FISHER SCIENTIFIC CO CHEMICAL DIV. -- SODIUM THIOSULFATE PENTAHYDRATE  -- 6810-00-234-8380
<pre>=====================  Product Identification  =====================

Product ID:SODIUM THIOSULFATE PENTAHYDRATE
MSDS Date:12/02/1991
FSC:6810
NIIN:00-234-8380
=== Responsible Party ===
Company Name:FISHER SCIENTIFIC CO CHEMICAL DIV.
Address:1 REAGENT LANE
City:FAIR LAWN
State:NJ
ZIP:07410
Country:US
Info Phone Num:201-796-7100
Emergency Phone Num:201-796-7100 OR 201-796-7523
CAGE:1B464
=== Contractor Identification ===
Company Name:FISHER SCIENTIFIC CO.  CHEMICAL MFG DIV
Address:1 REAGENT LANE
Box:City:FAIRLAWN
State:NJ
ZIP:07410-2802
Country:US
Phone:201-796-7100
CAGE:1B464

=============  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:NO	Skin:YES  Ingestion:NO
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:ACUTE: IRRITATION OF SKIN AND EYES.
    CHRONIC: UNKNOWN.
Explanation of Carcinogenicity:THIS COMPOUND CONTAINS NO INGREDIENTS AT
    CONCENTRATIONS OF 0.1% OR GREATER THAT ARE CARCINOGENS OR SUSPECT
    CARCINOGENS.
Effects of Overexposure:EYES: REDNESS, BURNING SENSATION, TEARING.
    SKIN: REDNESS, ITCHING, BURNING SENSATION.
Medical Cond Aggravated by Exposure:PERSONS WITH A HISTORY OF AILMENTS
    OR WITH A PRE-EXISTING DISEASE INVOLVING THE SKIN MAY BE AT
    INCREASED RISK FROM EXPOSURE.

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

First Aid:EYES: FLUSH WITH RUNNING WATER FOR 15 MINUTES WHILE HOLDING
    EYELIDS OPEN. GET MEDICAL ATTENTION IMMEDIATELY. SKIN: WASH WITH
    SOAP AND WATER. REMOVE CONTAMINATED CLOTHING. GET MEDICAL ADVICE.
    INHALATIO N: REMOVE TO FRESH AIR. RESUSCITATE IF NEEDED. GET
    MEDICAL ATTENTION. INGESTION: DO NOT INDUCE VOMITING. GET MEDICAL
    ATTENTION.

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

Flash Point:NONE
Extinguishing Media:USE WATER FOG, CARBON DIOXIDE, FOAM, OR DRY
    CHEMICAL.
Fire Fighting Procedures:WEAR FIRE FIGHTING PROTECTIVE EQUIPMENT AND A
    FULL FACED SELF CONTAINED BREATHING APPARATUS. COOL FIRE EXPOSED
    CONTAINERS WITH WATER SPRAY.
Unusual Fire/Explosion Hazard:COMBUSTION OR HEAT OF FIRE MAY PRODUCE
    HAZARDOUS DECOMPOSITION PRODUCTS AND VAPORS.

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

Spill Release Procedures:SWEEP UP AND PLACE IN CONTAINER FOR DISPOSAL.
Neutralizing Agent:NONE

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

Handling and Storage Precautions:STORE IN A COOL, DRY PLACE. KEEP
    CONTAINERS CLOSED WHEN MATERIAL IS NOT IN USE. AVOID PROLONGED OR
    REPEATED CONTACT.
Other Precautions:NONE

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

Respiratory Protection:NONE NORMALLY REQUIRED. USE NIOSH/MSHA APPROVED
    RESPIRATOR IF PEL/TLV EXCEEDED.
Ventilation:USE ADEQUATE MECHANICAL VENTILATION.
Protective Gloves:NEOPRENE OR NITRILE RUBBER GLOVES
Eye Protection:SAFETY GLASSES - CHEMICAL SPLASH GOGGLES
Other Protective Equipment:WEAR INDUSTRIAL WORK CLOTHING. USE RUBBER
    APRON OR BOOTS IF NEEDED. HAVE EMERGENCY EYE WASH AND SAFETY SHOWER
    AVAILABLE.
Work Hygienic Practices:WASH THOROUGHLY AFTER HANDLING AND BEFORE
    EATING, DRINKING OR SMOKING. LAUNDER CONTAMINATED CLOTHING BEFORE
    REUSE.
Supplemental Safety and Health
AVOID PROLONGED OR REPEATED EXPOSURE. DO NOT GET ON SKIN OR IN EYES. DO
    NOT BREATHE VAPORS OR MIST. DO NOT INGEST. READ PRECAUTIONS ON
    LABEL BEFORE USE.

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

HCC:N1
Melt/Freeze Pt:M.P/F.P Text:118F,48C
Spec Gravity:1.7
pH:6.5
Solubility in Water:APPRECIABLE
Appearance and Odor:ODORLESS, COLORLESS CRYSTALS

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

Stability Indicator/Materials to Avoid:YES
STRONG OXIDIZING AGENTS, HALOGENS, STRONG MINERAL ACIDS, LEAD AND
    MERCURY SALTS, SODIUM NITRATE AND NITRITE.
Stability Condition to Avoid:HIGH HEAT, OPEN FLAMES AND OTHER SOURCES
    OF IGNITION
Hazardous Decomposition Products:OXIDES OF SULFUR AND SODIUM OXIDE

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

Waste Disposal Methods:CONTACT LOCAL ENVIRONMENTAL MANAGER. DISPOSAL OF
    WASTE AND HAZARDOUS MATERIAL SHALL COMPLY WITH LOCAL, STATE AND
    FEDERAL ENVIRONMENTAL PROTECTION AGENCY 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.