Product ID:URETHANE, U2500
MSDS Date:02/22/1994
FSC:6810
NIIN:00N055558
MSDS Number: CDMSF

SIGMA CHEMICAL CO

ST LOUIS, MO 63178
US

Emergency Phone: 314-771-5765

Info Phone: 314-771-5765

Cage: 21076

SIGMA CHEMICAL COMPANY

14508 ST LOUIS, MO 63178 US

Telephone: 314-771-5765

Cage: 21076

CARBAMIC ACID, ETHYL ESTER; (URETHANE) (SARA 313) (CERCLA)

CAS: 51-79-6

RTECS: FA8400000

OSHA PEL N/K

ACGIH TLV: N/K

EPA Report Quantity: 100 LBS

DOT Report Quantity: 100 LBS

MUSCULOSKELETAL SYS; CVS; BLOOD & LYMPHATIC SYS;

RTECS: 9999999ZZ

RETICULOENDOTHELIAL SYS), TUMORIGENIC EFTS (OVARIAN

RTECS: 9999999ZZ

(STILLBIRTH; BIOCHEMICAL & METABOLIC), TUMORIGENIC

RTECS: 9999999ZZ

EQUIVOCAL TUMORIGENIC AGENT BY RTECS CRITERIA; APPEAR

RTECS: 9999999ZZ

TO BE CARCINOGEN.

RTECS: 9999999ZZ

LD50 LC50 Mixture:LD50:(ORAL,RAT) 1809 MG/KG.
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:YES IARC:YES OSHA:NO
Health Hazards Acute and Chronic:ACUTE:HARMFUL IF SWALLOWED,
INHALED/ABSORBED THRU SKIN. CAUSES EYE & SKIN IRRIT. MATL IS IRRIT
TO MUC MEMBS & UPPER RESP TRACT. CAN CAUSE CNS DEPRESS.
CHRONIC:CARCIN. MAY ALTER GENETIC MATL. TARGET OR G(S):LIVER, BONE
MARROW, CNS, IMMUNE SYS. ADDNL INFO:CAUSES DEPRESS OF BONE MARROW &
OCCAS FOCAL (EFTS OF OVEREXP)
Explanation of Carcinogenicity:ETHYL CARBAMATE:IARC MONOGRAPHS, SUPP,
VOL 7, PG 56, 1987:GROUP 2B. NTP 7TH ANNUAL REPORT ON CARCINS,
1994:ANTIC (ING 6)
Effects of Overexposure:HLTH HAZ:DEGENERATION IN BRAIN, CAN ALSO PRDCE
CNS DEPRESS, NAUS & VOMIT. TARGET ORG DATA:SENSE ORGS & SPECIAL
SENSES (TUMORS), LUNGS, THORAX/RESP (TUMORS; BRONCHOGENIC
CARCINOMA), GI (PERITONITIS; TU MORS), LIVER (TUMORS), BLOOD
(LYMPHOMA INCL HODGKIN'S DISEASE), SKIN & APPENDAGES (TUMORS), EFTS
ON FERTILITY (SUPDAT)
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

First Aid:EYES:IMMED FLUSH W/COPIOUS AMTS OF WATER FOR AT LST 15 MINS.
SKIN:IMMED FLUSH W/COPIOUS AMTS OF WATER FOR AT LST 15 MINS WHILE
REMOVING CONTAM CLTHG & SHOES. DISCARD CONTAM CLTHG & SHOES.
INHAL:REMOVE TO FRESH AIR. IF NOT BRTHG GIVE ARTF RESP. IF BRTHG
IS DFCLT, GIVE OXYG. INGEST:WASH OUT MOUTH W/WATER PROVIDED PERSON
IS CONSCIOUS. CALL MD.

Flash Point:198F,92C
Extinguishing Media:WATER SPRAY, CARBON DIOXIDE, DRY CHEMICAL POWDER OR
APPROPRIATE FOAM.
Fire Fighting Procedures:USE NIOSH APPROVED SCBA & FULL PROTECTIVE
EQUIPMENT .
Unusual Fire/Explosion Hazard:EMITS TOXIC FUMES UNDER FIRE CONDITIONS.

Spill Release Procedures:EVACUATE AREA. WEAR NIOSH APPRVD SCBA, RUBBER
BOOTS & HEAVY RUBBER GLOVES. WEAR DISPOSABLE COVERALLS & DISCARD
THEM AFTER USE. SWEEP UP, PLACE IN A BAG & HOLD FOR WASTE DISP.
VENT AREA & WASH SPILL SI TE AFTER MATL PICKUP IS COMPLETE.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:DO NOT BREATHE DUST. AVOID ALL
CONTACT. CARCINOGEN. MAY CAUSE CANCER. MUTAGEN. IRRITANT. HARMFUL
SOLID. STORE IN A COOL, DRY PLACE. TOXIC.
Other Precautions:MAY CAUSE HERITABLE GENETIC DMG. HARMFUL BY INHAL, IN
CONT W/SKIN & IF SWALLOWED. IRRIT TO EYES, RESP SYS & SKIN. IF YOU
FEEL UNWELL, SEEK MED ADVICE (SHOW LBL WHERE POSS). KEEP CNTNR
TIGHTLY CLSD IN A COOL WELL VENTILATED PLACE.

Respiratory Protection:WEAR APPROPRIATE NIOSH APPROVED RESPIRATOR.
Ventilation:USE ONLY IN A CHEMICAL FUME HOOD.
Protective Gloves:CHEMICAL-RESISTANT GLOVES.
Eye Protection:ANSI APPROVED CHEM WORKERS GOGGS(SUPDAT)
Other Protective Equipment:EYE WASH FOUNTAIN & DELUGE SHOWER WHICH MEET
ANSI DESIGN CRITERIA . WEAR OTHER SUITABLE PROTECTIVE CLOTHING.
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health
MATLS TO AVOID:SALOL/THYMOL. EYE PROT:& FULL LGTH FCSHLD . EFTS OF
OVEREXP:(POST-IMPLANTATION MORTALITY; LITTER SIZE; OTHER MEASURES
OF FERTILITY), EFTS ON EMBRYO/FETUS (CYTOLOGICAL CHANGES; FET
OTOXICITY; FETAL DEATH), SPECIFIC DEVELABNORMS (CNS; EYE, EAR;
CRANIOFACIAL; SKIN & SKIN APPENDAGES; (ING 2)

Boiling Pt:B.P. Text:>360F,>182C
Melt/Freeze Pt:M.P/F.P Text:>119F,>49C
Vapor Pres:10 @ 77.8C
Vapor Density:3.07
Appearance and Odor:WHITE CRYSTALLINE POWDER.

Stability Indicator/Materials to Avoid:YES
STRONG OXIDIZING AGENTS, STRONG ACIDS, STRONG BASES. INCOMPAT
W/ANTIPYRINE, CHLORAL HYDRATE, CAMPHOR, MENTHOL, (SUPDAT)
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:TOXIC FUMES OF: CARBON MONOXIDE,
CARBON DIOXIDE, NITROGEN OXIDES.

Waste Disposal Methods:DISSOLVE OR MIX MATERIAL W/COMBUSTIBLE SOLVENT &
BURN IN A CHEMICAL INCINERATOR EQUIPPED W/AFTERBURNER & SCRUBBER.
OBSERVE ALL FEDERAL, STATE & LOCAL ENVIRONMENTAL REGULATIONS. RCRA
WASTE NUMBER U238.

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