FISHER SCIENTIFIC -- SODIUM THIOSULFATE PENTAHYDRATE PURE, S445 3  -- 6810-00N084230
<pre>=====================  Product Identification  =====================

Product ID:SODIUM THIOSULFATE PENTAHYDRATE PURE, S445 3
MSDS Date:03/04/1996
FSC:6810
NIIN:00N084230
=== Responsible Party ===
Company Name:FISHER SCIENTIFIC
Address:1 REAGENT LANE
City:FAIR LAWN
State:NJ
ZIP:07410
Country:US
Info Phone Num:201-796-7100
Emergency Phone Num:800-424-9300 (CHEMTREC)
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%
OSHA PEL:N/K 
ACGIH TLV:N/K 

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

LD50 LC50 Mixture:LD50 (ORAL RAT): 2700 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: EYES: MAY CAUSE MILD
    IRRITATION. SKIN: PROLONGED AND/OR REPEATED CONTACT MAY CAUSE
    IRRITATION AND/OR DERMATITIS. INGESTION: LARGE AMOUNTS MAY CAUSE
    GASTROINTESTINAL IRRITATION. INHALATION: LOW  HAZARD FOR USUAL
    INDUSTRIAL HANDLING. MAY CAUSE RESPIRATORY TRACT IRRITATION.
    CHRONIC: NONE SPECIFIED BY MANUFACTURER.
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:EYES: FLUSH W/PLENTY OF WATER FOR AT LEAST 15 MIN, OCCAS
    LIFTING UPPER & LOWER LIDS. GET MED AID. SKIN: FLUSH W/PLENTY OF
    SOAP & WATER FOR AT LEAST 15 MIN WHILE REMOVING CONTAM CLTHG &
    SHOES. GET MED  AID IF IRRIT DEVELOPS/PERSISTS. INGEST:IF CONSCIOUS
    & ALERT, GIVE 2-4 CUPFULS OF MILK/WATER. GET MED AID. INHAL: REMOVE
    TO FRESH AIR IMMED. IF NOT BRTHG, GIVE ARTF RESP. IF BRTHG IS
    DFCLT, (SUP DAT)

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

Extinguishing Media:FOR SMALL FIRES, USE WATER SPRAY, DRY CHEMICAL,
    CARBON DIOXIDE OR CHEMICAL FOAMS.
Fire Fighting Procedures:WEAR NIOSH APPROVED SCBA AND FULL PROTECTIVE
    EQUIPMENT .
Unusual Fire/Explosion Hazard:NONE SPECIFIED BY MANUFACTURER.

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

Spill Release Procedures:VACUUM OR SWEEP UP MATERIAL AND PLACE INTO A
    SUITABLE DISPOSAL CONTAINER. AVOID GENERATING DUSTY CONDITIONS.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:AVOID PROLONGED OR REPEATED CONTACT
    WITH SKIN. AVOID INGESTION AND INHALATION. USE WITH ADEQUATE
    VENTILATION.
Other Precautions:STORE IN A TIGHTLY CLOSED CONTAINER. KEEP FROM
    CONTACT WITH OXIDIZING MATERIALS. KEEP AWAY FROM STRONG ACIDS.

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

Respiratory Protection:FOLLOW THE OSHA RESPIRATOR REGULATIONS FOUND IN
    29CFR 1910.134. ALWAYS USE A NIOSH APPROVED RESPIRATOR WHEN
    NECESSARY.
Ventilation:USE ADEQUATE VENTILATION TO KEEP AIRBORNE CONCENTRATIONS
    LOW.
Protective Gloves:IMPERVIOUS GLOVES.
Eye Protection:ANSI APPRVD CHEM WORKERS GOGGLES .
Other Protective Equipment:ANSI APPROVED EMERGENCY EYEWASH AND DELUGE
    SHOWER . WEAR APPROPRIATE CLOTHING TO PREVENT SKIN CONTACT.
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
FIRST AID PROC: GIVE OXYGEN. GET MED AID. NOTES TO MD: TREAT
    SYMPTOMATICALLY & SUPPORTIVELY. ANTIDOTE: NONE REPORTED.

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

Melt/Freeze Pt:M.P/F.P Text:119F,49C
Spec Gravity:1.7290
Solubility in Water:680 G/L @ 20C
Appearance and Odor:COLORLESS TO WHITE CRYSTALS, ODORLESS

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

Stability Indicator/Materials to Avoid:YES
VIOLENTLY REACTS WITH SODIUM NITRATE. IMCOMPATIBLE WITH STRONG
    OXIDIZERS, ACIDS.
Stability Condition to Avoid:ACIDS, STRONG OXIDANTS.
Hazardous Decomposition Products:HYDROGEN SULFIDE, SODIUM OXIDE.

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

Waste Disposal Methods:DISPOSE OF IN A MANNER CONSISTENT WITH FEDERAL,
    STATE, AND LOCAL REGULATIONS.

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 disclaims all liability for its use.  Any person utilizing this
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