Product ID:U-2020 ISOCYANATE
MSDS Date:06/01/1994
FSC:6850
NIIN:00N052851
MSDS Number: BVMWY

CASTALL INC

WEYMOUTH INDUSTRIAL PARK
EAST WEYMOUTH, MA 02189
US

Emergency Phone: 800-424-9300 (CHEMTREC)

Info Phone: 617-337-6075

Cage: DO809

CASTALL INC EAST WEYMOUTH INDUSTRIAL PARK

EAST WEYMOUTH, MA 02189-1699 US

Telephone: 617-337-6075

Cage: 29966

DIPHENYL METHANE DIISOCYANATE CONTAINING ING 2

CAS: 26447-40-5

Fraction By Weight: <80%

OSHA PEL 0.02 PPM (MFR)

ACGIH TLV: 0.02 PPM (MFR)

ISOCYANIC ACID, METHYLENEDI-P-PHENYLENE ESTER; (METHYLENE

CAS: 101-68-8

RTECS: NQ9350000

Fraction By Weight: <76%

OSHA PEL C 0.02 PPM

ACGIH TLV: 0.005 PPM

EPA Report Quantity: 1 LB

DOT Report Quantity: 1 LB

POLYM MDI REACTS W/SKIN PROTEIN & TISS

RTECS: 9999999ZZ

COULD PRDCE REDDENING, SWELL/BLIS, & IN SOME PERS

RTECS: 9999999ZZ

& CAN CAUSE LACRIM. CORNEAL DMG CAN OCCUR; HOWEVER,

RTECS: 9999999ZZ

COULD RSLT IN IRRIT & SOME CORR

RTECS: 9999999ZZ

NOT COMMON OCCUP ROUTE OF EXPOSURE.

RTECS: 9999999ZZ

DO NOT INDUCE VOMIT.

RTECS: 9999999ZZ

BY MOUTH TO UNCON PERSON. CONSULT MD.

RTECS: 9999999ZZ

LET STAND 24-48 HRS. WASH DOWN AREA

RTECS: 9999999ZZ

CARBIDE'S TERGITOL TMN-10 (20%) & WATER (80%);

RTECS: 9999999ZZ

(90-95 %). RESP PROT IS NEC DURING CLEAN-UP.

RTECS: 9999999ZZ

FOR DISP SHOULD BE DRAINED, TRIPLE RINSED, &

RTECS: 9999999ZZ

DECONTAMD CNTNR TO QUALIFIED RECNDTNR/RECYCLER.

RTECS: 9999999ZZ

I/A/W FED, ST, & LOC LAWS & REGS. MOST COMMON METH

RTECS: 9999999ZZ

STEEL DRUM DISP SHOULD BE I/A/W FED, ST, & LOC LAWS

RTECS: 9999999ZZ

SHREDDING ARE TO SEND TO APPRVD LANDFILL/INCIN IN

RTECS: 9999999ZZ

& SENT TO APPROVED LANDFILL.

RTECS: 9999999ZZ

AIR-PURIFYING RESP EQUIPPED W/ORG

RTECS: 9999999ZZ

POOR WARNING PROPERTIES OF MDI, PROPER FIT & TIMELY

RTECS: 9999999ZZ

OBSERVE OSHA REGS FOR RESP USE (29 CFR 1910.134).

RTECS: 9999999ZZ

FURTHER EXPOS CAN BE PERMITTED.

RTECS: 9999999ZZ

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:ACUTE:INHAL:INHAL OF MDI VAPS/AEROSOLS
IN CONC >0.02 PPM CAN PRDCE IRRIT OF MUC MEMB IN RESP TRACT,
RUNNING NOSE, SORE THROAT, PRODUCTIVE COUGH & REDUCTION IN LUNG
FUNC. EXTENSIVE EXPOS TO CONC WELL A BOVE TLV COULD LEAD TO BRONCH,
BRONCHIAL SPASM & PULM EDEMA. EFTS USUALLY REVERSIBLE. HOWEVER, DUE
(EFFECTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT.
Effects of Overexposure:HLTH HAZ:TO LOW VOLAT, HIGH EXPOS ARE NOT ANTIC
EXCEPT IF MATL IS OVERHEATED/SPRAYED AS AEROSOL INTO AIR. HYPERSENS
PNEUM HAS ALSO BEEN RPTD. ALSO HYPEREACT/HYPERSENS. PREEXISTING
UNSPECIFIC BRONCH, H YPERACT/SPECIFIC ISOCYANATE HYPERSENS (AS RSLT
OF PREVIOUS RPTD OVEREXP/SINGLE LG DOSAGE) WILL RESPOND TO SM
(SUPDAT)
Medical Cond Aggravated by Exposure:PERSONS W/ASTHMATIC TYPE CNDTNS,
CHRONIC BRONCH, OTHER CHRONIC RESP DISEASES/RECURRENT SKIN
ECZEMA/SENSIT SHOULD BE EXCLUDED FROM WORKING W/MDI. ONCE A PERSON
IS DIAGNOSED AS SENSIT TO MDI, NO(ING 22)

First Aid:EYE:FLUSH W/CLEAN, LUKE WARM WATER (LOW PRESS) FOR @ LEAST 15
MIN, OCCAS LIFTING LIDS, & OBTAIN MED ATTN. SKIN:REMOVE CONTAMD
CLTHG. WASH AFFECTED AREAS THORO W/SOAP & WATER. WASH CONTAMD CLTHG
THORO BEFORE REUSE. INHAL:MOVE TO AREA FREE FROM RISK OF FURTHER
EXPOS. ADMIN OXYG/ARTF RESP AS NEC. OBTAIN MED ATTN. ASTHMATIC-TYPE
SYMP MAY DEVELOP & BE IMMED/DELAYED UP TO SEVERAL HRS. TREATMENT
(ING 8)

Flash Point Method:PMCC
Flash Point:>350F,>177C
Extinguishing Media:DRY CHEM (E.G. MONOAMMONIUM PHOSPHATE, POTASSIUM
SULFATE, & POTASSIUM CHLORIDE), CARBON DIOXIDE, HIGH EXPANSION
(SUPDAT)
Fire Fighting Procedures:NIOSH/MSHA APPRVD SCBA & FULL PROT EQUIP
.DURING FIRE, MDI VAPS & OTHER IRRIT, HIGHLY TOX GASES MAY BE
GENERATED BY THERMAL DECOMP/COMBUST.
Unusual Fire/Explosion Hazard:AT TEMP >400F (204 C), POLYMERIC MDI CAN
POLYMERIZE & DECOMPOSE WHICH CAN CAUSE PRESS BUILD-UP IN CLSD
CNTNRS. EXPLO RUPTURE IS POSS. THEREFORE, USE (SUPDAT)

Spill Release Procedures:COVER SPILL W/SAWDUST, VERMICULITE, FULLER'S
EARTH/OTHER ABSORB MATL. POUR DECONTAM SOLN OVER AREA & LET REACT
FOR @ LEAST 30 MIN. COLLECT MATL IN OPEN CNTNRS & ADD FURTHER AMTS
OF DECONTAM SOLN. REMO VE CNTNRS TO SAFE PLACE, COVER LOOSELY,&
(ING 10)
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:STORE IN TIGHTLY CLSD CNTNRS TO PVNT
MOISTURE CONTAM. DO NOT RESEAL IF CONTAM IS SUSPECTED. AVOID
CONTACT W/SKIN AND EYES.
Other 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. THIS GAS CAN CAUSE SEALED CNTNRS TO EXPAND & POSSIBLY
RUPTURE. CONTACT LENSES SHOULD NOT BE WORN.

Respiratory Protection:NIOSH/MSHA APPRVD AIR-SUPPLIED RESP MUST BE WORN
DURING SPRAY APPLIC, DURING LONG-TERM (>1 HR) EXPOS WHEN PROD IS
HEATED/IN ENVIRON OF HIGH CONC >TLV OF 0.02 PPM. FOR SHORT-TERM
(<1HR) EMER SITUATIONS @ CONC NEAR TLV, NIOSH/MSHA (ING 19)
Ventilation:LOCAL EXHAUST SHOULD BE USED TO MAINTAIN LEV BELOW THE TLV
WHENEVER MDI IS PROCESSED OR HEATED.
Protective Gloves:NATRL RUBB, POLYVINYL ALCOHOL.
Eye Protection:ANSI APPRVD CHEM (WORK HYGENIC PRAC)
Other Protective Equipment:EMERG EYE WASH AND DELUGE SHOWER WHICH MEETS
ANSI DESIGN CRITERIA . FOLLOW ALL LABEL INSTRUCTIONS.
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER. EYE PROT:
WORKER GOGGLRS W/FULL LENGTH FACE SHIELD 9).
Supplemental Safety and Health
SOL IN H*20:REACTS SLOWLY W/H*20 TO LIBERATE CO*2 GAS. EXTING
MEDIA:(PROTEINTIC) CHEM FOAM, WATER SPRAY FOR LG FIRES. EXPLO
HAZ:COLD WATER TO COOL FIRE-EXPOS CNTNRS. EFTS OF
OVEREXP:ISOCYANATE CONC @ LEV WELL BELOW TLV OF 0.02 PPM. SYMPS
MAY BE IMMED/DELAYED & INCL CHEST TIGHT, RESP DISTRESS/ASTHMATIC
ATTACK. (ING 3)

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

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

Waste Disposal Methods:DISPOS OF I/A/W FED, ST, & LOC ENVIRON CTL REGS.
INCIN IS PREF. EMPTY CNTNRS MUST BE HNDLD W/CARE DUE TO PROD
RESIDUE. DECONTAM CNTNRS PRIOR TO DISP. FIRST DECONTAM STEEL DRUM
BY FILLING CNTNR W/WATER . LET STAND UNSEALED 48 HRS. DRUMS SENT
(ING 13)

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.