Product ID:03958, CURITHANE 116 POLYAMINE HARDENER
MSDS Date:06/14/1990
FSC:8040
NIIN:00N028499
MSDS Number: BMXZT

DOW CHEMICAL U.S.A.

CHEMICAL AND METALS DEPARTMENT
MIDLAND, MI 48674
US

Emergency Phone: 517-636-4400

Info Phone: 517-636-4400

Cage: 96717

DOW CHEMICAL CO

MIDLAND, MI 48674 US

Telephone: 800-258-2436

Cage: 96717

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

CAS: 1208-52-2

RTECS: BY5400000

Fraction By Weight: 7%

EXCESSIVE

RTECS: 9999999ZZ

BLOOD'S ABILITY TO TRANSPORT O*2. IN MAN, EXCESSIVE

RTECS: 9999999ZZ

COMPONENT, HAS CAUSED LIVER EFTS; IN ANIMALS, IT HAS

RTECS: 9999999ZZ

& EYE EFTS. MIX CONTAINS A COMPONENT WHICH IS LISTED

RTECS: 9999999ZZ

PURPOSES UNDER OSHA STANDARD 29 CFR 1910.1200. BY THE

RTECS: 9999999ZZ

THE PRIMARY COMPONENT, HAS BEEN SHOWN TO CAUSE CANCER

RTECS: 9999999ZZ

MUTAGENICITY TESTS ON METHYLENE DIANILINE, A

RTECS: 9999999ZZ

PATIENT. METHEMOGLOBINEMIA MAY AGGRAVATE ANY

RTECS: 9999999ZZ

AVAILABLE O*2, SUCH AS CHRONIC LUNG DISEASE,

RTECS: 9999999ZZ

A DISTINCT HAZARD & THEREFORE SHOULD BE

RTECS: 9999999ZZ

IMPERVIOUS TO THIS MATL. SELECTION OF

RTECS: 9999999ZZ

SUIT WILL DEPEND OF OPERATION.

RTECS: 9999999ZZ

POLYMETHYLENE POLYPHENYL AMINE; (POLYMERIC

CAS: 25214-70-4

Fraction By Weight: 30%

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

CAS: 101-77-9

RTECS: BY5425000

Fraction By Weight: 63%

ACGIH TLV: 0.1 PPM, S

EPA Report Quantity: 1 LB

DOT Report Quantity: 1 LB

LD50 LC50 Mixture:LD50: (ORAL, RAT) >830 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
(TEMPORARY) IRRIT. VAPS MAY IRRITATE EYES. MATL IS SOMETIMES
ENCOUNTERED AT ELEVATED TEMPS; MORE INTENSE EFTS AS WELL AS THERMAL
BURNS ARE POSS. SKIN CONT:PRLNGD/RPTD EX POS MAY CAUSE IRRIT.MATL
ADHERES TO SKIN & MAY BE DIFFICULT TO REMOVE. MATL HANDLED AT
ELEVATED TEMPS, (EFTS OF OVEREXP)
Explanation of Carcinogenicity:METHYLENE DIANILINE (4,4): GROUP 2
(NTP), GROUP 2B (IARC).
Effects of Overexposure:HLTH HAZ:THERMAL BURNS ARE POSS. MAY CAUSE
ALLERGIC SKIN REACTION IN SUSCEPTIBLE INDIVIDUALS. SKIN ABORP:RPTD
SKIN EXPOS MAY RESULT IN ABSORP OF HARMFUL AMTS. INGEST: SINGLE
DOSE ORAL TOXICITY IS BELI EVED TO BE LOW TO MOD. AMTS INGESTED
INCIDENTAL TO INDUST HANDLING ARE NOT LIKELY TO CAUSE INJURY;
HOWEVER, (SUPP DATA)
Medical Cond Aggravated by Exposure:RPTD EXCESSIVE EXPOS MAY AGGRAVATE
PREEXISTING LIVER & KIDNEY DISEASES. METHEMOGLOBINEMIA MAY
AGGRAVATE ANY PREEXISTING CONDITION SENSITIVE TO A DECREASE IN
AVAIL O*2, SUCH AS CHRONIC LUNG (ING 15)

First Aid:EYE:IRRIGATE IMMED W/WATER FOR AT LEAST 15 MIN. SKIN: WASH
OFF IN FLOWING WATER/SHOWER. INGEST:INDUCE VOMIT IF LG MATS ARE
INGESTED. CONSULT MD PERS. INHAL: REMOVE TO FRESH AIR IF EFTS
OCCUR. CONSULT MD. NOTE TO MD:RPTD EXCESSIVE EXPOS MAYAGGRAVATE
PREEXISTING LIVER & KIDNEY DISEASE. NO SPECIFIC ANTIDOTE.
SUPPORTIVE CARE. TREATMENT BASED ON JUDGEMENT OF MD IN RESPONSE TO
REACTIONS OF (ING 11)

Flash Point Method:PMCC
Flash Point:460F,238C
Extinguishing Media:WATER FOG, FOAM, ALCOHOL FOAM, CO*2, 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 WATER. DO NOT
SEWER. USE OF METHYLENE C HLORIDE/OTHER SOLVS IN CLEAN UP POSES
(ING 13)
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Respiratory Protection:ATMOSPHERIC LEVELS SHOULD BE MAINTAINED BELOW
EXPOSURE GUIDELINE. WHEN RESP PROT IS REQD FOR CERTAIN OPERATIONS,
USE A NIOSH/MSHA APPROVED AIR-PURIFYING RESPIRATOR. IN DUSTY
ATMOSPHERES, USE A NIOSH/M SHA APPROVED DUST RESPIRATOR.
Ventilation:PROVIDE GEN AND/OR LOCAL EXHAUST VENT TO CONTROL AIRBORNE
LEVELS BELOW EXPOSURE GUIDELINES.
Protective Gloves:IMPERVIOUS GLOVES .
Eye Protection:CHEM WORK GOG & FULL LGTH FSHLD .
Other Protective Equipment:WEAR CLEAN, LONG-SLEEVED, BODY-COVERING
CLTHG. WHEN PRLNGD/FREQUENTLY RPTD CONT COULD OCCUR, USE PROT CLTHG
(ING 14)
Work Hygienic Practices:REMOVE CONTAMINATED CLOTHING IMMEDIATELY, WASH
SKIN AREA WITH SOAP AND WATER, AND LAUNDER CLOTHING BEFORE REUSE.
Supplemental Safety and Health
HLTH HAZ:INGEST OF LARGER AMTS COULD CAUSE SERIOUS INJURY, EVEN DEATH.
INHAL: AT ROOM TEMP, EXPOS TO VAPS ARE UNLIKELY DUE TO PHYSICAL
PROPERTIES; HIGHER TEMPS MAY GENERATE VAP LEVELS SUFFICIENT TO CA
USE ADVERSE EFTS. MAY CAUSE RESP SENSITIN SUSCEPTIBLE INDIVIDUALS.
EXCESSIVE EXPOS MAY CAUSE IRRIT TO UPPER (ING 4)

HCC:N1
Boiling Pt:B.P. Text:748F,398C
Vapor Pres:1 @ 197C
Spec Gravity:1.2 @ 25/20C
Solubility in Water:SLIGHT
Appearance and Odor:TAN SOLID; FAINT AMINE ODOR.

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

Waste Disposal Methods:INCINERATE WITH FUEL USING EXHAUST CONTROL TO
ASSURE COMPLETE COMBUSTION I/A/W LOCAL, STATE AND FEDERAL
REGULATIONS.

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