Product ID:D-403 DESMODUR IL
MSDS Date:06/14/1995
FSC:8030
NIIN:01-387-4398
MSDS Number: CDCMN

BAYER CORP PROD SAFETY & REGULATORY AFFAIRS

100 BAYER RD
PITTSBURGH, PA 15205-9741
US

Emergency Phone: 412-923-1800/412-777-2725

Info Phone: 800-662-2927

Preparer: B J GAMBINO

Cage: GO657

BAYER CORPORATION

PITTSBURGH, PA 15205-9741 US

Telephone: 800-662-2927; 202-483-7616

Cage: 19511

BUTYL ACETATE (N-BUTYL ACETATE) *96-3*

CAS: 123-86-4

RTECS: AF7350000

Fraction By Weight: <50%

OSHA PEL 150 PPM

ACGIH TLV: 150 PPM

EPA Report Quantity: 5000 LBS

DOT Report Quantity: 5000 LBS

2,4-TOLUENE DIISOCYANATE, HOMOPOLYMER

CAS: 26006-20-2

Fraction By Weight: <50%

TOLUENE-2,4-DIISOCYANATE (TDI) (ANIMAL CARCINOGEN BY IARC -

CAS: 584-84-9

RTECS: CZ6300000

Fraction By Weight: <0.2%

OSHA PEL 0.005 PPM

ACGIH TLV: 0.005 PPM

EPA Report Quantity: 100 LBS

DOT Report Quantity: 100 LBS

LD50 LC50 Mixture:ORAL LD50(RAT): >5000 MG/KG
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:YES OSHA:NO
Health Hazards Acute and Chronic:INHALATION: RESPIRATORY TRACT
IRRITATION/PULMONARY EDEMA/CHEMICAL HYPERSENSITIVE
PNEUMONITIS/SENSITIZATION. SKIN:
IRRITATION/DERMATITIS/SENSITIZATION. EYES: SEVERE
IRRITATION/CORNEAL DAMAGE/CONJUNCTIV ITIS. INGESTION: IRRITATION OF
MOUTH/STOMACH TISSUE/DIGESTIVE TRACT. VOMITING CAUSES ASPIRATION &
CHEMICAL PNEUMONITIS.
Explanation of Carcinogenicity:SEE INGREDIENTS.
Effects of Overexposure:IRRITATION, RUNNY NOSE, SORE THROAT, COUGHING,
CHEST DISCOMFORT, SHORTNESS OF BREATH, REDUCED LUNG FUNCTION,
FEVER, CHILLS, HEADACHE, NAUSEA, NARCOSIS, FATIGUE, REDDENING,
SWELLING, RASH, SCALING, BLI STERING, DRYING/DEFATTING/CRACKING,
PAIN, TEARING, ABDOMINAL PAIN, VOMITING, DIARRHEA, LOSS OF
MEMORY/COORDINATION.
Medical Cond Aggravated by Exposure:ASTHMA, BRONCHITIS, EMPHYSEMA,
BRONCHIAL HYPERREACTIVITY, SKIN ALLERGIES, ECZEMA.

First Aid:EYES: FLUSH W/CLEAN, LUKEWARM WATER (LOW PRESSURE) FOR 15
MINS. SKIN: WASH W/SOAP/TINCTURE OF GREEN SOAP & WATER FOR 15 MINS.
INHALATION: REMOVE TO FRESH AIR. GIVE OXYGEN/CPR IF NEEDED.
INGESTION: DON 'T INDUCE VOMITING. ASPIRATION HAZARD. GIVE A GLASS
OF MILK/WATER TO DRINK. DON'T GIVE ANYTHNG BY MOUTH TO AN
UNCONSCIOUS PERSON. OBTAIN MEDICAL ATTENTION IN ALL CASES. (SEE
SUPP)

Flash Point Method:SCC
Flash Point:88F
Lower Limits:1.3 (SUPP)
Upper Limits:7.6 (SUPP)
Extinguishing Media:DRY CHEMICAL, CO2, FOAM. LARGE: WATER SPRAY.
Fire Fighting Procedures:WEAR SCBA & FULL PROTECTIVE CLOTHING: RUBBER
GLOVES/BOOTS/BANDS AROUND LEGS/ARMS & WAIST
Unusual Fire/Explosion Hazard:CLOSED CONTAINER MAY EXPLODE IF EXPOSED
TO EXTREME HEAT/BURST IF CONTAMINATED W/WATER. SOLVENT VAPORS >AIR,
MAY TRAVEL TO DISTANT IGNITION SOURCE & FLASHBACK.

Spill Release Procedures:EVACUATE & VENTILATE AREA. REMOVE IGNITION
SOURCES. WEAR APPROPRIATE PROTECTIVE CLOTHING. DIKE/IMPOUND. COVER
W/SAWDUST/VERMICULITE/FULLER'S EARTH/OTHER ABSORBENT MATERIAL.
DECONTAMINATE. COLLECT IN O PEN CONTAINERS & REMOVE TO SAFE PLACE.
Neutralizing Agent:AMMONIUM HYDROXIDE 0-10%, DETERGENT 2-5%, WATER
85-98%/TERGITOL 20% & WATER 80%.

Handling and Storage Precautions:KEEP AWAY FROM IGNITION SOURCES. STORE
IN TIGHTLY CLOSED CONTAINERS. DON'T RESEAL IF CONTAMINATION IS
SUSPECTED.
Other Precautions:GROUND CONTAINER DURING STORAGE & TRANSFER
OPERATIONS. PREVENT ALL CONTACT. DON'T BREATHE VAPORS. DON'T
HEAT/CUT EMPTY CONTAINER W/ELECTRIC/GAS TORCH. HANDLE EMPTY
CONTAINERS W/CARE DUE TO PRODUCT RES IDUE & FLAMMABLE SOLVENT
VAPOR.

Respiratory Protection:WEAR RECOMMENDED/APPROVED AIR PURIFYING/FRESH
AIR SUPPLIED RESPIRATOR FOR USE IN ISOCYANATE CONTAINING
ENVIRONMENTS. WEAR A POSITIVE PRESSURE SUPPLIED AIR RESPIRATOR IF
AIRBORNE ISOCYANATE CONCENTRATI ON UNKNOWN/SPRAYING IN CONFINED
AREAS.
Ventilation:EXHAUST SUFFICIENT TO KEEP AIRBORNE CONCENTRATIONS OF
SOLVENTS & TOLUENE DIISOCYANTES Protective Gloves:BUTYL RUBBER/NITRILE RUBBER
Eye Protection:LIQUID CHEMICAL GOGGLES/FULL FACE SHIELD
Other Protective Equipment:APPROPRIATE CLOTHING. IF CREAMS USED, KEEP
AREA COVERED ONLY BY CREAM TO A MINIMUM.
Work Hygienic Practices:REMOVE/LAUNDER CONTAMINATED CLOTHING BEFORE
REUSE. CONTACT LENSES SHOULDN'T BE WORN.
Supplemental Safety and Health
BOILING POINT, VAPOR PRESSURE, LOWER & UPPER EXPLOSIVE LIMIT
INFORMATION IS FORM N-BUTYL ACETATE. NOTES TO PHYSICIAN: STAIN EYES
FOR EVIDENCE OF CORNEAL DAMAGE. IF BURNED, INSTILL ANTIBIOTIC
STEROID P REPARATION FREQUENTLY. SKIN: TREAT AS CONTACT DERMATITIS.
IF BURNED, TREAT AS THERMAL BURN.

Boiling Pt:B.P. Text:260F (SUPP)
Vapor Pres:10 (SUPP)
Spec Gravity:1.09
Solubility in Water:INSOLUBLE
Appearance and Odor:CLEAR YELLOW LIQUID W/SOLVENT ODOR.
Percent Volatiles by Volume:62

Stability Indicator/Materials to Avoid:YES
WATER, ALCOHOLS, AMINES, STRONG BASES, METAL COMPOUNDS, SURFACE ACTIVE
MATERIALS.
Stability Condition to Avoid:HIGH HEAT, MOISTURE & OTHER IGNITION
SOURCES.
Hazardous Decomposition Products:BY FIRE: CO, CO2, OXIDES OF NITROGEN,
HYDROGEN CYANIDE, TOLUENE DIISOCYANATE.

Waste Disposal Methods:DISPOSE OF LIQUIDS BY INCINERATION. DISPOSE OF
SOLIDS BY INCINERATION/LANDFILL. DISPOSE OF IAW/FEDERAL, STATE &
LOCAL REGULATIONS. DECONTAMINATE CONTAINERS PRIOR TO DISPOSAL.
FLAMMABLE LIQUID UN1866.

Disclaimer (provided with this information by the compiling agencies):
This information is formulated for use by elements of the Department
of Defense. The United States of America in no manner whatsoever,
expressly or implied, warrants this information to be accurate and
disclaims all liability for its use. Any person utilizing this
document should seek competent professional advice to verify and
assume responsibility for the suitability of this information to their
particular situation.