GENERAL CHEMICAL CORPORATION -- SODIUM THIOSULFATE  -- 6810-00-233-0110
<pre>=====================  Product Identification  =====================

Product ID:SODIUM THIOSULFATE
MSDS Date:10/01/1988
FSC:6810
NIIN:00-233-0110
=== Responsible Party ===
Company Name:GENERAL CHEMICAL CORPORATION
Address:90 E HALSEY RD
Box:395
City:PARSIPPANY
State:NJ
ZIP:07054
Country:US
Info Phone Num:201-515-1840
Emergency Phone Num:800-831-8050
CAGE:0AU44
=== Contractor Identification ===
Company Name:GENERAL CHEMICAL CORPORATION
Address:90 EAST HALSEY ROAD
Box:City:PARSIPPANY
State:NJ
ZIP:07054
Country:US
Phone:973-515-1840
CAGE:0AU44

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

Ingred Name:SODIUM THIOSULFATE, PENTAHYDRATE
CAS:10102-17-7
RTECS #:WE6660000
Fraction by Wt: 100%
Other REC Limits:NONE SPECIFIED

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

Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:NO
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:INHALATION:BREATHING PRODUCT DUST OR
    MIST MAY IRRITATE RESPIRATORY TRACT. INGESTION:LOW TOXICITY BUT MAY
    CAUSE IRRITATION TO THE GASTROINTESTINAL TRACT AND PURGING.
    SKIN:IRRITATION FROM PROLONGED CONT ACT. EYES:MAY IRRITATE OR BURN
    AND CAUSE TEMPORARY CINJUNCTIVITIS.
Effects of Overexposure:SEE HEALTH HAZARDS
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

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

First Aid:INHALATION:REMOVE TO FRESH AIR. IF SHORT OF BREATH, GIVE
    OXYGEN. IF SYMPTOMS PERSIST, GET MEDICAL ATTENTION. INGESTION: IF
    CONSCIOUS, GIVE 2 TO 4 GLASSES OF WATER AND INDUCE VOMITING.
    EYES:FLUSH EYES  WITH PLENTY OF WATER FOR AT LEAST 15 MIN.
    SKIN:WASH WITH SOAP AND WATER UNTIL ALL OF THE CHEMICAL IS REMOVED.
    REMOVE CONTAMINATED CLOTHING. SEEK MEDICAL ATTENTION IF SYMPTOMS
    PERSIST.

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

Flash Point:NON-COMBUSTIBLE
Extinguishing Media:IF INVOLVED IN A FIRE, CHOSE EXTINGUISHING AGENT
    MOST SUITABLE FOR TYPE OF SURROUNDING FIRE.
Fire Fighting Procedures:NIOSH APPROVED BREATHING APPARATUS SHOULD BE
    USED BY FIRE-FIGHTERS. SKIN AND EYE PROTECTION SHOULD ALSO BE USED.
    USE WATER SPRAY TO COOL NEARBY CONTAINERS.
Unusual Fire/Explosion Hazard:IF INVOLVED IN AFIRE, TOXIC AND
    IRRITATION GASES AND RESIDUE MAY EVOLVE.

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

Spill Release Procedures:PROMPTLY SHOVEL OR SWEEP UP THE DRY CHEMICAL
    INTO AN EMPTY CONTAINER WITH A MINIMUM OF DUSTING. COVER AND STORE.
    CAUTIOUSLY SPRAY RESIDUE WITH PLENTY OF WATER TO COMPLETE CLEAN-UP.

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

Handling and Storage Precautions:STORE IN A COOL, DRY AREA, AWAY FROM
    ACIDS AND OXIDIZERS. KEEP CONTAINER CLOSED WHEN NOT IN USE AND
    PROTECT FROM PHYSICAL DAMAGE.
Other Precautions:AVOID CONTACT WITH EYES, SKIN ABD CLOTHING. DO NOT
    BREATH DUST.

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

Respiratory Protection:USE A NIOSN APPROVED DUST RESPIRATOR. IF SULFUR
    DIOXIDE SHOULD BE RELEASED, USE A SUPPLIED-AIR RESPIRATOR OR
    SELF-CONTAINED BREATHING APPARATUS.
Ventilation:PROVIDE LOCAL EXHAUST IF DUSTY CONDITIONS PREVAIL, AND IF
    THERE SHOULD BE A RELEASE OF SULFUL DIOXIDE GAS.
Protective Gloves:COTTON GLOVES ARE GENERALLY ADEQUATE.
Eye Protection:CHEMICAL SAFETY GOGGLES.
Other Protective Equipment:FOR ROUTINE PRODUCT-HABDLING OR USE, WEAR
    FULL WORK CLOTHING. INCLUDING LONG-SLEEVED SHIRT AND TROUSERS.
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING THIS MATERIAL.
Supplemental Safety and Health
PROVIDE EYE-WASH FACILITIES CONVENIENT TO AREAS OF USE OR HANDLING.
    CONTACT WITH ACIDS RELEASES SULFUR DIOXIDE GAS. WHEN DISSOLVING
    THIS MATERIAL, ADD TO WATER CAUTIOUSLY AND WITH STIRRING AS
    SOLUTIOS  CAN GET HOT AND MAY SPLATTER.

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

HCC:N1
Boiling Pt:B.P. Text:DECOMPOSES
Melt/Freeze Pt:M.P/F.P Text:118F,48C
Decomp Temp:Decomp Text:212F,100C
Spec Gravity:1.685
pH:@ 9
Solubility in Water:42% @ 0C
Appearance and Odor:CLEAR TO WHITE CRYSTALS OR GRANULES WITH NO ODOR.

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

Stability Indicator/Materials to Avoid:YES
STRONG OXIDIZERS, ACIDS AND WATER REACTIVE MATERIALS.
Stability Condition to Avoid:HIGH TEMPERATURES (ABOVE 100C).
Hazardous Decomposition Products:SULFUR DIOXIDE GAS AND SODIUM SULFIDE
    RESIDUE.

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

Waste Disposal Methods:CONTACT APPROPRIATE REGULATORY AUTHORITIES FOR
    APPROVED METHODS OF DISPOSAL.

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