Product ID:S436-500 SODIUM THIOSULFATE ANHYDROUS 21710
MSDS Date:03/04/1996
FSC:6850
NIIN:00F055499
MSDS Number: CGKTV

Emergency Phone: 201-796-7100/201-796-7523

Info Phone: 201-796-7100/201-796-7523

Cage: 1B464

Telephone: 201-796-7100

Cage: 1B464

SODIUM THIOSULFATE ANHYDROUS; THIOSULFURIC ACID, DISODIUM

CAS: 7772-98-7

RTECS: XN6476000

Fraction By Weight: >98%

Routes of Entry: Inhalation:YES Skin:NO Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:EYES: IRRITATION & BURNS. SKIN:
IRRITATION. INGESTION: MAY CAUSE GI IRRITATION. INHALATION: MAY
CAUSE RESPIRATORY TRACT IRRITATION.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:IRRITATION, BURNS.

First Aid:EYES: FLUSH W/PLENTY OF WATER FOR 15 MINS. SKIN: FLUSH
W/PLENTY OF SOAP & WATER FOR 15 MINS. INGESTION: IF CONSCIOUS &
ALERT, GIVE 2-4 CUPFULS OF MILK/WATER. INHALATION: REMOVE TO FRESH
AIR. GIVE CPR/ OXYGEN IF NEEDED. NOTES TO PHYSICIAN: TREAT
SYMPTOMATICALLY & SUPPORTIVELY. OBTAIN MEDICAL ATTENTION IN ALL
CASES.

Extinguishing Media:WATER SPRAY, DRY CHEMICAL/CO2.
Fire Fighting Procedures:WEAR A SCBA IN PRESSURE DEMAND MSHA/NIOSH
APPROVED/EQUIVALENT & FULL PROTECTIVE GEAR.
Unusual Fire/Explosion Hazard:DUSTS AT SUFFICIENT CONCENTRATIONS CAN
FORM EXPLOSIVE MIXTURES W/AIR. COMBUSTION GENERATES TOXIC FUMES.

Spill Release Procedures:USE PROPER PERSONAL PROTECTIVE EQUIPMENT.
ABSORB W/INERT MATERIAL, THEN PLACE INTO A CHEMICAL WASTE
CONTAINER. AVOID GENERATING DUSTY CONDITIONS.

Handling and Storage Precautions:STORE IN A COOL, DRY WELL VENTILATED
AREA AWAY FROM INCOMPATIBLE SUBSTANCES. KEEP AWAY FROM STRONG
ACIDS. USE W/ADEQUATE VENTILATION.
Other Precautions:MINIMIZE DUST GENERATION & ACCUMULATION. AVOID
CONTACT W/SKIN & EYES. KEEP CONTAINER TIGHTLY CLOSED. AVOID
INGESTION & INHALATION.

Respiratory Protection:ALWAYS USE A NIOSH APPROVED RESPIRATOR WHEN
NECESSARY.
Ventilation:ADEQUATE TO KEEP AIRBORNE CONCENTRATIONS LOW.
Protective Gloves:PROTECTIVE
Eye Protection:GLASSES/CHEMICAL SAFETY GOGGLES
Other Protective Equipment:PROTECTIVE CLOTHING.
Work Hygienic Practices:REMOVE/LAUNDER CONTAMINATED CLOTHING BEFORE
REUSE. WASH THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health

Melt/Freeze Pt:M.P/F.P Text:109F
Vapor Pres:<0.1
Spec Gravity:1.667
pH:6.5-8
Solubility in Water:COMPLETE
Appearance and Odor:SOLID WHITE CRYSTALS/POWDER; ODORLESS

Stability Indicator/Materials to Avoid:YES
INCOMPATIBLE MATERIALS, SODIUM NITRITE, STRONG ACIDS, STRONG OXIDIZERS,
WATER REACTIVE MATERIALS.
Stability Condition to Avoid:HIGH TEMPS, MOISTURE.
Hazardous Decomposition Products:OXIDES OF SULFUR, HYDROGEN SULFIDE.

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.