ALDRICH CHEMICAL CO -- BENZENE, 99%, A.C.S. REAGENT, 31995-3 -- 6810-00N037941 
=====================  Product Identification  =====================

Product ID:BENZENE, 99%, A.C.S. REAGENT, 31995-3
MSDS Date:04/09/1992
FSC:6810
NIIN:00N037941
=== Responsible Party ===
Company Name:ALDRICH CHEMICAL CO
Box:355
City:MILWAUKEE
State:WI
ZIP:53201
Country:US
Info Phone Num:414-273-3850
Emergency Phone Num:414-273-3850
CAGE:60928
=== Contractor Identification ===
Company Name:ALDRICH CHEMICAL CO INC
Address:1001 WEST ST PAUL AVE
Box:355
City:MILWAUKEE
State:WI
ZIP:53233
Country:US
Phone:414-273-3850
CAGE:60928

=============  Composition/Information on Ingredients  =============

Ingred Name:BENZENE ; (SARA III) (BENZENE, 99% A.C.S. REAGENT)
CAS:71-43-2
RTECS #:CY1400000
Fraction by Wt: 99%
OSHA PEL:1 PPM; 5 STEL
ACGIH TLV:10 PPM
EPA Rpt Qty:10 LBS
DOT Rpt Qty:10 LBS

Ingred Name:SUPP DATA: SKIN CONTACT MAY CAUSE ERYTHEMA. RPTD OR PRLNGD
    SKIN CNTCT MAY RSLT IN DRYING, SCALING DERMATITIS (ING 3)
RTECS #:9999999ZZ

Ingred Name:ING 2: OR DEVELOPMENT OF SECONDARY SKIN INFECTIONS. THE
    CHIEF TARGET ORGAN IS THE HEMATOPOIETIC SYSTEM. BLEEDING (ING 4)
RTECS #:9999999ZZ

Ingred Name:ING 3:FROM THE NOSE, GUMS OR MUCOUS MEMBRANES & THE
    DVELOPMENT OF PUPURIC SPOTS (SMALL BLISTERS), PANCYTOPENIA, (ING 5)
RTECS #:9999999ZZ

Ingred Name:ING 4:LEUKOPENIA, THROMBOCYTOPENIA, APLASTIC ANEMIA &
    LEUKEMIA MAY OCCUR AS THE CNDTN PROGRESES. THE BONE MARROW(ING 6)
RTECS #:9999999ZZ

Ingred Name:ING 5: MAY APPEAR NORMAL, APLASTIC OR HYPERPLASTIC, & MAY
    NOT CORRELATE W/PERIPHERAL BLOOD-FORMING TISSUE. THE (ING 7)
RTECS #:9999999ZZ

Ingred Name:ING 6:ONSET OF EFTS OF PRLNGD BENZENE EXPOS MAY BE DELAYED
    FOR MANY MONTHS/YEARS AFTER THE ACTUAL EXPOSURE HAS OCCURED.
RTECS #:9999999ZZ

=====================  Hazards Identification  =====================

LD50 LC50 Mixture:LD50: (ORAL,RAT) 930 MG/KG
Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:YES
Reports of Carcinogenicity:NTP:YES    IARC:YES	  OSHA:YES
Health Hazards Acute and Chronic:ACUTE: DANGER: CONTAINS BENZENE,
    CANCER HAZARD. HARMFUL IF SWALLOWED, INHALED, OR ABSORBED THROUGH
    SKIN. MATERIAL IS IRRITATING TO MUCOUS MEMBRANES AND UPPER
    RESPIRATORY TRACT. CAUSES SKIN IRRITATION.	CAUSES SEVERE EYE
    IRRITATION. EXPOSURECAN CAUSE NAUSEA, DIZZINESS AND HEADACHE.
    CHRONIC: CARCINOGEN.(EFTS OF OVEREXP)
Explanation of Carcinogenicity:BENZENE: KNOWN CARCINOGEN (NTP), GROUP 1
    (IARC), OSHA REGULATED. NTP 6TH ANN. RPT ON CARCIN.; OSHA REG 29
    CFR (SUPDAT)..
Effects of Overexposure:HLTH HAZ: MAY ALTER GENETIC MATL. TARGET
    ORGAN(S): BLOOD, BONE MARROW. ADDITIONAL INFO: INHAL OF HIGH CONC
    OF BENZENE MAY HAVE AN INITIAL STIMULATORY EFT ON THE CNS CHARAC BY
    EXHILARATION, NERVOUS EXC ITATION &/OR GIDDINESS, DEPRESSION,
    DROWSINESS, OR FATIGUE. THE VICTIM MAY EXPERIENCE TIGHTNESS IN
    CHEST, (SUPP DATA)
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

=======================  First Aid Measures  =======================

First Aid:EYE/SKIN: IMMEDIATELY FLUSH EYES OR SKIN WITH COPIOUS AMOUNTS
    OF WATER FOR AT LEAST 15 MIN WHILE REMOVING CONTAMINATED CLOTHING
    AND SHOES. INHAL: REMOVE TO FRESH AIR. IF NOT BREATHING GIVE ARTF
    RESP.  IF BREATHING IS DIFFICULT, GIVE OXYGEN.INGEST: WASH OUT
    MOUTH WITH WATER PROVIDED PERSON IS CONSICOUS. CALL A PHYSICIAN.
    REMOVE AND WASH CONTAMINATED CLOTHING PROMPTLY.

=====================  Fire Fighting Measures  =====================

Flash Point:12F,-11C
Lower Limits:1.3 %
Upper Limits:8 %
Extinguishing Media:CARBON DIOXIDE, DRY CHEM POWDER OR APPROPRIATE
    FOAM. WATER MAY BE EFFECTIVE FOR COOLING, BUT MAY NOT EFFECT
    EXTING.
Fire Fighting Procedures:WEAR NIOSH/MSHA APPROVED SCBA AND FULL
    PROTECTIVE EQUIPMENT  TO PREVENT CONTACT WITH SKIN AND EYES. USE
    WATER SPRAY TO COOL FIRE-EXPOSED CONTAINERS.
Unusual Fire/Explosion Hazard:EXTREMELY FLAMM. VAPOR MAY TRAVEL
    CONSIDERABLE DISTANCE TO SOURCE OF IGNITION & FLASH BACK. CONTAINER
    EXPLOSION MAY OCCUR UNDER FIRE CONDITIONS.

==================  Accidental Release Measures  ==================

Spill Release Procedures:EVAC AREA.SHUT OFF ALL SOURCES OF IGNIT.WEAR
    NIOSH/MSHA APPRVD SCBA, RUBBER BOOTS & GLOVES. COVER W/AN
    ACITIVATED CARBON ABSORBENT, TAKE UP & PLACE IN CLSD CNTNRS.
    TRANSPORT OUTDOORS. VENT AREA & WASH  SPILL SITE AFTER MATL PICK UP
    IS COMPLETE.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

======================	Handling and Storage  ======================

Handling and Storage Precautions:DO NOT BREATHE VAPOR. DO NOT GET IN
    EYES, ON SKIN, ON CLOTHING. AVOID PROLONGED OR REPEATED EXPOSURE.
    CARCINOGEN. SEVERE EYE IRRITANT.
Other Precautions:MUTAGEN. KEEP TIGHTLY CLOSED. KEEP AWAY FROM HEAT,
    SPARKS, AND OPEN FLAME. STORE IN A COOL DRY PLACE. USE NON-SPARKING
    TOOLS. HEALTH HAZ: 1910.1025, REV JULY 1992 .

=============  Exposure Controls/Personal Protection  =============

Respiratory Protection:WEAR NIOSH/MSHA APPROVED RESPIRATOR.
Ventilation:USE ONLY IN A CHEMICAL FUME HOOD.
Protective Gloves:CHEMICAL-RESISTANT GLOVES.
Eye Protection:CHEMICAL WORKERS GOGGLES 
Other Protective Equipment:SAFETY SHOWER AND EYE BATH. PROTECTIVE
    CLOTHING.
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health
EFTS OF OVEREXP: BREATHLESSNESS & LOSS OF CONC. TREMORS, CONVULSIONS &
    DEATH DUE TO RESP PARALYSIS OR CIRCULATORY COLLAPSE CAN OCCUR IN A
    FEW MINUTES TO SEVERAL HRS FOLLOWING SEVERE EXPOSURES. ASPIRAT ION
    OF SMALL AMTS OF LIQUID IMMEDIATELYCAUSES PULMONARY EDEMA &
    HEMORRHAGE OF PULMONARY TISSUE. DIRECT (ING 2)

==================  Physical/Chemical Properties  ==================

Boiling Pt:B.P. Text:176F,80C
Vapor Pres:74.6 @ 20C
Vapor Density:2.77
Spec Gravity:0.879
Appearance and Odor:COLORLESS LIQUID.

=================  Stability and Reactivity Data  =================

Stability Indicator/Materials to Avoid:YES
OXIDIZING AGENTS.
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:TOXIC FUMES OF: CARBON MONOXIDE,
    CARBON DIOXIDE.

====================  Disposal Considerations  ====================

Waste Disposal Methods:BURN IN A CHEMICAL INCINERATOR EQUIPPED WITH AN
    AFTERBURNER AND SCRUBBER BUT EXERT EXTRA CARE IN IGNITING AS THIS
    MATERIAL IS HIGHLY FLAMMABLE. DISPOSAL MUST BE IN ACCORDANCE WITH
    FEDERAL, STATE AND L OCAL REGULATIONS .

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