Product ID:SODIUM THIOSULFATE,CRYSTALS
MSDS Date:01/02/1991
FSC:6750
NIIN:00-356-5781
MSDS Number: BLPFM

Emergency Phone: 800-631-8050/201-515-1840(FAX-3232)

Info Phone: 800-631-8050/201-515-1840

Cage: 0AU44

Telephone: 973-515-1840

Cage: 0AU44

SODIUM THIOSULFATE,5-HYDRATE

CAS: 10102-17-7

RTECS: WE6660000

Routes of Entry: Inhalation:YES Skin:YES Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:ACUTE-INHALATION:BREATHING OF
DUST/MIST MAY IRRITATE RESPIRATORY TRACT.INGESTION:RELATIVELY LOW
IN ACUTE TOXICITY BUT MAY CAUSE IRRITATION OF THE GI TRACT &
PURGING,IF LARGE QUANTITY IS INGESTED.EYE:M AY IRRITATE/BURNS &
CAUSE TEMPORARY CONJUNCTIVITIS.SKIN:PROLONGED/REPEATED CONTACT MAY
CAUSE IRRITATION.CHRONIC-NONE.
Effects of Overexposure:BREATHING OF DUST/MIST MAY IRRITATE RESPIRATORY
TRACT. INGESTION IS RELATIVELY LOW IN ACUTE TOXICITY BUT MAY CAUSE
IRRITATION OF THE GI TRACT & PURGING,IF LARGE QUANTITY IS INGESTED.
MAY IRRITATE/BURN S EYES AND CAUSE TEMPORARY CONJUNCTIVITIS.
PROLONGED/REPEATED SKIN CONTACT MAY CAUSE IRRITATION.
Medical Cond Aggravated by Exposure:PRE-EXISTING RESPIRATORY TRACT
DISORDERS MAY BE MORE SUSCEPTIBLE TO THIS MATERIAL.

First Aid:GET MEDICAL HELP IF SYMPTOMS PERSIST.INHALATION:REMOVE TO
FRESH AIR.HAVE A QUALIFIED PERSON GIVE OXYGEN IF NEEDED.EYES:FLUSH
WITH WATER FOR 15 MINUTES HOLDING EYELIDS OPEN.SKIN:WASH WITH SOAP
& WATER. THEN FLUSH WITH WATER UNTIL ALL CHEMICAL IS
REMOVED.INGESTION:IF CONSCIOUS,GIVE 2 TO 4 GLASSES OF WATER &
INDUCE VOMITING BY TOUCHING FINGER TO BACK OF THROAT.

Flash Point:NONE
Extinguishing Media:MEDIA APPROPRIATE FOR SURROUNDING FIRE.
Fire Fighting Procedures:WEAR FIRE FIGHTING PROTECTIVE EQUIPMENT AND A
FULL FACED SELF CONTAINED BREATHING APPARATUS. EVACUATE AREA. COOL
FIRE EXPOSED CONTAINERS WITH WATER SPRAY.
Unusual Fire/Explosion Hazard:TOXIC AND IRRITATING GASES AND RESIDUE
MAY EVOLVE.

Spill Release Procedures:WEAR NIOSH/MSHA APPROVED DUST RESPIRATOR.
SHOVEL OR SWEEP UP AND PLACE IN AN APPROVED DOT CONTAINER AND SEAL.
AVOID RAISING DUST. CAUTIOUSLY SPRAY RESIDUE WITH PLENTY OF WATER
TO COMPLETE CLEAN-UP.

Handling and Storage Precautions:STORAGE-STORE IN A COOL,DRY AREA AWAY
FROM ACIDS OR OXIDIZERS.
Other Precautions:THIS PRODUCT IS NOT FOR FOOD OR DRUG USE. AVOID
BREATHING DUST OR MIST. USE WITH ADEQUATE VENTILATION. AVOID
CONTACT WITH EYES, SKIN AND CLOTHING. WASH THOROUGHLY AFTER
HANDLING AND BEFORE EATING OR DRINKING.

Respiratory Protection:IF DUSTY OR MISTY CONDITION PREVAILS, USE DUST
OR MIST RESPIRATOR, APPROVED BY NIOSH. IF SULFUR DIOXIDE SHOULD BE
RELEASED, USE A SUPPLIED-AIR RESPIRATOR OR SELF-CONTAINED BRATHING
APPARATUS, APPROVED BY NIOSH.
Ventilation:A SYSTEM OF LOCAL EXHAUST IS RECOMMENDED TO KEEP EMPLOYEE
EXPOSURES BELOW THE TLV.
Protective Gloves:COTTON
Eye Protection:CHEMICAL SAFETY GOGGLES WITH HARD HAT
Other Protective Equipment:EYE WASH STATION AND SAFETY SHOWER.
IMPERVIOUS BOOTS, APRON, OR COVERALLS AS REQUIRED. DO NOT WEAR
CONTACT LENSES.
Work Hygienic Practices:OBSERVE GOOD PERSONAL HYGIENE PRACTICES AND
RECOMMENDED PROCEDURES.
Supplemental Safety and Health

HCC:N1
Melt/Freeze Pt:M.P/F.P Text:118F,48C
Decomp Temp:Decomp Text:>212F,>100C
Spec Gravity:1.685
pH:8.6
Solubility in Water:42% @ 0C
Appearance and Odor:WHITE GRANULES WITH NO ODOR

Stability Indicator/Materials to Avoid:YES
WATER-REACTIVE MATERIALS SUCH AS SODIUM, STRONG OXIDIZERS, ACIDS,
SODIUM NITRITE
Stability Condition to Avoid:HIGH TEMPERATURE (ABOVE 100C)
Hazardous Decomposition Products:TOXIC, CORROSIVE & OXIDIZER SULFUR
DIOXIDE GAS AND FLAMMABLE, STRONGLY IRRITANT SODIUM SULFIDE RESIDUE

Waste Disposal Methods:DISPOSAL SHOULD BE MADE IN ACCORDANCE WITH ALL
APPLICABLE FEDERAL, STATE AND LOCAL LAWS AND REGULATIONS. FLUSH TO
SEWER WITH PLENTY OF WATER, IF PERMITTED BY APPLICABLE DISPOSAL
REGULATIONS. OTHERWISE , DISPOSE OF BY AN APPROVED CONTRACTOR.

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.