MALLINCKRODT CHEMICAL DIV OF MALLINCKRODT -- SODIUM THIOSULFATE ANHYDROUS  -- 6810-00F048664
<pre>=====================  Product Identification  =====================

Product ID:SODIUM THIOSULFATE ANHYDROUS
MSDS Date:02/13/1996
FSC:6810
NIIN:00F048664
=== Responsible Party ===
Company Name:MALLINCKRODT CHEMICAL DIV OF MALLINCKRODT
Address:16305 SWINGLEY RIDGE DR
City:CHESTERFIELD
State:MO
ZIP:63017-5000
Country:US
Info Phone Num:314-530-2000/314-539-1600
Emergency Phone Num:314-539-1600/314-530-2000
CAGE:23104
=== Contractor Identification ===
Company Name:MALLINCKRODT CHEMICAL WORKS LTD
Address:600 DELMAR
City:POINTE CLAIRE QUE CAN H9R
CAGE:23104

=============  Composition/Information on Ingredients  =============

Ingred Name:SODIUM THIOSULFATE ANHYDROUS; THIOSULFURIC ACID, DISODIUM
    SALT
CAS:7772-98-7
RTECS #:XN6476000

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

Routes of Entry: Inhalation:YES  Skin:NO  Ingestion:YES
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:INHALATION: IRRITATION TO MUCOUS
    MEMBRANES. EYES/SKIN: MILD IRRITATION.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:IRRITATION, DIARRHEA.

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

First Aid:INHALATION: REMOVE TO FRESH AIR. INGESTION: GIVE SEVERAL
    GLASSES OF WATER. SKIN: WASH W/SOAP & WATER. EYES: WASH THOROUGHLY
    W/RUNNING WATER.

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

Extinguishing Media:SUITABLE FOR SURROUDNING FIRE.
Fire Fighting Procedures:USE PROTECTIVE CLOTHING & BREATHING EQUIPMENT.

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

Spill Release Procedures:VENTILATE AREA. WEAR APPROPRIATE PERSONAL
    PROTECTIVE EQUIPMENT. SWEEP UP & CONTAIN FOR DISPOSAL.
    VACUUMING/WET SWEEPING MAY BE USED TO AVOID DUST.

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

Handling and Storage Precautions:KEEP IN A TIGHTLY CLOSED CONTAINER,
    STORED IN A COOL, DRY, VENTILATED AREA. PROTECT AGAINST PHYSICAL
    DAMAGE.
Other Precautions:CONTAINERS MAY BE HAZARDOUS SINCE THEY RETAIN PRODUCT
    RESIDUES.

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

Respiratory Protection:USE DUST/MIST RESPIRATOR. FOR LEVELS UNKOWN USE
    POSITIVE-PRESSURE AIR RESPIRATOR.
Ventilation:LOCAL EXHAUST
Protective Gloves:RECOMMENDED
Eye Protection:SAFETY GLASSES, EYEWASH FOUNTAIN
Other Protective Equipment:BODY-COVERING CLOTHING, QUICK DRENCH
    FACILITIES
Supplemental Safety and Health

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

Melt/Freeze Pt:M.P/F.P Text:212F
Spec Gravity:1.69
Appearance and Odor:MONOCLINIC, COLORLESS CRYSTALS

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

Stability Indicator/Materials to Avoid:YES
METAL NITRATES, SODIUM NITRITE, IODINE, ACIDS, LEAD, MERCURY & SILVER
    SALTS.
Hazardous Decomposition Products:HEATED: TOXIC HYDROGEN SULFIDE &
    OXIDES OF SULFUR & SODIUM OXIDE WHEN HEATED TO DECOMPOSITION.

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

Waste Disposal Methods:DISPOSE OF IAW/FEDERAL, STATE & LOCAL
    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.