ALDRICH CHEMICAL COMPANY -- CHROMIUM(VI)OXIDE, 98+% ACS REAGENT 23647-0 -- 6850-00N014396 
=====================  Product Identification  =====================

Product ID:CHROMIUM(VI)OXIDE, 98+% ACS REAGENT 23647-0
MSDS Date:03/20/1990
FSC:6850
NIIN:00N014396
=== Responsible Party ===
Company Name:ALDRICH CHEMICAL COMPANY
Box:355
City:MILWAUKEE
State:WI
ZIP:53201
Country:US
Info 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:ING 2: CHROMIUM(VI) OXIDE DECOMPOSES AT 250C TO CR*2O*3 &
    OXYGEN. SUPP DATA: BURIAL AS HAZ WASTE. DESTROY (SEE ING 4)
RTECS #:9999999ZZ

Ingred Name:ING 3: EXCESS SULFIDE, NEUTRALIZE & FLUSH SOLN DOWN DRAIN.
    DISPOSE OF IN ACCORDANCE WITH FEDERAL, STATE AND LOCAL LAWS.
RTECS #:9999999ZZ

Ingred Name:CHROMIUM(VI) OXIDE, (1:3) 98+%, A.C.S. REAGENT
CAS:1333-82-0
RTECS #:GB6650000
Fraction by Wt: 98%+
OSHA PEL:0.1 MG/M3 (CRO*3)
ACGIH TLV:0.05 MG/M3 (CR)

Ingred Name:HNGLD/STOR PREC: KEEP TIGHTLY CLOSED. STORE IN A COOL DRY
    PLACE. OTHER PREC: CAN EXPLODE VIOLENTLY. (SEE ING 3)
RTECS #:9999999ZZ

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

LD50 LC50 Mixture:SEE SUPP DATA
Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:NO
Reports of Carcinogenicity:NTP:YES    IARC:YES	  OSHA:NO
Health Hazards Acute and Chronic:ACUTE: MAY BE FATAL IF INHALED,
    SWALLOWED, OR ABSORBED THRU SKIN. MATL IS EXTREMELY DESTRUCTIVE TO
    TISS OF MUCOUS MEMBRANES & UPPER RESP TRACT, EYES & SKIN. INHAL MAY
    BE FATAL AS A RESULT OF SPASM, IN FLAM & EDEMA OF THE LARYNX &
    BRONCHI, CHEM PNEUM & PULM EDEMA. CHRONIC: DMG TO LUNGS & KIDNEYS.
Explanation of Carcinogenicity:IARC-GROUP 1. NTP GROUP 2B.
Effects of Overexposure:BURNING SENSATION, COUGHING, WHEEZING,
    LARYNGITIS, SHORTNESS OF BREATH, HEADACHE, NAUSEA AND VOMITING.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

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

First Aid:EYES & SKIN: IMMEDIATELY FLUSH WITH COPIOUS AMOUNTS OF WATER
    FOR AT LEAST 15 MINUTES WHILE REMOVING CONTAMINATED CLOTHING AND
    SHOES. USE PROTECTIVE CLOTHING, GLOVES AND MASK. ASSURE ADEQUATE
    FLUSHING  OF EYES BY SEPARATING LIDS WITH FINGERS. INHAL: REMOVE TO
    FRESH AIR. IF NOT BREATHING GIVE ARTIFICIAL RESPIRATION. IF
    BREATHING IS DIFFICULT, GIVE OXYGEN. CALL MD. INGEST: CALL MD IMMED
    .

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

Flash Point:NONCOMBUSTIBLE
Extinguishing Media:USE EXTINGUISHING MEDIA APPROPRIATE TO SURROUNDING
    FIRE CONDITIONS. USE WATER SPRAY TO COOL FIRE EXPOSED CONTAINERS.
Fire Fighting Procedures:WEAR NIOSH/MSHA APPROVED SCBA AND PROTECTIVE
    CLOTHING TO PREVENT CONTACT WITH SKIN AND EYES.
Unusual Fire/Explosion Hazard:EMITS TOX FUMES UNDER FIRE CNDTNS. STRONG
    OXIDIZER. CONT W/OTHER MATL MAY CAUSE FIRE. THIS MATL IS CAPABLE OF
    CREATING DUST EXPLOSION.

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

Spill Release Procedures:EVAC AREA. WEAR NIOSH/MSHA APPROVED SCBA,
    RUBBER BOOTS AND HEAVY RUBBER GLOVES. WEAR DISPOSABLE COVERALLS &
    DISCARD THEM AFTER USE. SWEEP UP, PLACE IN A BAG AND HOLD FOR WASTE
    DISP. AVOID RAISING DUST . VENT AREA & WASH SPILL SITE AFTER MATL
    PICKUP.
Neutralizing Agent:SEE WASTE DISPOSAL METHOD.

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

Handling and Storage Precautions:DO NOT BREATHE DUST. KEEP AWAY FROM
    COMBUST MATLS/HEAT/SPARKS/OPEN FLAME. DO NOT STORE NEAR, NOR ALLOW
    CONT W/CLTHG & OTHER COMBUST MATL. (SEE ING 2)
Other Precautions:DO NOT GET IN EYES, ON SKIN OR CLTHG. AVOID
    PRLNGD/RPTD EXPOS. HIGHLY TOX. CARCIN. CORR. HYGROSCOPIC.
    CHROMIUM(VI) OXIDE PRODUCES INCANDESCENCE WHEN MIXED WITH: AS,
    NH*3, H2*S, P, K, NA AND SE. MIX OF  CHROMIUM(VI) OXIDE & DMF (SEE
    ING 2)

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

Respiratory Protection:WEAR APPROPRIATE 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:PROTECTIVE CLOTHING, SAFETY SHOWER AND EYE
    BATH.
Work Hygienic Practices:WASH THOROUGHLY AFTER USE AND BEFORE EATING,
    DRINKING, SMOKING OR USING SANITARY FACILITIES .
Supplemental Safety and Health
LD50-LC50 MIX: LD50:(ORL,RAT) 80 MG/KG, (ORL,MUS) 127 MG/KG, (IPR,MUS)
    14 MG/KG. WASTE DISP METH: ADDN OF ABOUT 10% OF THE SODIUM
    BISULFITE SOLN INITIATE IT BY CAUTIOUSLY ADDING MORE ACID. IF
    MANGANES E, CHROMIUM, OR MOLYBDENUM ARE PRESENT ADJUST THE PH OF
    SOLN TO 7 & TREAT W/SULFIDE TO PRECIPITATE FOR (SEE ING 3)

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

Melt/Freeze Pt:M.P/F.P Text:385F,196C
Spec Gravity:2.700
Appearance and Odor:RED POWDER.

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

Stability Indicator/Materials to Avoid:YES
ORGANIC MATERIALS, HEAT, PHOSPHORUS, HYDROGEN SULFIDE GAS. AVOID
    CONTACT WITH METALS.
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:NATURE OF DECOMPOSITION PRODUCTS NOT
    KNOWN.

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

Waste Disposal Methods:CAUTIOUSLY ACIDIFY A 3% SOLN OR A SUSPENSION OF
    MATL TO PH 2 W/SULFURIC ACID. GRAD ADD A 50% EXCESS OF ACQUEOUS
    SODIUM BISULFITE W/STIRRING AT ROOM TEMP. AN INCREASE IN TEMP
    INDICATES THAT A RXN IS TA KING PLACE. IF NO RXN IS OBSERVED ON
    (SUPP DATA)

 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.