Product ID:1,2,4-TRIMETHYLBENZENE (PSEUDOCUMENE)
MSDS Date:08/01/1990
FSC:6850
NIIN:00N057837
MSDS Number: BWRVS

E I DUPONT DE NEMOURS & CO

331 TREBLE COVE RD
NORTH BILLERICA, MA 01862
US

Emergency Phone: 800-483-7616;800-424-9300(CHEMTREC)

Info Phone: 508-667-9538;800-441-3637

Cage: 0ERJ7

E I DUPONT DE NEMOURS & CO, INC.

WILMINGTON, DE 19898 US

Telephone: 800-441-7515

Cage: 0ERJ7

BENZENE, 1,2,4-TRIMETHYL-; (1,2,4-TRIMETHYLBENZENE) (SARA

CAS: 95-63-6

RTECS: DC3325000

Fraction By Weight: 100%

OSHA PEL 25 PPM

ACGIH TLV: 25 PPM

IMPAIRED GAG REFLEX, IPECAC EMESIS CAN BE DONE. WHEN

RTECS: 9999999ZZ

ASPIR. AFTER VOMIT STOPS, GIVE 30-60 MLS OF FLEET'S

RTECS: 9999999ZZ

BLOOD PRESS & RESP. TREATMENT MUST BE ADMINISTERED BY

RTECS: 9999999ZZ

SPECIFIC ANTIDOTE. TREAT SYMPTOMATICALLY &

RTECS: 9999999ZZ

THAT EYES MAY BE EXPOS TO THIS SUBSTANCE,

RTECS: 9999999ZZ

W/IN THE IMMEDIATE WORK AREA.

RTECS: 9999999ZZ

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES Skin:YES Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:ACUTE:INHALATION, SKIN & EYE IRRITANT.
NARCOTIC. MODERATELY TOXIC BY INHALATION & INGESTION. INHAL:MAY
CAUSE MUCOUS MEMBRANE IRRITATION, CNS DEPRESSION & CHEMICAL
PNEUMONITIS. SKIN:SYSTEMIC TOXICITY D UE TO ABSORPTION IS NOT
PROBABLE. EYE:MAY CAUSE IRRITATION. INGEST:NO SYMPTOMS WERE FOUND.
CHRONIC: (EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT
Effects of Overexposure:HLTH HAZ:INHAL:ASTHMATIC BRONCH, HDCH, FATG,
TENSION, ANXIETY, NERVOUSNESS & DROW OBSERVED IN EXPOS WORKERS.
DEPRESSED WT GAIN, PROGRESSIVELY INCR LYMPHOPENIA & NEUTROPHILIA &
A MARKED CNS DEPRESS OBS ERVED IN ANIMALS. SKIN:MAY CAUSE
DERMATITIS. EYE:MAY CAUSE CONJUNCTIVITIS. INGEST:NO DATA AVAILABLE.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

First Aid:INHAL:REMOVE FROM EXPOS AREA TO FRESH AIR IMMED. IF BRTHG HAS
STOPPED, PERFORM ARTF RESP. KEEP PERS WARM & AT REST. TREAT
SYMPTOMATICALLY & SUPPORTIVELY. GET MED ATTN IMMED. SKIN:REMOVE
CONTAM CLTHG & SHOES IMMED. WASH AFFECTED AREA W/SOAPOR MILD
DETERGENT & LG AMTS OF WATER UNTIL NO EVID OF CHEM REMAINS (APPROX
15-20 MINS). GET MED ATTN IMMED. EYES:WASH IMMED W/LG AMTS OF
WATER/NORMAL (SUPDAT)

Flash Point Method:CC
Flash Point:112F,44C
Lower Limits:0.9%
Upper Limits:6.4%
Extinguishing Media:DRY CHEMICAL, CARBON DIOXIDE, HALON, WATER SPRAY OR
ALCOHOL FOAM.
Fire Fighting Procedures:USE NIOSH/MSHA APPROVED SCBA & FULL PROTECTIVE
EQUIPMENT .
Unusual Fire/Explosion Hazard:MOD FIRE HAZ WHEN EXPOSED TO HEAT/FLAME.
VAPS ARE HVR/AIR & MAY TRAVEL CONSIDERABLE DIST TO SOURCE OF IGNIT
& FLASH BACK. VAP-AIR MIXTS ARE EXPLO ABOVE (SUPDAT)

Spill Release Procedures:SM SPILLS:SHUT OFF IGNIT SOURCES. STOP LEAK IF
YOU CAN DO IT W/OUT RISK. USE WATER SPRAY TO REDUCE VAPS. TAKE UP
W/SAND OR OTHER ABSORB MATL & PLACE INTO CNTNRS FOR LATER DISP. NO
SMOKING, FLAMES/FLAR ES IN HAZ AREA. ISOLATE HAZ AREA & DENYENTRY.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:AVOID CONTACT W/HEAT, SPARKS, FLAMES
OR OTHER SOURCES OF IGNITION. VAPORS MAY BE EXPLOSIVE & POISONOUS;
DO NOT ALLOW UNNECESSARY PERSONNEL IN AREA.
Other Precautions:DO NOT OVERHEAT CONTAINERS; CONTAINERS MAY VIOLENTLY
RUPTURE & TRAVEL A CONSIDERABLE DISTANCE IN HEAT OF FIRE. STORE
I/A/W 29 CFR 1910.106 & AWAY FROM INCOMPATIBLE SUBSTANCES.

Respiratory Protection:NIOSH/MSHA APPROVED RESPIRATOR APPROPRIATE FOR
EXPOSURE OF CONCERN .
Ventilation:PROVIDE LOCAL EXHAUST VENTILATION &/OR GENERAL DILUTION
VENTILATION TO MEET PUBLISHED EXPOSURE LIMITS.
Protective Gloves:IMPERVIOUS GLOVES.
Eye Protection:ANSI APPROVED CHEM WORKERS GOGGS .
Other Protective Equipment:WEAR APPROP PROT (IMPERVIOUS) EQUIP TO PVNT
RPTD/PRLNG SKIN CONT W/THIS SUBSTANCE. WHERE THERE IS ANY
POSSIBLITY (ING 6)
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
EXPLO HAZ:FLASH POINT. FIRST AID PROC:SALINE, OCCAS LIFTING UPPER &
LOWER LIDS, UNTIL NO EVID OF CHEM REMAINS (AT LST 15 MINS). GET MED
ATTN IMMED. INGEST:EXTREME CARE MUST BE USED TO PVNT ASPIR. USE
GASTRIC LAVAGE W/ACTIVATED CHARCOAL & CUFFED ENDOTRACHEAL TUBE W/IN
15 MINS. IN ABSENCE OF DEPRESS/CONVLS/ (ING 2)

Boiling Pt:B.P. Text:336F,169C
Melt/Freeze Pt:M.P/F.P Text:-47F,-44C
Vapor Pres:1.7 @ 20C
Appearance and Odor:COLORLESS LIQUID W/AROMATIC ODOR.
Percent Volatiles by Volume:100

Stability Indicator/Materials to Avoid:YES
STRONG OXIDIZERS: FIRE & EXPLOSION HAZARD.
Stability Condition to Avoid:STABLE UNDER NORMAL TEMPERATURES &
PRESSURES.
Hazardous Decomposition Products:THERMAL DECOMPOSITION PRODUCTS MAY
INCLUDE TOXIC OXIDES OF CARBON.

Waste Disposal Methods:DISPOSAL MUST BE I/A/W FEDERAL, STATE & LOCAL
REGULATIONS . DISPOSAL MUST BE I/A/W STANDARDS APPLICABLE TO
GENERATORS OF HAZARDOUS WASTE, 40 CFR 262. EPA HAZ WASTE NUMBER
D001.

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particular situation.