HACH CO -- 2408532, SODIUM THIOSULFATE STANDARD SOLUTION, STABILIZED -- 6810-01-358-4381 
=====================  Product Identification  =====================

Product ID:2408532, SODIUM THIOSULFATE STANDARD SOLUTION, STABILIZED
MSDS Date:08/31/1998
FSC:6810
NIIN:01-358-4381
Status Code:A
Kit Part:Y
=== Responsible Party ===
Company Name:HACH CO
Address:5600 LINDBERGH DR
Box:389
City:LOVELAND
State:CO
ZIP:80539-8902
Country:US
Info Phone Num:970-669-3050/800-227-4224
Emergency Phone Num:303-623-5716
Resp. Party Other MSDS Num.:M00371
CAGE:91224
=== Contractor Identification ===
Company Name:BENTLY PACKING CORP
Address:3031WMILL RD
Box:City:MILWAUKEE
State:WI
ZIP:53209
Country:US
CAGE:0BGE6
Company Name:HACH CO
Address:5600 LINDBERGH DR
Box:389
City:LOVELAND
State:CO
ZIP:80539
Country:US
Phone:970-669-3050/ 303-623-5716
CAGE:91224

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

Ingred Name:PROPYLENE GLYCOL
CAS:57-55-6
RTECS #:TY2000000
Minumum % Wt:20.
Maxumum % Wt:30.

Ingred Name:DEMINERALIZED WATER
CAS:7732-18-5
RTECS #:ZC0110000
Minumum % Wt:70.
Maxumum % Wt:80.

Ingred Name:SODIUM THIOSULPHATE
CAS:7772-98-7
RTECS #:XN6476000
< Wt:1.

Ingred Name:SODIUM SULFATE
CAS:7757-82-6
RTECS #:WE1650000
Minumum % Wt:1.
Maxumum % Wt:5.

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

LD50 LC50 Mixture:NO DATA FOR PRODUCT AS A WHOLE
Routes of Entry: Inhalation:UNKNOWN  Skin:YES  Ingestion:YES
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:TARGET ORGANS: NOT APPLICABLE. MAY
    CAUSE EYE AND SKIN IRRITATION. EYE: MAY CAUSE IRRITATION. SKIN: MAY
    CAUSE IRRITATION. INGESTION: VERY LARGE DOSES MAY CAUSE CENTRAL
    NERVOUS SYSTEM DEPRESSION, KIDNEY  DAMAGE, RAPID PULSE AND
    RESPIRATION. INHALATION: NO EFFECTS ANTICIPATED. CHRONIC EFFECTS:
    NONE REPORTED.
Explanation of Carcinogenicity:THIS PRODUCT DOES NOT CONTAIN ANY OSHA,
    IARC, OR NTP LISTED CARCINOGENS.
Effects of Overexposure:MAY CAUSE EYE AND SKIN IRRITATION. EYE: MAY
    CAUSE IRRITATION. SKIN: MAY CAUSE IRRITATION. INGESTION: VERY LARGE
    DOSES MAY CAUSE CENTRAL NERVOUS SYSTEM DEPRESSION, KIDNEY DAMAGE,
    RAPID PULSE AND RESPIR ATION.
Medical Cond Aggravated by Exposure:NONE REPORTED.

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

First Aid:EYE: IMMEDIATELY FLUSH EYES WITH WATER FOR 15 MINUTES. CALL
    PHYSICIAN. SKIN: WASH SKIN WITH SOAP AND PLENTY OF WATER. CALL
    PHYSICIAN IF IRRITATION DEVELOPS. INGESTION: GIVE LARGE QUANTITIES
    OF WATER.  CALL PHYSICIAN IMMEDIATELY. INHALATION: REMOVE TO FRESH
    AIR.

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

Flash Point Method:OC
Flash Point:>100.C, 212.F
Autoignition Temp:Autoignition Temp Text:ND
Lower Limits:ND
Upper Limits:ND
Extinguishing Media:USE MEDIA APPROPRIATE TO SURROUNDING FIRE
    CONDITIONS.
Fire Fighting Procedures:AS IN ANY FIRE, WEAR SELF-CONTAINED BREATHING
    APPARATUS PRESSURE-DEMAND AND FULL PROTECTIVE GEAR.
Unusual Fire/Explosion Hazard:NONE REPORTED.

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

Spill Release Procedures:ABSORB SPILLED LIQUID WITH NON-REACTIVE
    SORBENT MATERIAL. SWEEP UP MATERIAL. PLACE MATERIAL IN A PLASTIC
    BAG. MARK BAG "NON-HAZARDOUS TRASH", DISPOSE OF AS NORMAL REFUSE.
    DECONTAMINATE THE AREA OF THE  SPILL WITH A SOA SOLUTION.
Neutralizing Agent:NO DATA PROVIDED BY MANUFACTURER

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

Handling and Storage Precautions:HANDLING: AVOID CONTACT WITH EYES AND
    SKIN. DO NOT BREATHE MIST OR VAPORS. WASH THOROUGHLY AFTER
    HANDLING. MAINTAIN GENERAL INDUSTRIAL HYGIENE PRACTICES WHEN USING
    THIS PRODUCT. STORAGE: PROTECT FROM  OXIDIZERS.
Other Precautions:FLAMMABILITY CLASS: NOT APPLICABLE.

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

Respiratory Protection:ADEQUATE VENTILATION.
Ventilation:ADEQUATE VENTILATION.
Protective Gloves:DISPOSABLE LATEX.
Eye Protection:SAFETY GLASSES WITH TOP AND SIDE SHIELDS.
Other Protective Equipment:LAB COAT, EYEWASH STATION.
Work Hygienic Practices:MAINTAIN GENERAL INDUSTRIAL HYIENE PRACTICES
    WHEN USING THIS PRODUCT. WASH THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health
PID CONT: SOLUTION, STABLIZED, 0.00246 N. DLA-HMIRS STAFF NOTE: KIT/KIT
    PART ENABLED SINCE THIS NSN IS/CAN BE A PART OF A KIT (NSN
    6850-01-423-1699 (SERIAL #: ZZZXK), A SUB-ASSEMBLY OF NSN
    4610-01-371 -1790 (SERIAL #: ZZZXJ)). HCC IS FOR NSN TSAND-ALONE.
    KIT HCC IS C1.

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

HCC:V5
Boiling Pt:=99.C, 210.2F
Melt/Freeze Pt:=-5.C, 23.F
Vapor Pres:ND
Vapor Density:ND
Spec Gravity:1.05
pH:9.9
Evaporation Rate & Reference:0.91(WATER=1)
Solubility in Water:SOLUBLE
Appearance and Odor:CLEAR COLORLESS LIQUID, SWEET ODOR.

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

Stability Indicator/Materials to Avoid:YES
OXIDIZERS.
Stability Condition to Avoid:HEAT, EVAPORATION.
Hazardous Decomposition Products:TOXIC FUMES OF SODIUM OXIDES, CARBON
    MONXIDE, CARBON DIOXIDE.
Conditions to Avoid Polymerization:WILL NOT OCCUR.

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

Toxicological Information:PRODUCT TOXICOLOGICAL DATA: LD50; NONE
    REPORTED. LC50: NONE REPORTED. DERMAL TOXICITY: NONE REPORTED. SKIN
    AND EYE IRRITATION DATA: NONE REPORTED. MUTATION DATA: NONE
    REPORTED. REPRODUCTIVE EFFECTS DA TA: NONE REPORTED. INGREDIENT
    TOXICOLOGICAL DATA: PROPYLENE GLYCOL: ORAL LD50 = 20 G/KG; SODIUM
    SULFATE: ORAL MOUSE LD50 = 5989 MG/KG; SODIUM THIOSULFATE: ORAL RAT
    LD50 > 8 G/KG.

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

Ecological:PRODUCT ECOLOGICAL INFORMATION: NO ECOLOGICAL DATA AVAILABLE
    FOR THIS PRODUCT. INGREDIENT ECOLOGICAL INFORMATION: NO ECOLOGICAL
    DATA AVAILABLE FOR THE INGREDIENTS OF THIS PRODUCT.

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

Waste Disposal Methods:DILUTE TO 3 TO 5 TIMES THE VOLUME WITH COLD
    WATER. ADJUST TO A PH BETWEEN 6 AND 9 WITH AN ACID SUCH AS SULFURIC
    OR CITRIC. OPEN COLD WATER TAP COMPLETELY, SLOWLY POUR THE REACTED
    MATERIAL TO THE DRAIN . ALLOW COLD WATER TO RUN FOR 5 MINUTES TO
    COMPLETELY FLUSH THE SYSTEM. EMPTY CONTAINERS: RINSE THRE E TIMES
    WITH AN APPROPRIATE SOLVENT.

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

Transport Information:DOT PROPER SHIPPING NAME: NOT CURRENTLY
    REGULATED. ICAO: ICAO PROPER SHIPPING NAME: NOT CURRENTLY
    REGULATED. IMO: IMO PROPER SHIPPING NAME: NOT CURRENTLY REGULATED.

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

SARA Title III Information:SECTION 311/312 CATEGORIZATION (40 CFR 370):
    IMMEDIATE 9ACUTE) HEALTH HAZARD. SECTION 313 (40 CFR 372): THIS
    PRODUCT DOES NOT CONTAIN ANY CHEMICAL SUBJECT TO THE REPORTING
    REQUIREMENTS OF SECTION 313  OF TITLE III OF SARA. 302 (EHS) TPQ
    (40 CFR 355): NOT APPLICABLE. 304 CERCLA RQ (40 CFR 302.4): NOT
    APPLICABLE. 304 EHS RQ (40 CFR 355): NOT APPLICABLE.
Federal Regulatory Information:RCRA: CONTAINS NO RCRA REGULATED
    SUBSTANCES. CLEAN WATER ACT (40 CFR 116.4): NOT APPLICABLE. CPSC:
    NOT APPLICABLE. US INVENTORY STATUS: ALL INGREDIENTS IN THIS
    PRODUCT ARE LISTED ON THE TSCA 8(B) INVE NTORY (40 CFR 710). TSCA
    CAS#: NOT APPLICABLE.
State Regulatory Information:CALIFORNIA PROPOSITION 65:NO CALIFORNIA
    PROPOSITION 65 LISTED CHEMICLS ARE PRESENT IN THIS PRODUCT.
    IDENTIFICATION OF CALIFORNIA PROPOSITION 65 INGREDIENT(S): NONE.
    TRADE SECRET REGISTRY: NOT APPLICAB LE.

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

 ======================================================================
 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.