BARTLETT CHEMICALS -- SODIUM THIOSULFATE  -- 6810-00-234-8380
<pre>=====================  Product Identification  =====================

Product ID:SODIUM THIOSULFATE
MSDS Date:05/23/1994
FSC:6810
NIIN:00-234-8380
=== Responsible Party ===
Company Name:BARTLETT CHEMICALS
Address:4955 RIVER RD
City:JEFFERSON
State:LA
ZIP:70121
Country:US
Info Phone Num:504-734-1971
Emergency Phone Num:504-734-1971
CAGE:1V771
=== Contractor Identification ===
Company Name:BARTLETT CHEMICALS
Address:4955 RIVER ROAD
Box:10710
City:JEFFERSON
State:LA
ZIP:70121
Country:US
Phone:504-734-1971
CAGE:1V771

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

Ingred Name:SODIUM THIOSULFATE, PENTAHYDRATE OR THIOSULFURIC ACID,
    DISODIUM SALT, PENTAHYDRATE OR SODIUM THIOSULFATE,5-HYDRATE
CAS:10102-17-7
RTECS #:WE6660000
Fraction by Wt: 100%
Other REC Limits:NONE RECOMMENDED

=====================  Hazards Identification  =====================

Routes of Entry: Inhalation:NO	Skin:NO  Ingestion:NO
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:ACUTE: INHALATION MAY CAUSE IRRITATION
    TO THE MUCOUS MEMBRANES. INGESTION OF LARGE QUANTITIES MAY CAUSE
    DIARRHEA. CONTACT WITH EYES MAY CAUSE MECHANICAL IRRITATION.
    PROLONGED CONTACT WITH SKIN MAY CAU SE IRRITATION. CHRONIC: NO
    INFORMATION FOUND.
Explanation of Carcinogenicity:SODIUM THIOSULFATE IS NOT LISTED AS A
    CARCINOGEN OR SUSPECTED CARCINOGEN BY NTP, IARC OR OSHA.
Effects of Overexposure:INHALED: COUGHING, SNEEZING. EYES: TEARING,
    ITCHING, DISCOMFORT, REDNESS. SKIN: ITCHING, REDNESS, DISCOMFORT.
    INGESTED: DIARRHEA.
Medical Cond Aggravated by Exposure:NO INFORMATION FOUND.

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

First Aid:INHALED-REMOVE TO FRESH AIR. GET MEDICAL ATTENTION FOR ANY
    BREATHING DIFFICULTY. INGESTED-IF CONSCIOUS, GIVE SEVERAL GLASSES
    OF WATER TO DILUTE. IF LARGE AMOUNTS SWALLOWED, GET MEDICAL ADVICE.
    EYES-FL USH WITH LOTS OF RUNNING WATER. GET MEDICAL ADVICE IF
    IRRITATION DEVELOPS.

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

Flash Point:NONFLAMMABLE
Extinguishing Media:MEDIA APPROPRIATE FOR SURROUNDING FIRE.
Fire Fighting Procedures:WEAR FULL PROTECTIVE CLOTHING AND NIOSH/MSHA
    APPROVED SELF-CONTAINED BREATHING APPARATUS OPERATED IN THE
    PRESSURE DEMAND OR OTHER POSTIVE PRESSURE MODE.
Unusual Fire/Explosion Hazard:NOT CONSIDERED TO BE AN EXPLOSION HAZARD.

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

Spill Release Procedures:VENTILATE AREA OF LEAK OR SPILL. CLEAN-UP
    PERSONNEL MAY REQUIRE RESPIRATORY PROTECTION FROM DUST. SWEEP UP
    AND CONTAINERIZE FOR RECLAIMATION OR DISPOSAL. VACUUMING OR WET
    SWEEPING MAY BE USED TO AVOID  DUST DISPERSAL.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:STORE IN A COOL, DRY, WELL-VENTILATED
    PLACE AWAY FROM INCOMPATIBLE MATERIALS. PROTECT AGAINST PHYSICAL
    DAMAGE. KEEP CONTAINERS TIGHTLY CLOSED.
Other Precautions:NONE SPECIFIED BY MANUFACTURER.

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

Respiratory Protection:FOR CONDITIONS OF USE WHERE EXPOSURE TO THE DUST
    IS APPARENT, A DUST/MIST RESPIRATOR MAY BE WORN. FOR EMERGENCIES; A
    SELF-CONTAINED BREATHING APPARATUS MAY BE NEDDED. USE RESPIRATORY
    PROTECTION IAW 29  CFR 1910.134 & MFR. RECOMMENDATIONS.
Ventilation:USE ADEQUATE MECHANICAL VENTILATION OR LOCAL EXHAUST TO
    MAINTAIN EXPOSURE BELOW TLV.
Protective Gloves:RUBBER
Eye Protection:SAFETY GLASSES W/SIDE SHIELDS
Other Protective Equipment:EYE WASH STATION & SAFETY SHOWER. CLEAN
    BODY-COVERING CLOTHING.
Work Hygienic Practices:WASH HANDS AFTER USE AND BEFORE EATING,
    DRINKING, OR SMOKING. LAUNDER CONTAMINATED CLOTHES BEFORE REUSE.
Supplemental Safety and Health
MSDS PROVIDED BY CAGE 1V771 FOR CONTRACT NUMBER SPO450-94-MZ919.

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

HCC:N1
Boiling Pt:B.P. Text:>212F,>100C
Melt/Freeze Pt:M.P/F.P Text:118F,48C
Decomp Temp:Decomp Text:>212F,>100C
Spec Gravity:1.75
Solubility in Water:MODERATE
Appearance and Odor:MONOCLINIC, COLORLESS CRYSTALS; ODORLESS

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

Stability Indicator/Materials to Avoid:YES
SODIUM NITRATE, HALOGENS AND STRONG OXIDIZING AGENTS. REACTS WITH ACIDS
    TO RELEASE SULFUR DIOXIDE.
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER. DLA-HMIS:
    AVOID EXPOSURE TO INCOMPATIBLE MATERIALS.
Hazardous Decomposition Products:WHEN HEATED TO DECOMPOSITION, IT EMITS
    TOXIC FUMES OF SULFUR DIOXIDE, SULFUR TRIOXIDE, & HYDROGEN SULFIDE.

====================  Disposal Considerations  ====================

Waste Disposal Methods:WHATEVER CANNOT BE SAVED FOR RECLAIMATION MAY BE
    DELIVERED TO AN APPROVED WASTE DISPOSAL FACILITY. DISPOSE OF IN
    ACCORDANCE WITH LOCAL, STATE AND FEDERAL REGULATIONS.

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