Product ID:SODIUM THIOSULFATE
MSDS Date:08/05/1985
FSC:6810
NIIN:00N008840
MSDS Number: BCRDH

Emergency Phone: 314-982-5000

Info Phone: 314-982-5000, 800-354-2050

Cage: 62910

Telephone: 908-859-2151

Cage: 62910

SODIUM THIOSULFATE

CAS: 7772-98-7

RTECS: XN6476000

Fraction By Weight: N/R FPN

OSHA PEL OSHA PEL

ACGIH TLV: ACGIH TLV

LD50 LC50 Mixture:NONE FOUND(MFR)
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:INHAL:MAY CAUSE IRRITATION TO THE
MUCOUS MEMBRANES. INGEST:DIARRHEA MAY OCCUR BY INGESTION OF LARGE
QUANTITIES. SKIN:IRRITATION MAY OCCUR FROM PROLONGED SKIN CONTACT.
EYE:CONTACT MAY CAUSE MECHANICAL IRRITATION.
Effects of Overexposure:SEE HEALTH HAZARDS (ACUTE & CHRONIC)
Medical Cond Aggravated by Exposure:

First Aid:INHAL:REMOVE TO FRESH AIR.GET MED ATTENTION FOR ANY BREATHING
DIFFICULTY.INGEST:GIVE SEVERAL GLASSES OF H*2O TO DRINK TO
DILUTE.IF LG AMTS WERE SWALLOWED,GET MED.ADVICE.SKIN:WASH EXPOSED
AREA W/ SOAP & H*2O GET MED ADVICE.EYE:WASH THOROUGHLY W/ RUNNING
H*2O FOR AT LEAST 15 MINUTES GET MEDICAL ADVICE

Flash Point:
Lower Limits:
Upper Limits:
Extinguishing Media:USE ANY MEANS SUITABLE FOR EXTINGUISHING
SURROUNDING FIRE.
Fire Fighting Procedures:WEAR FULL PROTECTIVE CLOTHING & NIOSH APPROVED
SCBA W/ FULL FACEPIECE OPERATED IN THE PRESSURE DEMAND OR OTHER
POSITIVE PRESSURE MODE.
Unusual Fire/Explosion Hazard:NOT CONSIDERED TO BE A FIRE HAZARD.NOT
CONSIDERED TO BE AN EXPLOSION HAZARD.

Spill Release Procedures:VENT AREA OF LEAK,SPILL.MAY REQUIRE RESP PROT
FROM DUST.SWEEP UP & CONTAINERIZE FOR RECLAMATION OR
DISPOSAL.VACUUMING OR WET SWEEPING MAY BE USED TO AVOID DUST
DISPERSAL.
Neutralizing Agent:N/K(PFN)

Handling and Storage Precautions:KEEP IN A TIGHTLY CLOSED
CONTAINER,STORED IN A COOL DRY VENT,AREA,PROTECT AGAINST PHYSICAL
DAMAGE.ISOLATE FROM INCOMPATIBLE SUBSTANCES.
Other Precautions:

Respiratory Protection:FOR CONDITIONS OF USE WHERE EXPOS TO THE DUST IS
APPARENT,A DUST/MIST RESP MAY BE WORN.EMERGENCIES,A SCBA MAY BE
NECESSARY.
Ventilation:DIL VENT IS A SAT HLT HAZ CONTRL FOR THIS
SUBSTANCE,DISCOMFORT TO WORKER,LOCAL EXHAUST SHOULD BE CONSIDERED.
Protective Gloves:WEAR PROTECTIVE GLOVES
Eye Protection:SAFETY GLASSES
Other Protective Equipment:CLEAN BODY-COVER CLOTHING.MAINTAIN EYE WASH
FOUNTION & QUICK-DRENCH FACILITIES IN WORK AREA.
Work Hygienic Practices:OBSERVE GOOD WORK HYGIENIC PRACTICES.
Supplemental Safety and Health
MP:LOSES H*2O AT 100C,212F.STABILITY:STABLE UNDER ORIDNARY CONDITIONS
OF USE & STORAGE.

Boiling Pt:B.P. Text:>100C,212F
Melt/Freeze Pt:M.P/F.P Text:48C,118F
Decomp Temp:Decomp Text:
Vapor Pres:1.75
Vapor Density:NO INFO
pH:
Evaporation Rate & Reference:NO INFO FOUND (MFR)
Solubility in Water:79G/100MLH*20AT4C.
Appearance and Odor:MONOCLINIC,COLORLESS CRYSTALS
Percent Volatiles by Volume:
Corrosion Rate:

Stability Indicator/Materials to Avoid:YES
SODIUM NITRATE,HALOGENS & OXIDIZING AGENTS.REACTS W/ ACIDS TO RELEASE
SULFUR DIOXIDE.
Stability Condition to Avoid:STABLE UNDER ORDINARY CONDITIONS OF USE &
STORAGE.STABILITY LIMITED IN SOLUTION.
Hazardous Decomposition Products:WHEN HEATED TO DECOMP,IT EMITS TOXIC
FUMES OF SULFUR DIOXIDE,SULFUR TRIOXIDE, & HYDROGEN SULFIDE
Conditions to Avoid Polymerization:

Waste Disposal Methods:WHATEVER CANNOT BE SAVED FOR RECLAMATION MAY BE
DELIVERED TO AN APPROVED WASTE DISPOSAL FACILITY.ENSURE COMPLIANCE
W/ LOCAL,STATE & FED REGS.

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.