Product ID:910-099 IFT MIL-C-27725B CLASS A TYPE
MSDS Date:04/07/1989
FSC:8010
NIIN:00F009146
MSDS Number: BYHRY

DESOTO INC

1700 S MOUNT PROSPECT
DES PLAINES, IL 60017-5000
US

Emergency Phone: 312-391-9000/312-391-9123

Info Phone: 312-391-9000/312-391-9123

Preparer: SHERRIE M STEVENSON

Cage: 62758

DESOTO INC

DES PLAINES, IL 60018-1804 US

Telephone: 708-391-9000

Cage: 62758

DIPHENYLMETHANEDIISOCYANATE (MDI), METHYLENE BIS

CAS: 101-68-8

RTECS: NQ9350000

Fraction By Weight: 45%

OSHA PEL 0.02 PPM

ACGIH TLV: 0.051 MG/CUM

EPA Report Quantity: 1 LB

DOT Report Quantity: 1 LB

AROMATIC POLYISOCYANATE

Fraction By Weight: 45%

2-BUTANONE (METHYL ETHYL KETONE) (MEK)

CAS: 78-93-3

RTECS: EL6475000

Fraction By Weight: 10%

OSHA PEL 200 PPM

ACGIH TLV: 590 MG/CUM

EPA Report Quantity: 5000 LBS

DOT Report Quantity: 5000 LBS

128 GMS/L

RTECS: 9999999VO

Routes of Entry: Inhalation:YES Skin:NO Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:INHALATION: NASAL & RESPIRATORY
IRRITANT & CNS DEPRESSION. ASPHYXIATION MAY RESULT FROM BREATHING
OXYGEN DEFICIENT AIR. ISOCYANATES: MAY CAUSE ALLERGIC SENSITIZATION
& IRRITATION TO MUCOUS MEMBRANE & RESPIRATORY TRACT. ASTHMA-LIKE
ATTACKS.SKIN: IRRITATION, DERMATITIS. SENSITIZATION IN SOME
INDIVIDUALS. (SEE SUPP)
Explanation of Carcinogenicity:NONE
Effects of Overexposure:IRRITATION, DIZZINESS, STAGGERING GAIT,
CONFUSION, UNCONSCIOUSNESS, ASPHYXIATION, TIGHTNESS IN CHEST,
COUGHING, HEADACHE, SHORTNESS OF BREATH, DEFATTING,NAUSEA,
VOMITING, DIARRHEA. OVEREXPOSURE TO SOL VENTS: CONCENTRATION
DIFFICULTIES, DIMINISHED MANUAL DEXTERITY, MEMORY LOSS.
Medical Cond Aggravated by Exposure:PRE-EXISTING SKIN, LUNG & EYE
CONDITIONS.

First Aid:INHALATION: REMOVE TO FRESH AIR. GIVE CPR/OXYGEN IF
NECESSARY. KEEP WARM & QUIET. SKIN: WASH W/SOAP & WATER. DON'T USE
SOLVENTS. EYES: FLUSH W/WATER FOR 15 MINS. OBTAIN MEDICAL ATTENTION
IN ALL CASES.

Flash Point:48F
Extinguishing Media:CO2, DRY CHEMICAL/FOAM
Fire Fighting Procedures:WATER SPRAY MAY BE INEFFECTIVE. COOL FIRE
EXPOSED CONTAINERS W/WATER. FOG NOZZLES ARE PREFERRED. WEAR
NIOSH/MSHA APPROVED SCBA & PROTECTIVE CLOTHING.
Unusual Fire/Explosion Hazard:VAPORS MAY ACCUMULATE IN INADEQUATELY
VENTILATED/CONFINED AREAS/FORM EXPLOSIVE MIXTURES W/AIR. MAY TRAVEL
LONG DISTANCES, FLASHBACK/FLAME TO HANDLING SITE.(SUPP

Spill Release Procedures:REMOVE ALL IGNITION SOURCES. WEAR PROTECTIVE
EQUIPMENT. USE NON-SPARKING TOOLS.SMALL: DIKE & ABSORB W/INERT
MATERIAL. COLLECT IN OPEN TOP DRUM & TAKE TO ISOLATED AREA
(OUTDOORS). FILL DRUM W/DECONTAMI NATION SOLUTION. NEUTRALIZE AREA
W/SOLUTION.
Neutralizing Agent:DECONTAMINATION SOLUTION: WATER (90-95%), DETERGENT
(2%) & AMMONIA (3-8%).

Handling and Storage Precautions:KEEP CONTAINERS TIGHTLY CLOSED & FROM
IGNITION SOURCES/TEMP >120F & MOISTURE. STORE FLAMMABLE LIQUIDS
IAW/NFPA CODES & GOVERNMENTAL REGULATIONS.
Other Precautions:GROUNDING & BONDING PROCEDURES SHOULD BE FOLLOWED
WHEN TRANSFERRING MATERIAL. IDEAL STORAGE TEMP RANGE IS 64-86F.
AVOID FREE FALL OF LIQUID. NO SMOKING WHERE USED/STORED. AVOID
SKIN/EYE CONTACT & BREA THING OF VAPORS. DON'T TAKE INTERNALLY.

Respiratory Protection:IN AREAS WHERE TLVS MAY BE EXCEEDED/IF SPRAY
MIST IS PRESENT, USE NIOSH/MSHA APPROVED RESPIRATOR. IN CONFINED
AREAS, USE NIOSH/MSHA APPROVED AIR SUPPLIED RESPIRATORS.
Ventilation:GENERAL DILUTION/LOCAL EXHAUST: TO KEEP LEVEL <
RECOMMENDED/REGULATED PEL LIMIT WHERE EMPLOYEES MAY BE EXPOSED.
Protective Gloves:CHEMICAL RESISTANT
Eye Protection:SAFETY GLASSES W/SIDE SHIELDS/GOGGLES
Other Protective Equipment:PROTECTIVE CLOTHING, SAFETY SHOWER, EYE
BATH, WASHING FACILITIES.
Work Hygienic Practices:REMOVE CONTAMINATED CLOTHING BEFORE REUSE.
PREVENT PROLONGED CONTACT W/CONTAMINATED CLOTHING.
Supplemental Safety and Health
FIRE HAZARD CONT'D: CLOSED CONTAINERS MAY EXPLODE WHEN EXPOSED TO
EXTREME HEAT. HEALTH HAZ CONT'D: EYES: IRRITANT. INGESTION: GI
IRRITANT. OVEREXPOSURE TO SOLVENTS MAY CAUSE PERMANENT BRAIN &
NERVOUS SYSTEM DAMAGE. DON'T INHALE THE VAPORS.DON'T
CUT/PUNCTURE/WELD ON/NEAR DRUM. EMPTY DRUMS MAY CONTAIN EXPLOSIVE
VAPORS.

Boiling Pt:B.P. Text:175-406F
Vapor Density:>1
Evaporation Rate & Reference:SLOWER THAN N-BU ACETATE
Appearance and Odor:LIQUID W/SOLVENT ODOR
Percent Volatiles by Volume:16

Stability Indicator/Materials to Avoid:YES
WATER, ALCOHOLS, AMINES & FOREIGN MATERIALS
Stability Condition to Avoid:MOISTURE, HEAT, SPARKS, FLAME, ELECTRICAL
EQUIP, TEMPS >MAXIMUM STORAGE TEMPS, HOT SURFACES & OTHER IGNITION
SOURCES
Hazardous Decomposition Products:CO, CO2, OXIDES OF NITROGEN, TRACES OF
HYDROGEN CYANIDE, ISOCYANATE MONOMER

Waste Disposal Methods:WHEN DISPOSING OF THIS MATERIAL, ENSURE IT IS
PACKAGED, STORED, TRANSPORTED & OTHERWISE MANAGED IAW/LOCAL, STATE
& FEDERAL REGULATIONS. AVOID CONTAMINATING GROUND/SURFACE WATERS.

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particular situation.