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MSDS  : BENZENE, 99%, A.C.S. REAGENT, 31995-3
CAS  : 71-43-2
NAME  : benzene ; (sara iii) (benzene, 99% a.c.s. reagent)
supp data: skin contact may cause erythema. rptd or prlngd
ing 2: or development of secondary skin infections. the
ing 3:from the nose, gums or mucous membranes & the
ing 4:leukopenia, thrombocytopenia, aplastic anemia &
ing 5: may appear normal, aplastic or hyperplastic, & may
ing 6:onset of efts of prlngd benzene expos may be delayed
===================== Product Identification =====================

MSDS NAME:BENZENE, 99%, A.C.S. REAGENT, 31995-3
NIIN:00N037941
MSDS Number: BQVJQ
=== Responsible Party ===
Company: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: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 =============

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

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

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

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

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

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

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 .

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.

*** END OF RECORD ***
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