Product ID:CASTALL U-2020FR ISOCYANATE
MSDS Date:06/24/1993
FSC:8010
NIIN:00N050677
Kit Part:Y
MSDS Number: BVJZR

Emergency Phone: 800-424-9300 (CHEMTREC)

Info Phone: 617-337-6075

Preparer: J C HEMLIN

Cage: DO809

Telephone: 617-337-6075

Cage: 29966

NO INGREDIENT FOR THIS FORMULATION_INGREDIENT

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:INHAL:INHAL OF MDI VAP/AEROSOLS IN
CONC ABOVE 0.02 PPM CAN PRODUCE IRRIT OF MUC MEMB IN RESP TRACT,
RUNNING NOSE, SORE THROAT, PRODUCTIVE COUGH & REDUCTION IN LUNG
FUNCTION. EXTENSIVE EXPOS TO CONC WE LL ABOVE TLV COULD LEAD TO
BRONCH, BRONCHIAL SPASM & PULM EDEMA. THESE EFFECTS ARE USUALLY
REVERSIBLE. (EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT.
Effects of Overexposure:HLTH HAZ:HOWEVER, DUE TO LOW VOLATILITY, HIGH
EXPOS ARE NOT ANTIC EXCEPT IF MATL IS OVERHEATED/SPRAYED AS AN
AEROSOL INTO AIR. HYPERSENS PNEUM HAS ALSO BEEN RPTD. ANOTHER TYPE
OF RESPONSE IS HYPERREAC T/HYPERSENSITIZATION. SKIN:POLYMERIC MDI
REACTS W/SKIN PROTEIN & TISS MOISTURE & CAN CAUSE LOCALIZED IRRIT
AS (SUPDAT)
Medical Cond Aggravated by Exposure:PERSONS W/PREEXISTING UNSPECIFIC
BRONCH HYPERACT/PERSONS W/ SPECIFIC ISOCYANATE HYPERSENS (AS RSLT
OF PREVIOUS RPTED OVEREXP/SINGLE LG DOSAGE) WILL RESPOND TO SM
ISOCYANATE CONC AT LEV WELL (ING 6)

First Aid:EYE:FLUSH W/CLEAN, LUKE WARM WATER (LOW PRESS) FOR @ LEAST 15
MIN, OCCASNLY LIFTING EYELIDS, & OBTAIN MED ATTN. SKIN:REMOVE
CONTAM CLTHG. WASH AFFECTED AREAS THORO W/SOAP & WATER. WASH CONTAM
CLTHG TH ORO BEFORE REUSE. INHAL:MOVE TO AREA FREE FROM RISK OF
FURTHER EXPOS. ADMIN OXYG/ARTF RESP AS NEEDED. OBTAIN MED ATTN.
ASTHMATIC-TYPE SYMP MAY DEVELOP & MAY BE IMMED/DELAYED UP TO
SEVERAL (ING 7)

Flash Point Method:PMCC
Flash Point:>350F,>177C
Extinguishing Media:DRY CHEM (E.G. MONOAMMONIUM PHOSPHATE, POTASSIUM
SULFATE, & POTASSIUM CHLORIDE), CO*2, HIGH EXPANION
(PROTEINIC)(SUPDAT)
Fire Fighting Procedures:NIOSH/MSHA APPRVD SCBA & FULL PROT EQUIP. AT
TEMP GREATER THAN 400F (204 C), POLYMERIC MDI CAN POLYMERIZE &
DECOMPOSE WHICH CAN CAUSE PRESS BUILD-UP IN (SUPDAT)
Unusual Fire/Explosion Hazard:DURING FIRE, MDI VAPS & OTHER IRRITATING,
HIGHLY TOX GASES MAY BE GENERATED BY THERMAL DECOMP/COMBUST.

Spill Release Procedures:COVER SPILL W/SAWDUST, VERMICULITE, FULLER'S
EARTH/OTHER ABSORB MATL. POUR DECONTAM SOLN OVER SPILL AREA & ALLOW
TO REACT FOR @ LEAST 10 MIN. COLLECT MATL IN OPEN CNTNRS & ADD
FURTHER AMTS OF DECONTAM SOLN. REMOVE CNTNRS TO SAFE PLACE, COVER
(ING 11)
Neutralizing Agent:SEE SPILL/RELEASE.

Handling and Storage Precautions:IF CNTNR IS EXPOS TO HIGH HEAT, 400F
(204C) IT CAN BE PRESSURIZED & POSSIBLY RUPTURE. MDI REACTS SLOWLY
W/WATER TO FORM CO*2 GAS.
Other Precautions:THIS GAS CAN CAUSE SEALED CNTNRS TO EXPAND & POSSIBLY
RUPTURE. STORE IN TIGHTLY CLSD CNTNRS TO PVNT MOISTURE CONTAM. DO
NOT RESEAL IF CONTAM IS SUSPECTED. AVOID CONT W/SKIN & EYES.

Respiratory Protection:NIOSH/MSHA APPRVD AIR-SUPPLIED RESP MUST BE WORN
DURING SPRAY APPLIC, DURING LONT-TERM (OVER 1 HR) EXPOS WHEN PROD
IS HEATED/IN ENVIRON OF HIGH CONC WELL ABOVE TLV OF 0.02 PPM.
SHORT-TERM (LESS THAN 1 HR) EMER SITUATIONS @ CONC NEAR(ING 21)
Ventilation:LOC EXHAUST SHOULD BE USED TO MAINTAIN LEV BELOW TLV
WHENEVER MDI IS PROCESSED OR HEATED.
Protective Gloves:CHEM RESIST GLOVES (NATURAL RUB,(ING 24)
Eye Protection:LIQ CHEM GOGG/FULL-FACE SHIELD. (ING 25)
Other Protective Equipment:SFTY SHOWERS & EYE WASH STATIONS SHOULD BE
AVAILABLE.
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
SOL IN H*20:REACTS SLOWLY W/WATER TO LIBERATE CO*2 GAS. EXTING
MEDIA:CHEM FOAM, WATER SPRAY FOR LG FIRES. FIRE FIGHT PROC:CLSD
CNTNRS. EXPLO RUPTURE IS POSS. THEREFORE, USE COLD WATER TO COOL
FIRE-EXP OS CNTNRS. EFTS OF OVEREXP:WELL AS DISCOLORATION. PRLNGD
CONT COULD PRDCE REDDENING, SWELL,/BLISTERING, & (ING 2)

Spec Gravity:1.20 @ 77F
Evaporation Rate & Reference:NOT KNOWN
Solubility in Water:SUPDAT
Appearance and Odor:LIQUID, YELLOW COLOR; SLIGHTLY MUSTY ODOR
Percent Volatiles by Volume:NEGLIG

Stability Indicator/Materials to Avoid:YES
WATER, AMINES, STRONG BASES, ALCOHOLS. WILL CAUSE SOME CORROSION TO
COPPER ALLOYS AND ALUMINUM.
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:BY HIGH HEAT AND FIRE:CARBON MONOXIDE,
OXIDES OF NITROGEN, TRACES OF HCN, MDI.
Conditions to Avoid Polymerization:MAY OCCUR IF IN CONTACT W/MOISTURE
OR OTHER MATLS WHICH REACT W/ISOCYANATES. MAY OCCUR @ TEMP OVER
400F (204 C).

Waste Disposal Methods:WASTE MUST BE DISPOSED OF I/A/W FED, STATE, &
LOCAL ENVIRON CONTROL REGS. INCINERATION IS PREFERRED METH. EMPTY
CNTNRS MUST BE HDNLD W/CARE DUE TO PROD RESIDUE. DECONTAM CNTNRS
PRIOR TO DISP. STEEL DR UM SHOULD FIRST BE DECONTAM BY FILLING (ING
14)

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.