Product ID:ISONATE 125M PURE MDI, 03008
MSDS Date:12/19/1988
FSC:6810
NIIN:00N016685
MSDS Number: BRJPH

DOW CHEMICAL USA

2020 DOW CENTER
MIDLAND, MI 48674

Emergency Phone: 517-636-4400;800-424-9300(CHEMTREC)

Info Phone: 517-636-4400

Cage: EO044

DOW CHEMICAL USA

MIDLAND, MI 48640-6030 US

Telephone: 800-258-2436

Cage: EO044

LOCAL LAWS & REGS.COMMONLY ACCEPTED METH FOR DISP

RTECS: 9999999ZZ

LANDFILL AFTER SHREDDING/INCINERATION IN APPRVD

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FACILITY.STEEL DRUMS ARE COMMONLY DISP IN APPRVD

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CARE.TREATMENT BASED ON JUDGMENT OF PHYSICIAN IN

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OF RESP SYMP,INCLUDING PULMONARY EDEMA,RESULTING

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INVOLVED CALL CHEMTREC (800)424-9300.IF

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OF PROTEIN FOAM (AVAILABLE AT MOST FIRE

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PUMPED INTO CLSD BUT NOT SEALED CNTNRS FOR

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ABSORB & SHOVEL INTO OPEN TOP CNTNRS. DO NOT MAKE

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(OUTSIDE) & TREAT W/NEUTRALIZING SOLN CONSISTING OF

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OR 5-10% SODIUM CARBONATE.ADD ABOUT 10 PARTS OF

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ALLOW TO STAND FOR 48 HOURS LETTING EVOLVED CARBON

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FLOOR USING H*2O/AMMONIA SOLN W/1-2% ADDED

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LEAST 10 MIN. COVER MOPS & BROOMS USED FOR THIS

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DRAINED, TRIPLE RINSED, & HOLED TO PVNT

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OF DRAIN & RINSE FLUID ACCORDING TO FED, STATE &

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METH IS IN AN APPRVD WASTEWATER TREATMENT

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DIPHENYLMETHANE DIISOCYANATE (CONTAINING INGREDIENT 2 AT

CAS: 26447-40-5

Fraction By Weight: 100%

OSHA PEL 0.02 PPM

ACGIH TLV: 0.02 PPM

METHYLENE BISPHENYL ISOCYANATE; (4,4'

CAS: 101-68-8

RTECS: NQ9350000

Fraction By Weight: 98%

OSHA PEL 0.02 PPM, C

ACGIH TLV: 0.005 PPM

EPA Report Quantity: 1 LB

DOT Report Quantity: 1 LB

THAT EXPOS TO MDI MAY CAUSE SIMILAR IMPAIRMENT OF

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ON AVAILABLE DATA, RPTD EXPOS ARE NOT ANTICIPATED TO

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NUMEROUS IN VITRO (TEST TUBE) MUTAGENICITY STUDIES

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RPTD IN FEW STUDIES; HOWEVER, MAJORITY HAVE BEEN

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DIFFICULT, GIVE OXYGEN.CALL A PHYSICIAN.NOTE

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LD50 LC50 Mixture:LD50:ORAL(RAT): >15,000 MG/KG.
Routes of Entry: Inhalation:YES Skin:NO Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:EYE:MAY CAUSE SLIGHT EYE
IRRITATION.CORNEAL INJ IS UNLIKELY.SKIN:MAY CAUSE ALLERGIC SKIN RXN
IN SUSCEPTIBLE INDIVIDUALS.PRLNGD/RPTD EXPOS MAY CAUSE SKIN
IRRIT.MAY STAIN SKIN.SKIN ABSORB:SINGLE DOSE PR LNGD EXPOS IS NOT
LIKELY TO RSLT IN MATL BEING ABSORBED THROUGH SKIN IN HARMFUL
AMOUNTS.INGEST: (EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT.
Effects of Overexposure:HLTH HAZ:SINGLE DOSE ORAL TOXICITY IS LOW.NO
HAZ ANTICIPATED FROM INGEST INCIDENTAL TO INDUSTRIAL
EXPOS.INHAL:MAY CAUSE RESP SENSITIZATION IN SUSCEPTIBLE
INDIVIDUALS. AT ROOM TEMP,VAPS ARE MINIMAL DUE TO LOW VAP PRESS.IF
HEATED/SPRAYED AS AEROSOL,EXCESSIVE CONC ARE ATTAINABLE THAT COULD
BE HAZ ON SINGLE (SUPP DATA)
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

First Aid:EYES:IRRIGATE W/FLOWING H*2O IMMED & CONTINUOUSLY FOR AT
LEAST 15 MIN.CONSULT MED PERS.DUE TO HIGH VISCOSITY, MATL MAY BE
DFCLT TO REMOVE FROM EYES.SKIN:WASH OFF IN FLOWING
H*2O/SHOWER.INGEST:NO ADVER SE EFTS ANTICIPATED BY THIS ROUTE OF
EXPOS INCIDENTAL TO PROPER INDUSTRIAL HNDLG.CALL MD IMMED
.INHAL:REMOVE TO FRESH AIR.IF NOT BRTHG,GIVE MOUTH-TO-MOUTH
RESUSCITATION.IF BRTHG IS (ING 7)

Flash Point Method:PMCC
Flash Point:>350F,>177C
Extinguishing Media:CO*2,DRY CHEM/FOAM.IF H*20 IS USED,IT SHOULD BE IN
VERY LRG QTY.THE RXN BETWEEN H*2O & HOT ISOCYANATE MAY BE VIGOROUS.
Fire Fighting Procedures:WEAR NIOSH/MSHA APPROVED SCBA AND FULL
PROTECTIVE EQUIPMENT .
Unusual Fire/Explosion Hazard:DOWN-WIND PERSONNEL MUST BE EVACUATED.DO
NOT RESEAL CONTAMINATED CONTAINERS SINCE PRESSURE BUILD-UP MAY
CAUSE RUPTURE.

Spill Release Procedures:EVACUATE AND VENTILATE SPILL AREA, DIKE SPILL
TO PVNT ENTRY INTO WATER SYSTEM, WEAR FULL PROT EQUIP INCLUDING
NIOSH/MSHA APPRVD RESP EQUIP DURING CLEAN UP.MAJOR SPILL:CALL DOW
CHEMICAL U.S.A. (409)238 -2112.IF TRANSPORTATION SPILL (ING 10)
Neutralizing Agent:MIXTURE OF WATER AND 3-8% CONC AMMONIUM HYDROXIDE OR
5-10% SODIUM CARBONATE.

Handling and Storage Precautions:PROTECT FROM MOISTURE
CONTAMINATION(EXOTHERMIC GENERATION OF CO*2 MAY CAUSE DANGEROUS
PRESSURE.)
Other Precautions:NONE SPECIFIED BY MANUFACTURER.

Respiratory Protection:ATMOSPHERIC LEVS SHOULD BE MAINTAINED BELOW
EXPOS GUIDELINE.WHEN RESP PROT IS REQD FOR CERTAIN OPER,USE
NIOSH/MSHA APPRVD SUPP-AIR RESP.FOR EMERGENCY/OTHER CNDTNS WHERE
EXPOS GUIDELINE GREATLY EXCEEDE D, USE NIOSH/MSHA APPRVD POS PRESS
SCBA.
Ventilation:PROVIDE GEN &/OR LOCAL EXHAUST VENT TO CONTROL AIRBORNE
LEVELS BELOW EXPOSURE GUIDELINES.
Protective Gloves:IMPERVIOUS GLOVES. .
Eye Protection:CHEMICAL WORKERS GOGGLES. .
Other Protective Equipment:BOOTS,APRON,OR FULL-BODY SUIT WILL DEPEND ON
OPERATION.
Work Hygienic Practices:REMOVE CONTAM CLOTHING IMMEDIATELY, WASH SKIN
AREA W/SOAP AND WATER, AND LAUNDER CLOTHING BEFORE REUSE.
Supplemental Safety and Health
VP:3X10 (-4) @ 43C. MATL TO AVOID:INSOLUBLE UREA.COMBINED EFT OF CO*2 &
HEAT CAN PRDCE ENOUGH PRESS TO RUPTURE CLSD CNTNR.EFTS OF
OVEREXP:EXPOS.EXCESS EXPOS MAY CAUSE IRRIT OF EYES,UPPER RESP
TRACT,& LUNGS.EFTS MAY BE DELAYED.DECREASED VENT CAPACITY HAS BEEN
ASSOC W/EXPOS TO SIMILAR ISOCYANATES;IT IS POSS (ING 3)

HCC:T4
Boiling Pt:B.P. Text:392F,200C
Decomp Temp:Decomp Text:500F, 260C
Vapor Pres:SUPP DATA
Vapor Density:8.6
Spec Gravity:1.23 @110 F
Solubility in Water:REACTS
Appearance and Odor:WHITE TO YELLOW SOLID AT ROOM TEMPERATURE; LIQUID
ABOVE 100 F, PUNGENT ODOR.

Stability Indicator/Materials to Avoid:YES
H*2O,ACID,BASE,ALCOHOLS,METAL COMPOUNDS,SURF ACTIVE MATLS.AVOID H*2O AS
IT REACTS TO FORM HEAT,CO*2 & (SUPP DATA)
Stability Condition to Avoid:STORE AS SOLID AT -20 F TO +10 F; AS
LIQUID 105-115 F.
Hazardous Decomposition Products:ISOCYANATE VAPOR AND MIST, CARBON
DIOXIDE, CARBON MONOXIDE, NITROGEN OXIDES & TRACES OF HYDROGEN
CYANIDE.
Conditions to Avoid Polymerization:MAY OCCUR WITH INCOMPATIBLE
REACTANTS, ESPECIALLY STRONG BASES, WATER OR TEMPERATURES OVER 175
C.

Waste Disposal Methods:FOLLOW ALL FED,STATE & LOCAL REGS. LIQS ARE
USUALLY INCINERATED IN A PROPER FACILITY.SOLIDS ARE USUALLY
INCINERATED/LANDFILLED.EMPTY DRUMS SHOULD BE FILLED W/H*2O.LET DRUM
STAND UNSEALED FOR 48 HOURS. BEFORE DISP DRUMS SHOULD BE (ING 19)

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particular situation.