FISHER SCIENTIFIC -- SODIUM THIOSULFATE SOLUTIONS 0.025N TO 1N, S78930-5 -- 6810-00N091254 
=====================  Product Identification  =====================

Product ID:SODIUM THIOSULFATE SOLUTIONS 0.025N TO 1N, S78930-5
MSDS Date:12/03/1997
FSC:6810
NIIN:00N091254
Status Code:A
=== Responsible Party ===
Company Name:FISHER SCIENTIFIC
Address:1 REAGENT LANE
City:FAIRLAWN
State:NJ
ZIP:07410
Country:US
Info Phone Num:201-796-7100
Emergency Phone Num:201-796-7100
Resp. Party Other MSDS Num.:40182; ACC40182  SS3681 REV. #5
Chemtrec Ind/Phone:(800)424-9300
CAGE:1B464
=== Contractor Identification ===
Company Name:FISHER SCIENTIFIC CO.  CHEMICAL MFG DIV
Address:1 REAGENT LANE
Box:City:FAIRLAWN
State:NJ
ZIP:07410-2802
Country:US
Phone:201-796-7100
CAGE:1B464

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

Ingred Name:WATER
CAS:7732-18-5
RTECS #:ZC0110000
Minumum % Wt:76.8
Maxumum % Wt:99.
Other REC Limits:N/K 
OSHA PEL:N/K 
OSHA STEL:N/K 
ACGIH TLV:N/K 
ACGIH STEL:N/K 

Ingred Name:SODIUM THIOSULFATE PENTAHYDRATE
CAS:10102-17-7
RTECS #:WE6660000
Minumum % Wt:.6
Maxumum % Wt:22.9
Other REC Limits:N/K 
OSHA PEL:N/K 
OSHA STEL:N/K 
ACGIH TLV:N/K 
ACGIH STEL:N/K 

Ingred Name:TETRASODIUM ETHYLENEDIAMINETETRAACETATE DIHYDRATE;
    (TETRASODIUM ETHYLENE DIAMINE TRETRAACETATE DIHYDRATE)
CAS:10378-23-1
= Wt:.27
Other REC Limits:N/K 
OSHA PEL:N/K 
OSHA STEL:N/K 
ACGIH TLV:N/K 
ACGIH STEL:N/K 

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

LD50 LC50 Mixture:SEE TOXICOLOGICAL INFORMATION.
Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:YES
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:TARGET ORGANS: NONE. ACUTE: EYES: MAY
    CAUSE MILD IRRITATION. SKIN: MAY CAUSE IRRITATION. INGESTION:
    INGESTION OF LARGE AMOUNTS MAY CAUSE GASTROINTESTINAL IRRITATION.
    INHALATION: LOW HAZARD FOR USUAL I NDUSTRIAL HANDLING. MAY CAUSE
    RESPIRATORY TRACT IRRITATION. CHRONIC: NO INFORMATION FOUND.
Effects of Overexposure:SEE HEALTH HAZARDS.

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

First Aid:EYES: FLUSH WITH PLENTY OF WATER FOR AT LEAST 15 MINUTES,
    OCCASIONALLY LIFTING THE UPPER AND LOWER LIDS. GET MEDICAL AID.
    SKIN: FLUSH WITH PLENTY OF SOAP AND WATER FOR AT LEAST 15 MINUTES
    WHILE REMOVI NG CONTAMINATED CLOTHING AND SHOES. GET MEDICAL AID IF
    IRRITATION DEVELOPS OR PERSISTS. INGESTION: IF VICTIM IS CONSCIOUS
    AND ALERT, GIVE 2-4 CUPFULS OF MILK OR WATER. GET MEDICAL AID.
    INHALATION: REM OVE FROM EXPOSURE TO FRESH AIR IMMEDIATELY. IF NOT
    BREATHING, GIVE ARTIFICIAL RESPIRATION. IF BREATHING IS DIFFICULT,
    GIVE OXYGEN. GET MEDICAL AID. NOTES TO MD: TREAT SYMPTOMATICALLY
    AND SUPPORTIVELY.  ANTIDOTE: NONE REPORTED.

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

Extinguishing Media:FOR SMALL FIRES, USE WATER SPRAY, DRY CHEMICAL,
    CARBON DIOXIDE OR CHEMICAL FOAM.
Fire Fighting Procedures:WEAR NIOSH APPROVED SCBA AND FULL PROTECTIVE
    EQUIPMENT .
Unusual Fire/Explosion Hazard:NFPA RATINGS: NOT PUBLISHED.

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

Spill Release Procedures:USE PROPER PERSONAL PROTECTIVE EQUIPMENT AS
    INDICATED IN CONTROL MEASURES SECTION. ABSORB SPILL WITH INERT
    MATERIAL (E.G., DRY SAND OR EARTH), THEN PLACE INTO A CHEMICAL
    WASTE CONTAINER.

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

Handling and Storage Precautions:AVOID PROLONGED OR REPEATED CONTACT
    WITH SKIN. AVOID INGESTION AND INHALATION. USE WITH ADEQUATE
    VENTILATION.
Other Precautions:STORE IN A COOL, DRY PLACE. STORE IN A TIGHTLY CLOSED
    CONTAINER.

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

Respiratory Protection:FOLLOW THE OSHA RESPIRATOR REGULATIONS FOUND IN
    29 CFR 1910.134 OR EUROPEAN STANDARD EN 149. ALWAYS USE A NIOSH OR
    EUROPEAN STANDARD EN 149 APPROVED RESPIRATOR WHEN NECESSARY.
Ventilation:USE ADEQUATE VENTILATION TO KEEP AIRBORNE CONCENTRATIONS
    LOW.
Protective Gloves:WEAR IMPERVIOUS GLOVES .
Eye Protection:ANSI APPROVED CHEMICAL WORKERS GOGGLES . (SUP DAT)
Other Protective Equipment:ANSI APPROVED EMERGENCY EYEWASH AND DELUGE
    SHOWER . WEAR APPROPRIATE PROTECTIVE CLOTHING TO PREVENT SKIN
    EXPOSURE.
Supplemental Safety and Health
EYE PROTECTION: WEAR APPROPRIATE PROTECTIVE EYEGLASSES OR CHEMICAL
    SAFETY GOGGLES AS DESCRIBED BY OSHA'S EYE AND FACE PROTECTION
    REGULATIONS IN 29 CFR 1910.133 OR EUROPEAN STANDARD EN166.

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

Boiling Pt:=100.C, 212.F
Melt/Freeze Pt:=0.C, 32.F
Vapor Pres:14 MM HG
Spec Gravity:1.0-1.1
Evaporation Rate & Reference:>1 (ETHER=1)
Solubility in Water:COMPLETELY SOLUBLE
Appearance and Odor:COLORLESS LIQUID WITH NO ODOR REPORTED.

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

Stability Indicator/Materials to Avoid:YES
SODIUM THIOSULFATE VIOLENTLY REACTS WITH SODIUM NITRILE. IT IS ALSO
    INCOMPATIBLE WITH STRONG OXIDIZERS, ACIDS.
Stability Condition to Avoid:ACIDS, STRONG OXIDANTS.
Hazardous Decomposition Products:HYDROGEN SULFIDE, SODIUM OXIDE.

===================  Toxicological Information	===================

Toxicological Information:RTECS: CAS # 7732-18-5: ZC0110000; CAS #
    10102-17-7: WE6660000; CAS # 10378-23-1: UNLISTED. LD50/LC50: CAS #
    7732-18-5: ORAL, RAT: LD50 = >90 ML/KG; CAS # 10102-17-7: ORAL,
    MOUSE: LD50 = 2700 MG/KG. E PIDEMIOLOGY/TERATOGENICITY/REPRODUCTIVE
    EFFECTS/NEUROTOXICITY/MUTAGENICITY/OTHER STUDIES: NO DATA
    AVAILABLE.

=====================  Ecological Information  =====================

Ecological:ECOTOXICITY: NOT AVAIL. ENVIRONMENTAL FATE: NOT AVAIL.
    PHYSICAL/CHEM: NOT AVAIL. OTHER: NOT AVAIL. OTHER INFO: WGK (WATER
    DANGER/PROT): CAS # 7732-18-5: NO INFO AVAIL; CAS # 10102-17-7: 0;
    CAS # 10378 -23-1: NO INFO AVAIL. CANADA: CAS # 7732-18-5 IS LISTED
    ON CANADA'S DSL/NDSL LIST; THIS PROD HAS A WHMIS CLASSIFICATION OF
    NOT CONTROLLED. NONE OF THE INGS ARE LISTED ON CANADA'S ING
    DISCLOSURE LIST.

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

Waste Disposal Methods:DISPOSE OF IN A MANNER CONSISTENT WITH FEDERAL,
    STATE, AND LOCAL REGULATIONS. RCRA D-SERIES MAXIMUM CONCENTRATION
    OF CONTAMINANTS: NONE LISTED. RCRA D-SERIES CHRONIC TOXICITY
    REFERENCE LEVELS: NONE LI STED. RCRA F-SERIES: NONE LISTED. RCRA
    P-SERIES: NONE LISTED. RCRA U-SERIES: NONE LISTED.

===================  MSDS Transport Information  ===================

Transport Information:US DOT: NO INFORMATION AVAILABLE. IMO: NO
    INFORMATION AVAILABLE. IATA: NO INFORMATION AVAILABLE. RID/ADR: NO
    INFORMATION AVAILABLE. CANADIAN TOG: NO INFORMATION AVAILABLE.

=====================  Regulatory Information  =====================

SARA Title III Information:SECTION 302 (RQ): NONE OF THE CHEMICALS IN
    THIS MATERIAL HAVE AN RQ. SECTION 302 (TPQ): NONE OF THE CHEMICALS
    IN THIS PRODUCT HAVE A TPQ. SECTION 313: NO CHEMICALS ARE
    REPORTABLE UNDER SECTION 313.
Federal Regulatory Information:US FED: TSCA: CAS # 7732-18-5 IS LISTED
    ON TSCA INVENTORY; CAS # 10102-17-7 IS NOT ON TSCA INVENTORY. IT IS
    A HYDRATE & EXEMPT FROM TSCA INVENTORY REQS (40 CFR 720.3(0)(2));
    CAS # 10378-23-1 IS NOT LI STED ON TSCA INVENTORY. IT IS FOR
    RESEARCH & DEVEL USE ONLY. NONE OF THE CHEMS ARE ON HLTH & SFTY
    REPORTING LIST. NONE OF THE CHEMS ARE UNDER A CHEM TEST RULE. NONE
    OF THE CHEMS ARE LISTED UNDER TSCA	SECTION 12B. NONE OF THE CHEMS
    HAVE A SNUR (SIGNIFICANT NEW USE RULE) UNDER TSCA. CLEAN AIR ACT:
    THI S MATL DOES NOT CONTAIN ANY HAZ AIR POLLUTANTS, ANY CLASS 1
    OZONE DEPLETORS, ANY CLASS 2 OZONE DEPLETORS. (OTHER INFO)
State Regulatory Information:WATER IS NOT PRESENT ON STATE LISTS FROM
    CA, PA, MN, MA, FL, OR NJ. SODIUM THIOSULFATE, PENTAHYDRATE IS NOT
    PRESENT ON STATE LISTS FROM CA, PA, MN, MA, FL, OR NJ. TETRASODIUM
    ETHYLENE DIAMINE TETRAACE TATE DIHYDRATE IS NOT PRESENT ON STATE
    LISTS FROM CA, PA, MN, MA, LF, OR NJ. CALIFORNIA NO SIGNIFICANT
    RISK LEVEL: NONE OF THE CHEMICALS IN THIS PRODUCT ARE LISTED.

=======================  Other Information  =======================

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 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
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