H332: Harmful if inhaled.
H315: Causes skin irritation.
H319: Causes serious eye irritation.
H334: May cause allergy or asthma symptoms or breathing difficulties if inhaled.
H317: May cause an allergic skin reaction.
H351: Suspected of causing cancer.
H335: May cause respiratory irritation.
H373: May cause damage to organs through prolonged or repeated exposure.
PRECAUTIONARY STATEMENTS
Prevention:
P201: Obtain special instructions before use.
P202: Do not handle until all safety precautions have been read and understood.
P260: Do not breathe dust/fume/gas/mist/vapours/spray.
P271: Use only outdoors or in a well-ventilated area.
P284: In case of inadequate ventilation wear respiratory protection.
P264: Wash thoroughly after handling.
P272: Contaminated work clothing should not be allowed out of the workplace.
Page 1 of 6
P280: Wear protective gloves/protective clothing/eye protection/face protection.
Response:
P304+P340: IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P342+P311: If experiencing respiratory symptoms: Call a POISON CENTER/doctor/physician.
P302+P352: IF ON SKIN: Wash with plenty of soap and water.
P333+P313: If skin irritation or rash occurs: Get medical advice/attention.
P362+P364: Take off contaminated clothing and wash it before reuse.
P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue
rinsing.
P337+P313: If eye irritation persists: Get medical advice/attention.
P308+P313: IF exposed or concerned: Get medical advice/ attention.
Storage:
P403+P233: Store in a well-ventilated place. Keep container tightly closed.
P405: Store locked up.
Disposal:
P501: Dispose of contents/container in accordance with local/regional/national/international regulations.
3. COMPOSITION / INFORMATION ON INGREDIENTS
Chemical Name Wt.% CAS
4,4′-Diphenylmethane diisocyanate 30 – 60101-68-8
1,2-Benzenedicarboxylic acid, di-C9-11-branched alkyl esters, C10-rich 10 – 3068515-49-1
Benzene, 1,1′-methylenebis[isocyanato- 1 – 526447-40-5
4. FIRST AID MEASURES
EYES: Immediately flush with plenty of water. After initial flushing, remove any contact lenses and continue flushing for at least 15 minutes. Get
medical advice/attention.
SKIN: Immediately wash skin with soap and plenty of water. Remove contaminated clothing. Get medical advice/attention if irritation or rash
develops. Wash clothing before reuse.
INGESTION: If swallowed, call a physician immediately. Do not induce vomiting unless directed to do so by medical personnel. Provided the
patient is conscious, wash out mouth with water. Never give anything by mouth to an unconscious person.
INHALATION: Remove to fresh air. If not breathing, if breathing is irregular or if respiratory arrest occurs, provide artificial respiration or
oxygen by trained personnel. Get immediate medical attention.
NOTES TO PHYSICIAN: Symptomatic and supportive therapy as needed. Following severe exposure medical follow-up should be monitored
for at least 48 hours.
5. FIRE FIGHTING MEASURES
EXTINGUISHING MEDIA: Water spray, carbon dioxide, dry chemical, or foam.
HAZARDOUS COMBUSTION PRODUCTS: Carbon monoxide, carbon dioxide, nitrogen oxides, hydrocarbons, and hydrogen cyanide.
FIRE FIGHTING PROCEDURES: Cool fire exposed containers with water spray. Remove containers from the fire area if possible. Do not
release runoff from fire control methods to sewers or waterways.
FIRE FIGHTING EQUIPMENT: Firefighters should wear positive pressure self-contained breathing apparatus (SCBA) and consider use of
unmanned hose holders or monitor nozzles for fighting large fires.
6. ACCIDENTAL RELEASE MEASURES
SPILL AND LEAK PROCEDURES: Evacuate unnecessary personnel from the spill area. Wear necessary personal protective equipment (PPE)
as specified in the SDS or the site emergency response plan. Eliminate all sources of ignition. Ensure adequate ventilation. Dike and contain
spill. Prevent product from entering drains or waterways. Absorb with non-combustible material (such as sand, earth, diatomaceous earth, or
vermiculite) and transfer to a container for disposal according to local/national regulations.
ENVIRONMENTAL PRECAUTIONS
WATER SPILL: Do not discharge into drains, surface waters, or groundwater.
GENERAL PROCEDURES: Refer to section 8 of SDS for personal protection details.
Page 2 of 6
TC-808 PART A
RELEASE NOTES: Composition and extent of any spill should be evaluated against local regulations and reported to the proper agencies, if
necessary.
7. HANDLING AND STORAGE
GENERAL PROCEDURES: Avoid contact with eyes, skin and clothing. Use only with adequate ventilation. Avoid breathing vapor over open
containers. Avoid open container exposure to damp air. Avoid breathing aerosols, mists, and vapors.
HANDLING: Use appropriate personal protective equipment as specified in Section 8. Handle in a well-ventilated area. Handle and use in a
manner consistent with good industrial/manufacturing techniques and practices.
STORAGE: Store in a dry and well-ventilated place, away from excessive heat, in original or similar container. Avoid unnecessary contact.
Protect from freezing. Containers should be tightly sealed to prevent contamination with foreign materials.
STORAGE TEMPERATURE: 65-80 F (18-27 C)
SHELF LIFE: 6 months from date of shipment under manufacturers recommended storage conditions.
8. EXPOSURE CONTROLS / PERSONAL PROTECTION
EXPOSURE GUIDELINES
OSHA HAZARDOUS COMPONENTS (29 CFR1910.1200)
EXPOSURE LIMITS
Chemical Name Type ppm mg/m
3
4,4′-Diphenylmethane diisocyanate
OSHA PEL
TWA – –
STEL – –
C 0.02 0.2
ACGIH TLV
TWA 0.005 –
STEL – –
NIOSH REL
TWA 0.0050.05
STEL – –
C 0.02
[1]
0.2
[1]
1,2-Benzenedicarboxylic acid, di-C9-11-branched alkyl esters, C10-rich
OSHA PEL
TWA – –
STEL – –
ACGIH TLV
TWA – –
STEL – –
NIOSH REL
TWA – –
STEL – –
Benzene, 1,1′-methylenebis[isocyanato-
OSHA PEL
TWA – –
STEL – –
ACGIH TLV
TWA – –
STEL – –
NIOSH REL
TWA – –
STEL – –
Footnotes:
1. 10-minute
ENGINEERING CONTROLS: Use process enclosures, local exhaust ventilation, or other engineering controls to control airborne levels below
recommended exposure limits.
PERSONAL PROTECTIVE EQUIPMENT
EYES AND FACE: Safety goggles or glasses are recommended. Plastic face shields should be used for complete face protection to protect
Page 3 of 6
TC-808 PART A
against possible splashing or spraying of material. ANSI Z87.1 or approved equivalent.
SKIN: Chemical-resistant gloves and chemical goggles, face-shield, and synthetic apron or coveralls should be used to prevent contact with
eyes, skin, or clothing. Wear nitrile or neoprene gloves. Chemical resistant gloves lined with polyethylene offer maximum protection.
RESPIRATORY: Exhaust ventilation recommended. An organic vapor cartridge or fresh air supplied respirator (NIOSH approved) may be
necessary for certain applications. Consider the type of application, environmental concentrations, and other materials being used concurrently
when determining respirator use and selection. Observe OSHA regulations for respirator use (29 CFR 1910.134).
PROTECTIVE CLOTHING: Protective clothing should be selected and used in accordance with “Guidelines for the Selection of Chemical
Protective Clothing” published by ACGIH.
WORK HYGIENIC PRACTICES: Contaminated clothing should be changed and washed before reuse. Eating, drinking and smoking in
immediate work area should be prohibited. Wash hands before eating.
OTHER USE PRECAUTIONS: Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower.
Training is important. Follow all label precautions.
9. PHYSICAL AND CHEMICAL PROPERTIES
PHYSICAL STATE: Liquid
ODOR: Slight
COLOR: Pale yellow
pH: No data available
PERCENT VOLATILE: Nil
FLASH POINT AND METHOD: > 196.1 C (385 F) Pensky-Martens CC
VAPOR PRESSURE: No data available
VAPOR DENSITY: No data available
BOILING POINT: No data available
SOLUBILITY IN WATER: Reacts with water
SPECIFIC GRAVITY: 1.14 (water=1) at 25 C (77 F)
VISCOSITY #1: 90 Centipoise at 25 C (77 F)
(VOC): Nil
10. STABILITY AND REACTIVITY
REACTIVITY: Hazardous reactions will not occur under normal transport or storage conditions.
STABILITY: This product is stable under normal ambient conditions of temperature and pressure.
CONDITIONS TO AVOID: High temperatures, moisture, and freezing conditions.
POSSIBILITY OF HAZARDOUS REACTIONS: Reaction with water produces carbon dioxide. Exothermic reaction with materials containing
active hydrogen groups. The reaction becomes progressively more vigorous and can be violent at higher temperatures if the miscibility of the
reaction partners is good or is supported by stirring or by the presence of solvents. MDI is insoluble with, and heavier than water and sinks to the
bottom but reacts slowly at the interface. A solid water-insoluble layer of polyurea is formed at the interface by liberating carbon dioxide gas.
HAZARDOUS DECOMPOSITION PRODUCTS: Carbon monoxide, carbon dioxide, nitrogen oxides, hydrocarbons, and hydrogen cyanide.
INCOMPATIBLE MATERIALS: Water, strong bases, strong acids, strong oxidizing agents, alcohols, and amines.
11. TOXICOLOGICAL INFORMATION
ACUTE TOXICITY
Chemical Name ORAL LD50 DERMAL LD50 INHALATION LC 50
4,4′-Diphenylmethane diisocyanate
> 2000 mg/kg
Rat
> 9400 mg/kg
Rabbit
2.24 mg/l Rat (1 h,
dust/mist)
1,2-Benzenedicarboxylic acid, di-C9-11-branched alkyl esters, C10-
rich
> 10 g/kg Rat> 3.16 g/kg Rabbit > 0.13 mg/l Rat
Benzene, 1,1′-methylenebis[isocyanato-
> 2000 mg/kg
Rat
> 9400 mg/kg
Rabbit
2.24 mg/l Rat (1 h,
dust/mist)
SKIN CORROSION/IRRITATION: Causes skin irritation.
SERIOUS EYE DAMAGE/IRRITATION: Causes serious eye irritation.
Page 4 of 6
TC-808 PART A
RESPIRATORY OR SKIN SENSITISATION: May cause sensitization by inhalation and skin contact.
GERM CELL MUTAGENICITY: No data available
CARCINOGENICITY
Chemical Name IARC Status
4,4′-Diphenylmethane diisocyanate 3
REPRODUCTIVE TOXICITY: No data available
STOT-SINGLE EXPOSURE: May cause respiratory irritation.
STOT-REPEATED EXPOSURE: May cause damage to organs through prolonged or repeated exposure.
ASPIRATION HAZARD: No data available
12. ECOLOGICAL INFORMATION
ENVIRONMENTAL DATA: No data available
ECOTOXICOLOGICAL INFORMATION: No specific ecological data are available for this product. Refer to Section 6 for information
regarding accidental release and Section 15 for regulatory reporting information.
BIOACCUMULATION/ACCUMULATION: No data available
DISTRIBUTION: No data available
CHEMICAL FATE INFORMATION: No data available
13. DISPOSAL CONSIDERATIONS
DISPOSAL METHOD: The generation of waste should be avoided or minimized wherever possible. Empty containers or liners may retain some
product residues. This material and its container must be disposed of in a safe way. Dispose of surplus and non-recyclable products via a licensed
waste disposal contractor. Disposal of this product, solutions and any by-products should at all times comply with the requirements of
environmental protections and waste disposal legislation and any regional local authority requirements. Avoid dispersal of spilled material and
runoff and contact with soil, waterways, drains and sewers.
14. TRANSPORT INFORMATION
DOT (DEPARTMENT OF TRANSPORTATION): Not Regulated
AIR (ICAO/IATA): Not Regulated
VESSEL (IMO/IMDG): Not Regulated
15. REGULATORY INFORMATION
UNITED STATES
SARA TITLE III (SUPERFUND AMENDMENTS AND REAUTHORIZ ATION ACT)
311/312 HEALTH HAZARDS: Acute Health Hazard, Chronic Health Hazard
313 REPORTABLE INGREDIENTS: This product contains the following substances subject to the reporting requirements of Section 313
of Title III of the Superfund Amendments and Reauthorization Act of 1986 and 40 CFR Part 372:
EPCRA SECTION 313 SUPPLIER NOTIFICATION
Chemical Name Wt.% CAS Comments
4,4′-Diphenylmethane diisocyanate 30 – 60101-68-8Diisocyanate Compounds (Category Code N120)
CERCLA (COMPREHENSIVE ENVIRONMENTAL RESPONSE, COMPE NSATION, AND LIABILITY ACT)
CERCLA REGULATORY: This product contains one or more substances regulated as a hazardous substance under the Comprehensive
Environmental Response Compensation and Liability Act (CERCLA) (40 CFR 302).
Chemical Name Wt.% CERCLA RQ
4,4′-Diphenylmethane diisocyanate 30 – 60 5,000 lbs.
TSCA (TOXIC SUBSTANCE CONTROL ACT)
TSCA REGULATORY: This product does not contain any substances subject to TSCA Section 12(b) export notification.
TSCA STATUS: This product or its components are listed in or exempt from the TSCA inventory requirements.
OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION (OSHA )
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TC-808 PART A
29 CFR1910.119—PROCESS SAFETY MANAGEMENT OF HIGHL Y HAZARDOUS CHEMICALS: None of the chemicals in this
product are considered highly hazardous by OSHA.
CALIFORNIA PROPOSITION 65: WARNING: This product can expose you to chemicals including [see table below], which is [are]
known to the State of California to cause birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.
Chemical Name Wt.% Listed
1,2-Benzenedicarboxylic acid, di-C9-11-branched alkyl esters, C10-rich 10 – 30 Developmental Toxicity
OSHA HAZARD COMM. RULE: The contents of the SDS comply with the OSHA Hazard Communication Standard 29 CFR 1910.1200.
CANADA
WHMIS (WORKPLACE HAZARDOUS MATERIALS INFORMATION SY STEM): This product has been classified according to the
hazard criteria of the CPR and the SDS contains all the information required by the CPR.
DOMESTIC SUBSTANCE LIST (INVENTORY): All components in this product are listed in or exempted from the Domestic Substances
List (DSL) or the Non-Domestic Substances List (NDSL).
GENERAL COMMENTS:
DIDP RESTRICTIONS: This product contains diisodecyl phthalate (DIDP), CAS# 68515-49-1 EINECS# 271-091-4. In the U.S., there is an
interim prohibition on DIDP above 0.1 percent by weight (one thousand parts per million) in toys intended for children age 12 and under that can
be placed in a child’s mouth and child care articles for children age 3 and under [H.R. 4040, The Consumer Safety Improvement Act of 2008]. In
the EU, DIDP shall not be used as substance or as constituents of preparations, at concentrations of greater than 0.1 percent by weight (one
thousand parts per million) of the plasticized material, in toys and child care articles which can be place in the mouth by children. Such toys and
child care articles containing DIDP in concentrations greater than the limit mentioned above shall not be placed on the market [Directive
2005/84/EC].
16. OTHER INFORMATION
REASON FOR ISSUE: Revision
Date Revised: 11/12/2020
REVISION SUMMARY: This SDS replaces the 09/28/2017 SDS.
HMIS RATING
HEALTH * 2
FLAMMABILITY 1
PHYSICAL HAZARD 1
PERSONAL PROTECTION X
NFPA CODES
1
2 1
HMIS RATINGS NOTES: Personal Protection: See Section 8
MANUFACTURER DISCLAIMER: This information is furnished without warranty, expressed or implied, except that is accurate to the best
knowledge of BJB Enterprises, Inc. The data on this sheet relates only to the specific material designated herein. BJB Enterprises, Inc. assumes
no legal responsibility for use or reliance upon this data.
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TC-808 PART A
