E M SCIENCE DIV OF E M IND INC -- 0404183 SODIUM THIOSULFATE  -- 6550-00F039375
<pre>=====================  Product Identification  =====================

Product ID:0404183 SODIUM THIOSULFATE
MSDS Date:03/09/1995
FSC:6550
NIIN:00F039375
=== Responsible Party ===
Company Name:E M SCIENCE DIV OF E M IND INC
Address:480 DEMOCRAT RD
Box:70
City:GIBBSTOWN
State:NJ
ZIP:08027-0070
Country:US
Info Phone Num:800-222-0342/609-354-9200
Emergency Phone Num:800-222-0342/609-354-9200
CAGE:63612
=== Contractor Identification ===
Company Name:CURTIN MATHESON SCIENTIFIC INC
Address:9999 VETERANS MEMORIAL DR
Box:1546
City:HOUSTON
State:TX
ZIP:77038-2499
Country:US
Phone:713-820-9898
CAGE:15481
Company Name:E M SCIENCE DIV OF E M INDUSTRIES INC
Address:480 DEMOCRAT ROAD
Box:70
City:GIBBSTOWN
State:NJ
ZIP:08027
Country:US
Phone:800-222-0342/609-423-6300
CAGE:63612

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

Ingred Name:SODIUM THIOSULFATE, PENTAHYDRATE; SODIUM HYPOSULFITE
CAS:10102-17-7
RTECS #:WE6660000
Fraction by Wt: 100%

=====================  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:SKIN/EYES: IRRITATION. INHALATION:
    MUCOUS MEMBRANES IRRITATION, GI IRRITATION. TOXIC EFFECTS HAVE BEEN
    EVIDENT IN BLOOD. INGESTION: LARGE QUANTITIES HAS CATHARTIC ACTION.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:IRRITATION

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

First Aid:SKIN: WASH THOROUGHLY W/SOAP & WATER. SKIN/EYES: IMMEDIATELY
    FLUSH THOROUGHLY W/WATER FOR 15 MINS. INHALATION: REMOVE TO FRESH
    AIR. GIVE CPR IF NEEDED. INGESTION: IF CONSCIOUS GIVE 2 GLASSES OF
    WATER  & INDUCE VOMITING. OBTAIN MEDICAL ATTENTION IN ALL CASES.

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

Flash Point:NONCOMBUSTIBLE
Extinguishing Media:ANY MEDIA APPROPRIATE FOR SURROUNDING FIRES.
Fire Fighting Procedures:WEAR SELF CONTAINED BREATHING APPARATUS.
Unusual Fire/Explosion Hazard:EMITS TOXIC FUMES WHEN HEATED TO
    DECOMPOSTION

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

Spill Release Procedures:EVACUATE AREA. WEAR SUITABLE PROTECTIVE
    EQUIPMENT. ELIMINATE IGNITION SOURCES UNTIL AREA IS DETERMINED FREE
    FROM EXPLOSION/FIRE HAZARDS. CONTAIN THE RELEASE & ELIMINATE ITS
    SOURCE W/OUT RISK. TAKE UP	& CONTAINERIZE FOR PROPER DISPOSAL.

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

Handling and Storage Precautions:KEEP CONTAINER TIGHTLY CLOSED & STORE
    IN COOL DRY WELL VENTILATED AREA FROM OXIDIZERS. RETAINED RESIDUE
    MAY MAKE EMPTY CONTAINER HAZARDOUS.
Other Precautions:DON'T GET IN EYES, SKIN/ON CLOTHING. DON'T TAKE
    INTERNALLY.

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

Respiratory Protection:NIOSH/MSHA APPROVED RESPIRATOR
Ventilation:APPROVED FUME HOOD/ADEQUATE VENTILATION
Protective Gloves:NITRILE, POLY VINYL CHLORIDE
Eye Protection:SAFETY GLASSES W/SIDE SHIELDS
Work Hygienic Practices:REMOVE/LAUNDER CONTAMINATED CLOTHING BEFORE
    REUSE.
Supplemental Safety and Health

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

Melt/Freeze Pt:M.P/F.P Text:118.4F
Spec Gravity:1.729
Solubility in Water:COMPLETE
Appearance and Odor:COLORLESS ODORLESS CRYSTALS

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

Stability Indicator/Materials to Avoid:YES
ACIDS, CORROSIVES, OXIDIZERS, IODINE, MERCURY, LEAD, SILVER SALTS,
    SODIUM NITRITE
Stability Condition to Avoid:EXCESSIVE HEAT
Hazardous Decomposition Products:SULFUR OXIDES, SODIUM MONOXIDE

====================  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.