Product ID:DESMODUR N-3200, D-120
MSDS Date:12/14/1994
FSC:8030
NIIN:00N078918
MSDS Number: CGYRK

MILES INC

MOBAY RD
PITTSBURGH, PA 15205-9741
US

Emergency Phone: 412-923-1800;800-424-9300(CHEMTREC)

Info Phone: 800-662-2927

Preparer: B. J. GAMBINO

Cage: MILES

MILES INC

PITTSBURGH, PA 15205-9741 US

Telephone: 800-662-2927

Cage: MILES

ISOCYANIC ACID, HEXAMETHYLENE ESTER, POLYMERS; (HOMOPOLYMER

CAS: 28182-81-2

RTECS: NQ9170000

Fraction By Weight: 100%

OSHA PEL N/K

ACGIH TLV: N/K

HEXANE, 1,6-DIISOCYANATO-; (HEXAMETHYLENE DIISOCYANATE)

CAS: 822-06-0

RTECS: MO1740000

Fraction By Weight: <0.7%

OSHA PEL N/K

ACGIH TLV: 0.005 PPM

EPA Report Quantity: 1 LB

DOT Report Quantity: 1 LB

RASH, SCALES/BLISTERS. SKIN SENSIT POSS FROM CNTCT.

RTECS: 9999999ZZ

ARE IRRIT & CAN CAUSE PAIN, TEARS, REDNESS & SWELL

RTECS: 9999999ZZ

IRRIT & POSS CORR ACTION IN MOUTH, STOM TISS &

RTECS: 9999999ZZ

OVEREXP/SINGLE LG DOSE, SOME PERS DEVELOP ISOCYANATE

RTECS: 9999999ZZ

CHEST

RTECS: 9999999ZZ

COULD BE IMMED/DELAYED. ONCE SENSITIZED, CAN HAVE

RTECS: 9999999ZZ

INCRD LUNG SENSITIVITY CAN PERSIST WKS/YRS. ALSO RPTS

RTECS: 9999999ZZ

REDNESS, SWELL,

RTECS: 9999999ZZ

SYMPS ON CNTCT W/SM AMTS LIQ/VAP-ONLY EXPOS.

RTECS: 9999999ZZ

MOVE TO RISK FREE AREA. ADMIN O*2/ARTF

RTECS: 9999999ZZ

DO NOT INDUCE VOMIT. GIVE 1-2

RTECS: 9999999ZZ

STAIN FOR EVID

RTECS: 9999999ZZ

ANTIBIOTIC/STEROID PREPARATION FREQUENTLY. VAPS

RTECS: 9999999ZZ

SENSITIZER. TREAT SYMP AS FOR CNTCT

RTECS: 9999999ZZ

ANTIDOTE. INDUCING VOMIT IS CONTRAINDICATED BECAUSE

RTECS: 9999999ZZ

TREATMENT IS ESSNTLY SYMP. PERS W/DERM OR PULM

RTECS: 9999999ZZ

10 MIN. COLLECT MATL IN OPEN CNTNRS & ADD

RTECS: 9999999ZZ

COVER LOOSELY & LET STAND 24-48 HRS. WASH DOWN AREA

RTECS: 9999999ZZ

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

RTECS: 9999999ZZ

TEMP RANGE FOR EASE OF HNDLG IS 50-81F

RTECS: 9999999ZZ

& TRAINING IN SAFE USE & HNDLG OF PROD ARE REQD

RTECS: 9999999ZZ

RESPS & OTHER PPE IS MANDATED. EXHST AIR MAY NEED TO

RTECS: 9999999ZZ

VENTD TO PVNT EMISSIONS INTO WORKPLACE. IF NOT

RTECS: 9999999ZZ

LD50 LC50 Mixture:LD50: (ORAL, RAT) >10,000 MG/KG
Routes of Entry: Inhalation:YES Skin:YES Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:ACUTE: INHAL: HDI VAPS/MIST AT CONCS
ABOVE TLV/MGL CAN IRRIT (BURNING SENSATION) MUC MEMBS IN RESP TRACT
(NOSE, THROAT, LUNGS) CAUSING RUNNY NOSE, SORE THROAT, COUGH, CHEST
DISCOMFORT, SHORTNESS OF BR TH & REDUCED LUNG FUNC (BRTHG
OBSTRUCTION). PERS W/PREEXISTING, NONSPECIFIC BRONCH
HYPERREACTIVITY CAN (EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT
Effects of Overexposure:HLTH HAZ: RESPOND TO CONCS BELOW TLV/MGL
W/SIMILAR SYMPS AS WELL AS ASTHMA ATTACK. EXPOS WELL ABOVE TLV/MGL
MAY LEAD TO BRONCH, BRONCH SPASM & PULM EDEMA (FLUID IN LUNGS).
THESE EFTS ARE USUALLY REVER SIBLE. CHEM/HYPERSENSITIVE PNEUMIT,
W/FLU-LIKE SYMPS (EG, FEVER, CHILLS) ALSO REPORTED.
SKIN:ISOCYANATES REACT (SUPDAT)
Medical Cond Aggravated by Exposure:ASTHMA AND OTHER RESPIRATORY
DISORDERS (BRONCHITIS, EMPHYSEMA, HYPERREACTIVITY), SKIN ALLERGIES,
ECZEMA.

First Aid:EYES: FLUSH W/CLEAN, LUKEWARM WATER (LOW PRESS) FOR AT LST 15
MIN, WHILE LIFTING LIDS. REFER TO MD/OPHTHALMOLOGIST FOR IMMED
FOLLOW-UP. SKIN: REMOVE CONTAMD CLTHG IMMED. WASH AREAS THOROUGHLY
W/SOAP & WATER. WASH CONTAMD CLTHG THOROUGHLY BEFORE REUSE. FOR
SEV EXPOS, GET UNDER SFTY SHOWER AFTER REMOVING CLTHG, THEN GET MED
ATTN. FOR LESSER EXPOS, SEEK MED ATTN IF IRRIT DEVELOPS/PERSISTS.
(ING 12)

Flash Point Method:SCC
Flash Point:385F,196C
Extinguishing Media:DRY CHEMICAL, CARBON DIOXIDE, FOAM, WATER SPRAY FOR
LARGE FIRES.
Fire Fighting Procedures:USE NIOSH APPRVD SCBA & FULL PROT EQUIP .
DURING FIRE, HDI VAPS & OTHER IRRIT, HIGHLY TOX GASES MAY BE
GENERATED BY THERMAL DECOMP/COMBUST. CLSD (SUPDAT)
Unusual Fire/Explosion Hazard:NONE SPECIFIED BY MANUFACTURER.

Spill Release Procedures:EVACUATE NONESSNTL PERS. REMOVE IGNTI SOURCES
& VENT AREA. NOTIFY AUTHS IF NEC. PUT ON PPE. DIKE/IMPOUND MATL &
CTL FURTHER SPILL IF FEASIBLE. VERMICULITE, FULLER'S EARTH/OTHER
ABSORB MATL. POUR DECON TAM SOLN OVER AREA & LET REACT FOR AT LST
(ING 19)
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:MIN/MAX STOR TEMP:30F(-34C)/122F(50C).
STORE IN TIGHTLY CLSD CNTNRS TO PVNT MOISTURE CONTAM. DO NOT RESEAL
IF CONTAM IS SUSPECTED. AT MAX STOR(ING 22)
Other Precautions:CNTNR EXPOS TO HIGH HEAT CAN BE PRESSURIZED & POSS
RUPTURE EXPLO. HDI REACTS SLOWLY W/WATER TO FORM CO*2 GAS; CAN
CAUSE SEALED CNTNRS TO EXPAND & POSS RUPTURE EXPLO. EMPLOYEE MED
SUPERVISION RECOMD; I NCL RESP FUNC TESTS (FEV, FVC AS MIN).

Respiratory Protection:NIOSH APPRVD RESP RECOMD/APPRVD FOR USE IN
ISOCYANATE CONTAINING ENVIRONMENTS (AIR PURIFYING/FRESH AIR
SUPPLIED) MAY BE NEC FOR SPRAY APPLICATNS/OTHER SITUATIONS WHICH
MAY PRDCE INHAL EXPOS. CNTCT NEH C FOR MORE INFO ON RESP PROT .
Ventilation:WORKER PROT SHOULD BE ACHIEVED THRU ENGINEERING CTLS SUCH
AS VENT WHENEVER FEASIBLE; IF NOT, USE OF NIOSH APPRVD(ING 24)
Protective Gloves:PERMEATION RESISTANT GLOVES.
Eye Protection:ANSI APPRVD CHEM WORKERS GOGGLES .
Other Protective Equipment:ANSI APPRVD EYE WASH & DELUGE SHOWER . COVER
EXPOS SKIN W/APPROP CLTHG. KEEP AREAS PROT BY SKIN CREAM TO
MINIMUM.
Work Hygienic Practices:FOR ADDNL INFO ON PROT MEASURES, SEE MILES'
"HLTH & SFTY INFO FOR HEXAMETHYLENE DIISOCYANATE BASED
POLYISOCYANATES."
Supplemental Safety and Health
VP: POLYISOCYANATE:APPROX 7.5 X 10-5 @ 20C. SOL IN H*2O: RESIN IS INSOL
- REACTS SLOWLY W/WATER TO LIBERATE CO*2 GAS. FIRE FIGHT PROC:
CNTNR MAY EXPLODE WHEN EXPOS TO EXTREME HEAT/BURST WHEN CONTAMD W
/WATER. EFTS OF OVEREXP: W/SKIN PROTEIN& MOISTURE & CAN CAUSE
IRRIT. SYMPS OF IRRIT MAY BE REDDENING, SWELL, (ING 3)

Vapor Pres:SUPDAT
Spec Gravity:1.11-1.13
Solubility in Water:SUPDAT
Appearance and Odor:CLEAR/PALE YELLOW LIQUID; NEGLIGIBLE ODOR.
Percent Volatiles by Volume:NEG-WT

Stability Indicator/Materials to Avoid:YES
WATER, AMINES, STRONG BASES, ALCOHOLS, METAL COMPOUNDS AND SURFACE
ACTIVE MATERIALS.
Stability Condition to Avoid:NONE KNOWN.
Hazardous Decomposition Products:BY HIGH HEAT AND FIRE: CARBON DIOXIDE,
CARBON MONOXIDE, OXIDES OF NITROGEN, HCN, HDI.
Conditions to Avoid Polymerization:CONTACT W/MOISTURE OR OTHER
MATERIALS WHICH REACT W/ISOCYANATES OR TEMPS ABOVE 400F (204C) MAY
CAUSE POLYMERIZATION.

Waste Disposal Methods:WASTE MUST BE DISPOSED I/A/W FED, STATE & LOCAL
ENVIRONMENTAL CONTROL REGS. INCIN IS PREF METH. EMPTY CNTNRS MUST
BE HANDLED W/CARE DUE TO PROD RESIDUE. DECONTAMINATE CNTNRS PRIOR
TO DISP. DO NOT HEAT OR CUT EMPTY CNTNR W/ELECTRIC OR GAS TORCH.

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.