HAZARD RATINGS HMIS
MATERIAL SAFETY DATA SHEET Health 2
Flammability 2
Reactivity 0
PPE X
1 CHEMICAL PRODUCT & COMPANY IDENTIFICATION
Product A12623
MSDS Name BOST 920 WHITE 24/10.3
CAS # Mixture
Generic Description Polyurethane Sealant/Adh
Manufacturer BOSTIK FINDLEY, INC.
211 Boston Street
Middleton , MA 01949 USA
24 Hour Emergency Assistance
Phone: 1-800-227-0332
General Assistance
Phone: 1-978-777-0100
MSDS Assistance
Phone: 1-978-777-0100
2 COMPOSITION / INFORMATION ON INGREDIENTS
Component CAS Number Percentage
XYLENE 1330-20-7 3-7
Methylene Bisphenol Isocyanate (MDI) 101-68-8 0.1 - 1
ETHYL BENZENE 100-41-4 0.5 - 1.5
Non-hazardous and other ingredients below reportable Proprietary Balance
levels
3 HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW
This product contains materials that on exposure could cause irritation and minor residual injury even if no
treatment is provided. This product is stable under normal conditions but will react slightly with water to release
some heat and carbon dioxide. The reaction is not violent.
POTENTIAL HEALTH EFFECTS
Skin Contact: Skin contact may cause irritation. A component of this product is a potential skin sensitizer.
Repeated skin contact may cause a persistent irritation or dermatitis.
Eye Contact: May cause irritation with temporary redness with stinging and tearing.
Inhalation: Inhalation of hot mist may cause respiratory irritation. Prolonged or repeated exposure may cause
asthmatic or other pulmonary responses.
Ingestion: Exposure is unlikely. This product can cause gastrointestinal irritation, nausea, vomiting, and diarrhea.
TARGET ORGANS
Skin. Eyes. Lungs.
MSDS Number 16960 Product A12623
1/7
Label Number 16960 NA = Not Available ND = Not Determined
4 FIRST AID MEASURES
SKIN
Remove contaminated clothing to prevent further skin exposure and dispose of properly. Wash affected skin
thoroughly with soap and water. For minor exposures, flush exposed skin for at least 15 minutes with clean water.
Once thoroughly washed, seek medical attention if irritation develops or persists after the area is washed.
EYE
Immediately flush with plenty of water for at least 15 minutes, holding eyelids open at all times. Get medical
attention immediately. See Notes to Physician.
INHALATION
Remove to fresh air. Give artificial respiration if not breathing. If symptoms persist, get medical attention.
INGESTION
No harmful effect is anticipated. If ingested, get immediate medical attention. Do not induce vomiting unless
instructed to do so by medical personnel. If victim is conscious and not convulsing give 1 or 2 glasses of water to
dilute the chemical. Never give anything by mouth to a victim who is unconscious or is having convulsions.
NOTES TO PHYSICIAN
Treat symptomatically and supportively. Contact Bostik Findley to determine whether any additional information is
available.
5 FIRE FIGHTING MEASURES
EXTINGUISHING MEDIA
Use dry chemical, carbon dioxide, or foam. Use water spray on large fires.
DUST EXPLOSION HAZARD
None Known
SENSITIVITY TO MECHANICAL IMPACT
None Known
SENSITIVITY TO STATIC DISCHARGE
None Known
UNUSUAL FIRE & EXPLOSION HAZARDS
This product is classified as a Combustible Liquid. Containers may explode in a fire. Product may burn and
produce toxic gases in a fire.
FIRE FIGHTING EQUIPMENT/INSTRUCTIONS
Firefighters should wear full protective clothing including self contained breathing apparatus.
Flash Point 160 F (71 C)
Autoignition Point 924 F (496 C)
Lower Explosive Limit 1%
Upper Explosive Limit 7%
MSDS Number 16960 Product A12623
2/7
Label Number 16960 NA = Not Available ND = Not Determined
6 ACCIDENTAL RELEASE MEASURES
EMERGENCY ACTION
Appropriate safety measures and protective equipment should be used. See Section 8.
CONTAINMENT
Isolate spill area. Stop discharge if safe to do so. Stop material from contaminating soil or from entering sewers or
water streams. Scrape up polyurethane and deposit into appropriate containers.
7 HANDLING & STORAGE
For Commercial Use Only - Not Packaged or Labeled for Home Use!
HANDLING
Avoid contact with skin and eyes. Wash thoroughly after handling. Use this product with adequate ventilation.
STORAGE
Store in a cool, dry, well-ventilated area away from heat, ignition sources and direct sunlight. Keep containers
tightly closed unless the product has become moisture contaminated.
EMPTY CONTAINER PRECAUTION
Attention! Follow label warnings even after container is emptied since empty containers may retain product
residues. Do not reuse empty container without professional cleaning for food, clothing, or products for human or
animal consumption, or where skin contact can occur.
8 EXPOSURE CONTROLS / PERSONAL PROTECTION
ENGINEERING CONTROLS
Use local exhaust ventilation when vapors, mists, or dusts can be released in concentrations above the TLV.
Local exhaust is preferred, but general ventilation may be acceptable to meet exposure limits.
EYE PROTECTION: PERSONAL PROTECTION EQUIPMENT (PPE)
Wear safety glasses with side shields.
SKIN PROTECTION: PERSONAL PROTECTION EQUIPMENT (PPE)
Cover as much of exposed skin as possible. Wear protective clothing that provides protection against skin
exposure. Wear chemical resistant gloves and clothing.
RESPIRATORY PROTECTION: PERSONAL PROTECTION EQUIPMENT (PPE)
Avoid breathing vapor and/or mists. If airborne concentrations are above the applicable exposure limits, use
NIOSH approved respiratory protection. High airborne concentrations may necessitate the use of self-contained
breathing apparatus (SCBA) or a supplied air respirator.
GENERAL
Eyewash fountains and emergency showers should be readily available. Use good industrial hygiene practices in
handling this material.
MSDS Number 16960 Product A12623
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Label Number 16960 NA = Not Available ND = Not Determined
EXPOSURE LIMITS
ACGIH 2000 - Time Weighted Averages
4,4'-METHYLENEDIPHENYL 101-68-8 0.005 ppm TWA
DIISOCYANATE;
DIPHENYLMETHANE-4,4'-DI
ETHYL BENZENE 100-41-4 100 ppm TWA
XYLENES (O-, M-, P- ISOMERS) 1330-20-7 100 ppm TWA
OSHA - Vacated PELs - Ceiling Limits
4,4'-METHYLENEDIPHENYL 101-68-8 C 0.02 ppm; C 0.2 mg/m3
DIISOCYANATE;
DIPHENYLMETHANE-4,4'-DI
OSHA - Vacated PELs - Time Weighted Averages
ETHYL BENZENE 100-41-4 100 ppm TWA; 435 mg/m3 TWA
XYLENES (O-, M-, P- ISOMERS) 1330-20-7 100 ppm TWA; 435 mg/m3 TWA
9 PHYSICAL & CHEMICAL PROPERTIES
Vapor Pressure 5.1
Vapor Density 3.7
Solubility In Water 0%
Target Solids 90.5 %
pH N/A
Density 1.21 g/cc
Odor SOLVENT
Color Various
Physical State Paste
Freeze Protect No
10 STABILITY & REACTIVITY
STABILITY/INCOMPATABILITY
Stable under normal conditions.
HAZARDOUS REACTIONS/DECOMPOSITION PRODUCTS
If product is burned carbon monoxide, carbon dioxide, oxides of nitrogen, amines, isocyanate-containing
compounds and other unknown products may be produced.
HAZARDOUS POLYMERIZATION
Not likely to occur. However, curing of product releases carbon dioxide. If curing occurs inside a closed container,
pressure buildup may result.
CONDITIONS TO AVOID
Avoid contact with Strong Oxidizers, Strong Alkalis, Strong Acids, Alcohols, and Water.
11 TOXICOLOGICAL INFORMATION
MSDS Number 16960 Product A12623
4/7
Label Number 16960 NA = Not Available ND = Not Determined
LD50
NIOSH - Selected LD50s and LC50s
4,4'-METHYLENEDIPHENYL 101-68-8 Inhalation LC50 Rat : 178 mg/m3; Oral LD50 Rat : 9200
DIISOCYANATE; mg/kg; Oral LD50 Mouse : 2200 mg/kg
DIPHENYLMETHANE-4,4'-DI
ETHYL BENZENE 100-41-4 Oral LD50 Rat : 3500 mg/kg; Dermal LD50 Rabbit : 17800
uL/kg
XYLENES (O-, M-, P- ISOMERS) 1330-20-7 Inhalation LC50 Rat : 5000 ppm/4H; Oral LD50 Rat : 4300
mg/kg; Dermal LD50 Rabbit : >1700 mg/kg
CARCINOGENICITY
This product contains Methylene Diphenyl Isocyanate (MDI). MDI is not listed by the NTP, IARC or regulated by
OSHA as a carcinogen. However, it has been shown to alter cells in certain experiments. Although inconclusive,
these cellular changes are thought to indicate potential carcinogenicity.
IARC - Group 2B (Possibly carcinogenic to humans)
ETHYL BENZENE 100-41-4 Monograph 77, 2000
OSHA - Possible Select Carcinogens
ETHYL BENZENE 100-41-4 Monograph 77, 2000; {IARC - Group 2B (Possibly
carcinogenic to humans)}
12 ECOLOGICAL INFORMATION
VOC (Volatile Organic Compounds) 114 g/l
ECOTOXICOLOGICAL INFORMATION
Organic solvents produce slight to moderate toxicity to aquatic life. Insufficient data exists to evaluate the effect on
plants, birds or land animals.
13 DISPOSAL CONSIDERATIONS
We make no guarantee or warranty of any kind that the use or disposal of this product complies with all local,
state, or federal laws. It is also the obligation of each user of the product mentioned herein to determine and
comply with the requirements of all applicable statutes.
WASTE DISPOSAL
This product is not known to be regulated under RCRA regulations but contains SARA regulated substances.
Disposal of unused portions of this product and process waste containing this product should be done only after a
careful evaluation and in compliance with all federal, local and state laws.
14 TRANSPORT INFORMATION
Proper Shipping Name Not Regulated
Hazard Class Not Applicable
DOT Restrictions Not Applicable
15 REGULATORY INFORMATION
This MSDS is prepared and distributed pursuant to the Federal Hazard Communication Standard, 29 CFR
1910.1200.
MSDS Number 16960 Product A12623
5/7
Label Number 16960 NA = Not Available ND = Not Determined
FEDERAL REGULATIONS
All components are on the U.S. EPA TSCA Inventory List.
CERCLA/SARA - Hazardous Substances and their Reportable Quantities
4,4'-METHYLENEDIPHENYL 101-68-8 final RQ = 5000 pounds (2270 kg)
DIISOCYANATE;
DIPHENYLMETHANE-4,4'-DI
ETHYL BENZENE 100-41-4 final RQ = 100 pounds (45.4 kg)
XYLENES (O-, M-, P- ISOMERS) 1330-20-7 final RQ = 100 pounds (45.4 kg)
Based on an evaluation of the components used, this product does contain hazardous ingredients
identified as per 29 CFR 1910.1200.
STATE REGULATIONS
If this product contains any ingredients listed under California Proposition 65, they will be noted below:
INTERNATIONAL REGULATIONS
This is a "controlled product" under the Canadian Workplace Hazardous Materials Information System (WHMIS).
Class D Division 2 Sub-division B. and Class B Division 3
SARA 302 EXTREMELY HAZARDOUS SUBSTANCES
Not Regulated
SARA 311/312 HAZARD CATEGORIES
Immediate Hazard Yes
Delayed Hazard Yes
Fire Hazard No
Pressure Hazard No
Reactivity Hazard No
SARA 313 TOXIC CHEMICALS
Component CAS Number Percentage
XYLENE 1330-20-7 3-7
Methylene Bisphenol Isocyanate (MDI) 101-68-8 0.1 - 1
ETHYL BENZENE 100-41-4 0.5 - 1.5
WHMIS RATINGS
Compressed Gas Flammable/Combustible X Oxidizer Acutely Toxic
Other Toxic Effects X Bio Hazardous Corrosive Dangerously Reactive
16 OTHER INFORMATION
DISCLAIMER
The data in this MSDS has been compiled from publicly available sources. This data relates only to the
designated product and not to the use of said product in combination with other materials. All materials may
present unknown hazards and should be used with caution. Although certain hazards are described herein, we
cannot guarantee that these are the only hazards which exist. Responsibility for proper precautions and safe use
of the product lies with the user. All data in this MSDS is typical of the product as a whole, and does not
represent any individual lot or batch, therefore, Bostik Findley, Inc. makes no warranty about the accuracy of the
data herein and assumes no liability for the use of such data. It is the responsibility of the user to comply with all
applicable federal, state, and local laws and regulations.
MSDS Number 16960 Product A12623
6/7
Label Number 16960 NA = Not Available ND = Not Determined
Issue Date 15-Nov-2001 Supercedes New
Prepared By Russell Hardenber
MSDS Number 16960 Product A12623
7/7
Label Number 16960 NA = Not Available ND = Not Determined
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