ALDRICH CHEMICAL CO INC. -- SELENIOUS ACID, 99.999%, 22985-7  -- 6810-00N016634
<pre>=====================  Product Identification  =====================

Product ID:SELENIOUS ACID, 99.999%, 22985-7
MSDS Date:09/10/1987
FSC:6810
NIIN:00N016634
=== Responsible Party ===
Company Name:ALDRICH CHEMICAL CO INC.
Address:1001 W. ST. PAUL AVE
Box:355
City:MILWAUKEE
State:WI
ZIP:53201
Country:US
Info Phone Num:414-273-3850/FAX -4979
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:SELENIOUS ACID  (SARA III)
CAS:7783-00-8
RTECS #:VS7175000
Fraction by Wt: 99.999%
OSHA PEL:0.2 MG/M3 (SE)
ACGIH TLV:0.2 MG/M3 (SE)
EPA Rpt Qty:10 LBS
DOT Rpt Qty:10 LBS

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

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:YES
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:ACUTE:MAY BE FATAL IF INHALED,
    SWALLOWED OR ABSORBED THROUGH SKIN. CAUSES EYE & SKIN IRRITATION.
    MATERIAL IS IRRITATING TO MUCOUS MEMBRANES & UPPER RESPIRATORY
    TRACT. TO THE BEST OF OUR KNOWLEDGE, THE  CHEMICAL, PHYSICAL &
    TOXICOLOGICAL PROPERTIES HAVE NOT BEEN THOROUGHLY INVESTIGATED.
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:INGEST:CALL MD IMMEDIATELY . EYES:IMMEDIATELY FLUSH W/COPIOUS
    AMOUNTS OF WATER FOR AT LEAST 15 MINUTES. SKIN:IMMEDIATELY FLUSH
    W/COPIOUS AMOUNTS OF WATER FOR AT LEAST 15 MINUTES WHILE REMOVING C
    ONTAM CLTHG & SHOES. WASH CONTAMINATED CLOTHING BEFORE REUSE.
    INHAL:REMOVE TO FRESH AIR. IF NOT BREATHING GIVE ARTIFICIAL
    RESPIRATION. IF BREATHING IS DIFFICULT, GIVE OXYGEN. CALL MD.

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

Extinguishing Media:WATER SPRAY.
Fire Fighting Procedures:WEAR NIOSH/MSHA APPROVED SCBA & FULL
    PROTECTIVE EQUIPMENT . OXIDIZER.
Unusual Fire/Explosion Hazard:CONTACT W/OTHER MATERIAL MAY CAUSE FIRE.
    EMITS TOXIC FUMES UNDER FIRE CONDITIONS.

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

Spill Release Procedures:EVACUATE AREA. WEAR NIOSH/MSHA APPROVED SCBA,
    RUBBER BOOTS & HEAVY RUBBER GLOVES. COVER W/DRY LIME OR SODA ASH,
    PICK UP, KEEP IN CLOSED CONTAINER & HOLD FOR WASTE DISPOSAL.
    VENTILATE AREA & WASH SPILL  SITE AFTER MATERIAL PICKUP IS
    COMPLETE.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:AVOID BREATHING DUST. DO NOT GET IN
    EYES, ON SKIN, ON CLOTHING. AVOID PROLONGED OR REPEATED EXPOSURE.
    HIGHLY TOXIC. IRRITANT. KEEP TIGHTLY CLOSED.
Other Precautions:KEEP AWAY FROM COMBUSTIBLE MATERIALS, HEAT, SPARKS &
    OPEN FLAME. HYGROSCOPIC. STORE IN A COOL DRY PLACE.

=============  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:OTHER PROTECTIVE CLOTHING. SAFETY SHOWER &
    EYE BATH.
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health
NONE SPECIFIED BY MANUFACTURER.

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

HCC:D2
Spec Gravity:3.004
Appearance and Odor:NONE SPECIFIED BY MANUFACTURER.

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

Stability Indicator/Materials to Avoid:YES
STRONG REDUCING AGENTS.
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:SELENIUM, SELENIUM OXIDES.

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

Waste Disposal Methods:BURY IN A LANDFILL SITE APPROVED FOR THE
    DISPOSAL OF CHEMICAL & HAZARDOUS WASTES. OBSERVE ALL FEDERAL, STATE
    & LOCAL LAWS.

 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.