Product ID:SODIUM THIOSULFATE
MSDS Date:08/05/1985
FSC:6810
NIIN:00-233-0110
MSDS Number: BMPZM

Emergency Phone: 314-982-5000

Info Phone: 314-895-2000

Cage: 1BF21

Telephone: 510-534-1186 OR 800-444-0015

Cage: 3D869

SODIUM THIOSULFATE

CAS: 7772-98-7

RTECS: XN6476000

Fraction By Weight: 100%

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 DUST OR MIST MAY
IRRITATE RESPIRATORY TRACT. INGESTION:LOW TOXICITY BUT MAY CAUSE
IRRITATION TO THE GASTROINTESTINAL TRACT AND PURGING.
SKIN:IRRITATION FROM PROLONGED CONTACT. EYE S:MAY CAUSE MECHANICAL
IRRITATION. CHRONIC:NO INFORMATION AVAILABLE.
Effects of Overexposure:RED EYE AND DIS COMFORT, COUGHING, SKIN
IRRITATION.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

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 GET MEDICAL HELP.
EYES:FLUSH 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. IN ALL CASES: SEEK MEDICAL ATTENTION IF
SYMPTOMS PERSIST.

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.

Spill Release Procedures:PROMPTLY SHOVEL OR SWEEP UP THE DRY CHEMICAL
INTO AN EMPTY CONTAINER WITH A MINIMUM OF DUSTING. COVER AND SAVE
FOR RECLAMATION OR DISPOSAL. WEAR RESPIRATORY PROTECTION FOR DUST.
SMALL RESIDUE MAY BE W ASHED WITH WATER.

Handling and Storage Precautions:STORE IN A COOL, DRY AREA. 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.

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 HANDLING 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.

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:1.69
pH:@ 9
Solubility in Water:50% IN COLD WATER
Appearance and Odor:COLORLESS CRYSTALS WITH NO ODOR.

Stability Indicator/Materials to Avoid:YES
METAL NITRATES, SODIUM NITRITE, IODINE, ACIDS, LEAD, MERCURY AND SILVER
SALTS.
Stability Condition to Avoid:MOISTURE, HIGH TEMPERATURES (ABOVE 100C).
Hazardous Decomposition Products:TOXIC HYDROGEN SULFIDE, SULFUR DIOXIDE
GAS AND SODIUM OSIDE.

Waste Disposal Methods:DISPOSE OF IN ACCORDANCE WITH LOCAL, STATE AND
FEDERAL 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.