CHEM SERVICE INC -- SODIUM THIOSULFATE, I-153  -- 6810-00N067546
<pre>=====================  Product Identification  =====================

Product ID:SODIUM THIOSULFATE, I-153
MSDS Date:09/01/1988
FSC:6810
NIIN:00N067546
=== Responsible Party ===
Company Name:CHEM SERVICE INC
Box:3108
City:WEST CHESTER
State:PA
ZIP:19381
Country:US
Info Phone Num:215-692-3026
Emergency Phone Num:215-692-3026
CAGE:84898
=== Contractor Identification ===
Company Name:CHEM SERVICE INC
Box:3108
City:WEST CHESTER
State:PA
ZIP:19381
Country:US
Phone:215-692-3026
CAGE:84898
Company Name:CHEM SERVICE, INC
Address:660 TOWER LN
Box:599
City:WEST CHESTER
State:PA
ZIP:19301-9650
Country:US
Phone:610-692-3026
CAGE:8Y898

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

Ingred Name:SODIUM THIOSULFATE, PENTAHYDRATE; (SODIUM THIOSULFATE)
CAS:7772-98-7
RTECS #:XN6476000
OSHA PEL:N/K 
ACGIH TLV:N/K 

Ingred Name:SUP DAT: GET MED ATTN IF NEC. IF PATIENT VOMIT, WATCH
    CLOSELY TO MAKE SURE AIRWAY DOES NOT BECOME OBSTRUCTED BY VOMIT.
RTECS #:9999999ZZ

Ingred Name:OTHER PREC: COSMETICS, AGRICULTURAL OR PESTICIDAL PRODUCTS,
    FOOD ADDITIVES OR AS HOUSEHOLD CHEMICALS.
RTECS #:9999999ZZ

Ingred Name:HYGIENE PRACT: CLOTHING UNTIL ABSOLUTELY FREE OF ALL
    CHEMICAL ODORS.
RTECS #:9999999ZZ

Ingred Name:MATLS TO AVOID: AGENTS. DO NOT USE MAGNESIUM/ALUMINUM OR
    THEIR ALLOYS AS CONTAINERS. INCOMPATIBLE WITH PLASTICS.
RTECS #:9999999ZZ

Ingred Name:HAZ DECOMP PROD: DECOMPOSITION PRODUCTS ARE CORROSIVE.
    DECOMPOSED BY CHLORINE GAS.
RTECS #:9999999ZZ

Ingred Name:EYE PROT: GOGGLES AND FULL LENGTH FACESHIELD .
RTECS #:9999999ZZ

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

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:YES
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:ACUTE: CAN CAUSE EYE AND SKIN
    IRRITATION. REPEATED EXPOSURE TO VAPORS AND/OR DUST CAN CAUSE EYE
    INJURY. CAN BE HARMFUL IF INHALED. DUST AND/OR VAPORS CAN CAUSE
    IRRITATION TO RESPIRATORY TRACT. CAN BE  HARMFUL IF SWALLOWED. CAN
    CAUSE GI DISTURBANCES. INGESTION MAY CAUSE DIARRHEA. CHRONIC: NONE
    SPECIFIED BY MANUFACTURER.
Explanation of Carcinogenicity:NOT RELEVANT.
Effects of Overexposure:SEE HEALTH HAZARDS.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

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

First Aid:ANTIDOTE IS A SUBSTANCE TO COUNTERACT EFT OF POIS. IT SHOULD
    BE ADMIN ONLY BY MD/TRAINED EMER PERS. MED ADVICE CAN BE OBTAINED
    FROM POIS CTL CTR. EYE: FLUSH CONTINUOUSLY W/WATER FOR AT LEAST 15
    MIN. S KIN: FLUSH W/WATER FOR 15-20 MIN. IF NOBURNS HAVE OCCURRED,
    USE SOAP & WATER TO CLEANSE SKIN. INHAL: REMOVE TO FRESH AIR. ADMIN
    OXYGEN IF DFCLT BRTHG. IF BRTHG HAS STOPPED, ADMIN ARTF RESP. (SUP
    DAT)

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

Extinguishing Media:USE CARBON DIOXIDE OR DRY CHEMICAL POWDER. DO NOT
    USE WATER.
Fire Fighting Procedures:WEAR NIOSH/MSHA APPROVED SCBA & FULL
    PROTECTIVE EQUIPMENT .
Unusual Fire/Explosion Hazard:NONE SPECIFIED BY MANUFACTURER.

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

Spill Release Procedures:EVACUATE AREA. WEAR APPROPRIATE OSHA-REGULATED
    EQUIPMENT. VENTILATE AREA. SWEEP UP AND PLACE IN AN APPROPRIATE
    CONTAINER. HOLD FOR DISPOSAL. WASH CONTAMINATED SURFACES TO REMOVE
    ANY RESIDUES.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:ALL CHEM SHOULD BE CONSIDERED HAZ.
    AVOID DIRECT PHYSICAL CONT! USE APPROP OSHA/MSMA APPRVD SFTY EQUIP.
    AVOID CONT W/SKIN, EYES & CLTHG.
Other Precautions:KEEP TIGHTLY CLSD & STORE IN COOL DRY PLACE. STORE
    ONLY W/COMPATIBLE CHEM. PERS NOT SPECIFICALLY & PROPERLY TRAINED
    SHOULD NOT HANDLE THIS CHEM/ITS CONTR. THIS PROD IS FURNISHED FOR
    LAB USE ONLY! THIS	PROD MAY NOT BE USED AS DRUGS, (ING 3)

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

Respiratory Protection:USE NIOSH/MSHA APPROVED RESPIRATOR APPROPRIATE
    FOR EXPOSURE OF CONCERN .
Ventilation:THIS CHEMICAL SHOULD BE HANDLED ONLY IN A HOOD.
Protective Gloves:IMPERVIOUS GLOVES .
Eye Protection:ANSI APPROVED CHEMICAL WORKERS (ING 7)
Other Protective Equipment:EMERGENCY EYEWASH & DELUGE SHOWER MEETING
    ANSI DESIGN CRITERIA .
Work Hygienic Practices:CONTACT LENSES SHOULD NOT BE WORN IN THE
    LABORATORY. REMOVE AND WASH CONTAMINATED CLOTHING. DO NOT WEAR
    SHOES OR (ING 4)
Supplemental Safety and Health
FIRST AID PROC: IF SIGNS OF SHOCK, KEEP WARM & QUIET. GET MED ATTN IF
    NEC. IF PATIENT IN CARD ARREST, ADMIN CPR. CONTINUE LIFE SUPPORTING
    MEASURES UNTIL MED ASSIST HAS ARRIVED. INGEST: DO NOT ADMIN LI
    QS/INDUCE VOMIT TO UNCON/CONVL PERS. IFSWALLOWED, DRINK 1-2 GLASSES
    OF WATER. CONT POIS CTL CTR IMMED IF NEC. (ING 2)

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

Boiling Pt:B.P. Text:118F,48C
Melt/Freeze Pt:M.P/F.P Text:>104F,>40C
Spec Gravity:1.73
Solubility in Water:SOLUBLE
Appearance and Odor:COLORLESS CRYSTALLINE SOLID, ODORLESS

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

Stability Indicator/Materials to Avoid:YES
REACTS W/ACID HALIDES & ANHYDRIDES, PHOSPHORUS HALIDES, & THIONYL
    CHLORIDE. INCOMPATIBLE W/STRONG OXIDIZING (ING 5)
Stability Condition to Avoid:AIR SENSITIVE.
Hazardous Decomposition Products:DECOMPOSITION LIBERATES TOXIC FUMES.
    CORRODES STEEL, COPPER AND ITS ALLOYS. DECOMPOSES UNDER ACIDIC
    CONDITIONS. (ING 6)

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

Waste Disposal Methods:FLUSH TO SEWER WITH COPIOUS AMOUNTS OF WATER.
    DISPOSE OF IN ACCORDANCE W/LOCAL, STATE & FEDERAL REGULATIONS .

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