Product ID:03049 CURITHANE 103 POLYAMINE HARDENER
MSDS Date:06/12/1990
FSC:8040
NIIN:00N028515
MSDS Number: BMYBH

DOW CHEMICAL USA

2020 DOW CENTER
MIDLAND, MI 48674
US

Emergency Phone: 517-636-4400

Info Phone: 517-636-4400

Cage: EO044

DOW CHEMICAL USA

MIDLAND, MI 48640-6030 US

Telephone: 800-258-2436

Cage: EO044

DIANILINE, PRIMARY ACTIVE COMPONENT, HAS CAUSED

RTECS: 9999999ZZ

BLOOD CELLS, KIDNEY & EYE EFTS. MIX CNTNS COMPONENT

RTECS: 9999999ZZ

PURPOSES UNDER OSHA STD 29 CFR 1910.1200. BY NAT'L

RTECS: 9999999ZZ

COMPONENT, HAS BEEN SHOWN TO CAUSE CANCER IN LAB

RTECS: 9999999ZZ

TESTS ON METHYLENE DIANILINE, PRIMARY ACTIVE

RTECS: 9999999ZZ

DISTINCT HAZ & THEREFORE SHOULD BE AVOIDED. FOR

RTECS: 9999999ZZ

ANILINE,2',4-METHYLENEDI-; (2,4'METHYLENEDIANILINE)

CAS: 1208-52-2

RTECS: BY5400000

Fraction By Weight: 5%

ANILINE,4,4'-METHYLENEDI-; (4,4'-METHYLENEDIANILINE)

CAS: 101-77-9

RTECS: BY5425000

Fraction By Weight: 65%

ACGIH TLV: 0.1 PPM, S

EPA Report Quantity: 1 LB

DOT Report Quantity: 1 LB

FORMALDEHYDE, POLYMER WITH BENZENAMINE; (POLYMERIC

CAS: 25214-70-4

RTECS: TQ0600000

Fraction By Weight: 30%

LD50 LC50 Mixture:LD50:(ORAL,RAT)1378 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:EYE:MAY CAUSE SLIGHT TRANSIENT(TEMP)
IRRIT. VAP MAY IRRITATE EYES. MATL IS SOMETIMES ENCOUNTERED @
ELEVATED TEMP; MORE INTENSE EFTS AS WELL AS THERMAL BURNS ARE POSS.
SKIN:PRLNG/RPTD EXPOS MAY CAUSE I RRIT. MATL ADHERES TO SKIN & MAY
BE DFCLT TO REMOVE. MAY STAIN SKIN. MATL HNDLD @ ELEVATED TEMP;
THERM (EFTS OF OVEREXP)
Explanation of Carcinogenicity:4,4'-METHYLENE DIANILINE: GROUP 2B
(IARC), GROUP 2(NTP).
Effects of Overexposure:HLTH HAZ: BURNS ARE POSS. MAY CAUSE ALLERGIC
SKIN RXN IN SUSCEPTIBLE INDIVIDUALS. SKIN ABSORPTION: SINGLE PRLNG
EXPOS IS NOT LIKELY TO RSLT IN MATL BEING ABSORBED THRU SKIN IN
HARMFUL AMT. RPTD SKIN E XPOS MAY RSLT IN ABSORPTION OF HARMFUL
AMT. INGEST: SINGLE DOSE ORAL TOX IS LOW. INHAL: @ ROOM TEMP, EXPOS
(SUPP DATA)
Medical Cond Aggravated by Exposure:METHEMOGLOBINEMIA MAY AGGRAVATE ANY
PREEXISTING CONDITION SENSITIVE TO A DECREASE IN AVAILABLE O2, SUCH
AS CHRONIC LUNG DISEASE, CORONARY ARTERY DISEASE OR ANEMIAS.
CONSULT STANDARD LITERATURE.

First Aid:EYES: IRIRGATE IMMED WITH WATER FOR AT LEAST 15 MIN. SKIN:
WASH OFF IN FLOWING WATER OR SHOWER. INGEST: INDUCE VOMIT IF LG AMT
ARE INGESTED. CONSULT MED PERS. INHAL: REMOVE TO FRESH AIR IF
EFFECTS OCC UR. CONSULT PHYS. NOTE TO PHYS: RPTD EXCESS EXPOS MAY
AGGRAVATE PREEXISTING LIVER AND KIDNEY DISEASE.

Flash Point Method:PMCC
Flash Point:460F,238C
Extinguishing Media:WATER FOG, FOAM, ALCOHOL FOAM, CO2 AND DRY
CHEMICAL.
Fire Fighting Procedures:WEAR NIOSH/MSHA APPROVED SCBA AND FULL
PROTECTIVE EQUIPMENT .
Unusual Fire/Explosion Hazard:NONE KNOWN.

Spill Release Procedures:ONLY PROPERLY PROTECTED PERS SHOULD REMAIN IN
IMMED AREA. SOAK UP IN NON-COMBUST ABSORB MATL & ALLOW TO HARDEN.
RESIDUAL AMINE MAY BE REMOVED BY STEAM/HOT SOAPY H2O. DO NOT SEWER.
USE OF METHYLENE CHL ORIDE OR OTHER SOLV IN CLEAN UP POSES (ING 9)
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:KEEP CONTAINER CLOSED. STORE IN COOL,
DRY PLACE.
Other Precautions:NONE SPECIFIED BY MANUFACTURER.

Respiratory Protection:ATM LEVELS SHOULD BE MAINTAINED BELOW EXPOS
GUIDELINE. WHEN RESP PROT IS REQUIRED FOR CERTAIN OPERATIONS, USE A
NIOSH/ MSHA APPROVED AIR-PURIFYING RESPIRATOR. IN DUSTY
ATMOSPHERES, USE A NIOSH/ MSHA A PPROVED DUST RESPIRTOR.
Ventilation:PROVIDE GEN &/OR LOC EXHAUST VENT TO CONTROL AIRBORNE
LEVELS BELOW EXPOSURE GUIDELINES.
Protective Gloves:IMPERVIOUS GLOVES .
Eye Protection:CHEMICAL WORKERS GOGGLES .
Other Protective Equipment:WEAR CLEAN/LONG-SLEEVED, BODY-COVER CLTHG.
SELECTION OF ITEMS SUCH AS BOOTS/APRON/FULL BODY SUIT WILL DPND ON
OPERATION.
Work Hygienic Practices:REMOVE CONTAMD CLOTHING IMMED, WASH SKIN AREA
WITH SOAP AND WATER, AND LAUNDER CLOTHING BEFORE REUSE.
Supplemental Safety and Health
EFTS OF OVEREXP: TO VAP ARE UNLIKELY DUE TO PHYS PROPERTIES; HIGHER
TEMP MAY GENERATE VAP LEVELS SUFFICIENT TO CAUSE ADVERSE EFTS.
EXCESS EXPOS MAY CAUSE IRRIT TO UPPER RESP TRACT. EXCESS EXPOS MAY
CA USE METHEMOGLOBINEMIA, THEREBY IMPAIRING BLOOD'S ABILITY TO
TRANSPORT O2. IN MAN, EXCESS EXPOS TO METHYLENE (ING 4)

HCC:N1
Boiling Pt:B.P. Text:748F,398C
Vapor Pres:1@197C
Vapor Density:6.8
Spec Gravity:1.2@25C
Solubility in Water:0.1 G/100G@25C
Appearance and Odor:TAN SOLID, FAINT AMINE ODOR.

Stability Indicator/Materials to Avoid:YES
OXIDIZING AGENTS, STRONG ACIDS.
Stability Condition to Avoid:AVOID PROLONGED HEATING OVER 100C.
Hazardous Decomposition Products:ANILINE, NITROGEN OXIDES.

Waste Disposal Methods:INCINERATE WITH FUEL USING EXHAUST CONTROL TO
ASSURE COMPLETE COMBUSTION IN ACCORDANCE WITH LOCAL, STATE, AND
FEDERAL REGULATIONS.

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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.