ALDRICH CHEMICAL CO SUB OF SIGMA-ALDRICH -- 21662-3 SODIUM CHROMATE TETRAHYDRATE 99%  -- 6810-00F036974
<pre>=====================  Product Identification  =====================

Product ID:21662-3 SODIUM CHROMATE TETRAHYDRATE 99%
MSDS Date:07/13/1994
FSC:6810
NIIN:00F036974
=== Responsible Party ===
Company Name:ALDRICH CHEMICAL CO SUB OF SIGMA-ALDRICH
Address:1001 W ST PAUL AVE
Box:355
City:MILWAUKEE
State:WI
ZIP:53201-5000
Country:US
Info Phone Num:414-273-3850/314-771-5765
Emergency Phone Num:414-273-3850/314-771-5765
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:CHROMIC ACID, DISODIUM SALT, TETRAHYDRATE	 *94-3*
CAS:10034-82-9
RTECS #:GB2958300
Fraction by Wt: 99%

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

Routes of Entry: Inhalation:NO	Skin:NO  Ingestion:NO
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:HARMFUL IF SWALLOWED, INHALED/ABSORBED
    THROUGH SKIN. EYES: IRRITATION. SKIN: IRRITATION. INHALATION:
    RESPIRATORY TRACT IRRITATION. MAY CAUSE HERITABLE GENETIC DAMAGE.
    MUTAGEN.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:HARMFUL IF SWALLOWED, INHALAED/ABSORBED THROUGH
    SKIN. EYES/SKIN: IRRITATION. INHALATION: RESPIRATORY TRACT
    IRRITATION. MAY CAUSE HERITABLE GENETIC DAMAGE. MUTAGEN.

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

First Aid:EYES/SKIN: FLUSH W/COPIOUS AMOUNTS OF WATER FOR 15 MINS.
    INHALATION: REMOVE TO FRESH AIR. IF NOT BREATHING GIVE CPR. IF
    BREATHING IS DIFFICULT, GIVE OXYGEN. INGESTION: WASH OUT MOUTH
    W/WATER PROVIDED  PERSON IS CONSCIOUS. OBTAIN MEDICAL ATTENTION IN
    ALL CASES.

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

Flash Point:NON-COMBUSTIBLE
Extinguishing Media:USE EXTINGUISHING MEDIA APPROPRIATE TO SURROUNDING
    FIRE CONDITIONS.
Fire Fighting Procedures:WEAR SCBA & PROTECTIVE CLOTHING.
Unusual Fire/Explosion Hazard:CONTACT W/OTHER MATERIALS MAY CAUSE FIRE.
    OXIDIZER. UNDER CERTAIN CONDITIONS, DRY MIXTURES OF CHROMATES
    W/AZO-DYES MAY LEAD TO VIOLENT EXPLOSIONS.

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

Spill Release Procedures:EVACUATE AREA. WEAR SCBA, RUBBER BOOTS & HEAVY
    RUBBER GLOVES. WEAR DISPOSABLE COVERALLS & DISCARD AFTER USE. SWEEP
    UP, PLACE IN A BAG & HOLD FOR WASTE DISPOSAL. AVOID RAISING DUST.
    VENTILATE AREA & WA SH SITE AFTER PICKUP IS COMPLETE.

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

Handling and Storage Precautions:KEEP TIGHTLY CLOSED. DON'T STORE
    NEAR/ALLOW CONTACT W/CLOTHING & OTHER COMBUSTIBLE MATERIAL. STORE
    IN A COOL DRY PLACE. PRODUCT IS HYGROSCOPIC.
Other Precautions:DON'T BREATHE DUST. DON'T GET IN EYES, ON
    SKIN/CLOTHING. AVOID PROLONGED/REPEATED EXPOSURE.

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

Respiratory Protection:NIOSH/MSHA APPROVED RESPIRATOR
Ventilation:CHEMICAL FUME HOOD ONLY
Protective Gloves:CHEMICAL-RESISTANT
Eye Protection:SAFETY GOGGLES
Other Protective Equipment:PROTECTIVE CLOTHING, SAFETY SHOWER, EYE BATH
Work Hygienic Practices:REMOVE/LAUNDER CONTAMINATED CLOTHING BEFORE
    REUSE. WASH THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health
WASTE DISPOSAL CONT'D: IF NO REACTION IS OBSERVE AFTER THE ADDITION OF
    10% BISULFITE SOLUTION, ADD MORE ACID. IF
    MANGANESE/CHROMIUM/MOLYBDENUM ARE PRESENT, ADJUST PH TO 7 & TREAT
    W/SULFIDE TO PRECIPIT ATE FOR BURIAL AS HARDOUSE WASTE. DESTROY
    EXCESS SULFIDE/NEUTRALIZE/FLUSH DOWN THE DRAIN
    IAW/LOCAL/STATE/FEDERAL REGS.

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

Appearance and Odor:YELLOW CRYSTALLINE CHUNKS

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

Stability Indicator/Materials to Avoid:YES
STRONG REDUCING AGENTS, COMBUSTIBLE MATERIALS, AZO-DYES
Stability Condition to Avoid:MOISTURE
Hazardous Decomposition Products:TOXIC FUMES

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

Waste Disposal Methods:ACIDIFY A 3% SOLUTION/A SUSPENSION TO PH 2
    W/SULFURIC ACID. GRADUALLY ADD A 50% EXCESS OF AQUEOUS SODIUM
    BISULFITE W/STIRRINGAT ROOM TEMP. INCREASE IN TEMP INDICATES A
    REACTION IS TAKING PLACE. (SEE S UPP)

 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.