ALDRICH CHEMICAL CO -- SELENIUM POWDER--100 MESH 99.5+%, 20965-1  -- 6810-00N040941
<pre>=====================  Product Identification  =====================

Product ID:SELENIUM POWDER--100 MESH 99.5+%, 20965-1
MSDS Date:07/15/1987
FSC:6810
NIIN:00N040941
=== 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:SELENIUM  (SARA III)
CAS:7782-49-2
RTECS #:VS7700000
Fraction by Wt: >99.5%
OSHA PEL:0.2 MG/M3
ACGIH TLV:0.2 MG/M3
EPA Rpt Qty:1 LB
DOT Rpt Qty:1 LB

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

LD50 LC50 Mixture:LD50 (ORAL,RAT): 6700 MG/KG.
Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:YES
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:ACUTE: HARMFUL IF SWALLOWED, INHALED,
    OR ABSORBED THROUGH SKIN. EXPOSURE CAN CAUSE STOMACH PAINS,
    VOMITING, DIARRHEA, COUGHING, CHEST PAINS, DIFFICULTY IN BREATHING,
    LUNG IRRITATION, DERMATITIS.
Explanation of Carcinogenicity:NOT RELEVANT.
Effects of Overexposure:SEE HEALTH HAZARDS.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

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

First Aid:EYE: IMMED FLUSH WITH COPIOUS AMTS OF WATER FOR AT LST 15
    MINS. ASSURE ADEQ FLUSHING BY SEPARATING EYELIDS WITH FINGERS.
    SKIN: IMMED FLUSH WITH COPIOUS AMTS OF WATER FOR AT LEAST 15
    MINUTES WHILE REMO VING CONTAMINATED CLOTHING AND SHOES. DISCARD
    CONTAMD CLTHG & SHOES. INHAL: REMOVE TO FRESH AIR. IF NOT BRTHG
    GIVE ARTF RESP. IF BRTHG IS DFCLT, GIVE OXYGEN. CALL PHYS. INGEST:
    CALL MD IMMED .

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

Extinguishing Media:USE EXTINGUISHING MEDIA APPROPRIATE TO SURROUNDING
    FIRE CONDITIONS. NONCOMBUSTIBLE.
Fire Fighting Procedures:WEAR NIOSH/MSHA APPROVED SCBA AND FULL
    PROTECTIVE EQUIPMENT .
Unusual Fire/Explosion Hazard:EMITS TOXIC FUMES UNDER FIRE CONDITIONS.

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

Spill Release Procedures:EVAC AREA. WEAR NIOSH/MSHA APPROVED
    SELF-CONTAINED BREATHING APPARATUS, RUBBER BOOTS AND HEAVY RUBBER
    GLOVES. SWEEP UP, PLACE IN BAG AND HOLD FOR WASTE DISPOSAL. AVOID
    RAISING DUST. VENTILATE AREA AND  WASH SPILL SITE AFTER MATERIAL
    PICKUP IS COMPETE.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:KEEP TIGHTLY CLOSED.
Other Precautions:TOXIC. HARMFUL DUST. READILY ABSORBED THROUGH SKIN.
    DO NOT BREATHE DUST. AVOID CONTACT AND INHALATION. DO NOT GET IN
    EYES, ON SKIN, ON CLOTHING.

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

Respiratory Protection:NIOSH/MSHA APPROVED RESPIRATOR.
Ventilation:USE ONLY IN A CHEMICAL FUME HOOD.
Protective Gloves:LONG RUBB/NEOPRENE GAUNTLET GLOVES.
Eye Protection:ANSI APRV CHEM WORK GOGG .
Other Protective Equipment:IMPERVIOUS PROTECTIVE CLOTHING. SAFETY
    SHOWER AND EYE BATH.
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
NONE SPECIFIED BY MANUFACTURER.

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

Melt/Freeze Pt:M.P/F.P Text:423F,217C
Spec Gravity:4.810
Appearance and Odor:NONE SPECIFIED BY MANUFACTURER.

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

Stability Indicator/Materials to Avoid:YES
STRONG OXIDIZING AGENTS, CONTACT WITH ACID.
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:TOXIC FUMES.

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

Waste Disposal Methods:MATERIAL IN ELEMENTAL STATE SHOULD BE RECOVERED
    FOR REUSE OR RECYCLING. OBSERVE ALL FEDERAL, STATE AND LOCAL LAWS.

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 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
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