Product ID:SODIUM THIOSULFATE STANDARD SOLUTION, STABILIZED, 0.00246N
MSDS Date:05/18/1995
FSC:6810
NIIN:01-358-4381
MSDS Number: CJKSX

HACH CO

LOVELAND, CO 80539-0389
US

Emergency Phone: 303-623-5716

Info Phone: 970-669-3050

Cage: 91224

KAMPI COMPONENTS CO., INC.

721 BRISTOL, PA 19007-3517 US

Telephone: 215-736-2000

Cage: 7Z016

OTHER COMPONENTS, EACH

PROPYLENE GLYCOL

CAS: 57-55-6

RTECS: TY2000000

SODIUM SULFATE

CAS: 7757-82-6

RTECS: WE1650000

SODIUM THIOSULFATE

CAS: 7772-98-7

RTECS: XN6476000

DEMINERALIZED WATER

CAS: 7732-18-5

RTECS: ZC0110000

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:EYE CONTACT: MAY CAUSE IRRITATION.
SKIN CONTACT: MAY CAUSE IRRITATION. SKIN ABSORPTION: NO EFFECTS
ANTICIPATED. INGESTED: VARY LARGE DOSES MAY CAUSE CENTRAL NERVOUS
SYSTEM DEPRESSION, KIDNEY DAMAGE, R APID PULSE & RESPIRATIONS.
INHALED-NO EFFECTS ANTICIPATED. TARGET ORGANS: NOT APPLICABLE.
CHRONIC EFFECTS: NONE REPORTED.
Explanation of Carcinogenicity:PRODUCT DOES NOT CONTAIN ANY
NTP/IARC/OSHA LISTED CHEMICALS.
Effects of Overexposure:EYES-IRRITATION. SKIN-IRRITATION. INGESTED
(LARGE DOSES)-CNS DEPRESSION, RAPID PULSE/RESPIRATIONS.
Medical Cond Aggravated by Exposure:NONE REPORTED.

First Aid:EYES-IMMEDIATELY FLUSH WITH WATER FOR 15 MINUTES. CALL
PHYSICAN. SKIN-WASH WITH SOAP & WATER. CALL PHYSICIAN IF IRRITATION
DEVELOPS. INGESTED-GIVE LARGE QUANTITIES OF WATER. CALL PHYSICIAN
IMMEDIATELY . INHALED-REMOVE FRESH TO FRESH AIR.

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 BREATHIG
APPARATUS PRESSURE-DEMAND AND FULL PROTECTIVE GEAR. HAZARDOUS
COMBUSTION PRODUCTS: TOXIC FUMES OF SODIUM OXIDES, CARBON
MONOXIDEAND CARBON DIOXIDE.
Unusual Fire/Explosion Hazard:NONE REPORTED. DURING FIRE THIS PRODUCT
DECOMPOSES TO FORM TOXIC GASES.

Spill Release Procedures:EVACUATE AS NEEDED TO PERFORM CLEAN-UP. ONLY
PROPERLY TRAINED PERSONNEL SHOULD RESPOND. ABSORB LIQUID WITH
NON-REACTIVE SORBENT MATERIAL. STOP SPILLED MATERIAL FROM BEING
RELEASED TO THE ENVIRONMENT. SWEEP UP ABSORBED MATERIAL. PLACE
MATERIAL IN A PLASTIC BAG. MARK "NON-HAZARD WASTE" & DISPOSE OF IN
NORMAL REFUSE. DECONTAMINATE SPILL AREA WITH SOAPY WATER.
Neutralizing Agent:SULFURIC ACID OR CITRIC ACID.

Handling and Storage Precautions:AVOID CONTACT WITH EYES. DO NOT BREATH
MIST OR VAPOR. PROTECT FROM OXIDIZERS. FLAMMABILITY CLASS: NOT
APPLICABLE.
Other Precautions:EMPTY CONTAINERS: RINSE THREE TIMES WITH AN
APPROPRIATE SOLVENT. DISPOSE OF EMPTY CONTAINER AS NORMAL TRASH.

Ventilation:ADEQUATE VENTILATION.
Protective Gloves:DISPOSABLE LATEX GLOVES.
Eye Protection:SAFETY GLASSES WITH TOP & SIDE SHIELDS.
Other Protective Equipment:EYE WASH STATION. LAB COAT.
Work Hygienic Practices:MAINTAIN GENERAL INDUSTRIAL HYGIENE PRACTICES
WHEN USING THIS PRODUCT. WASH THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health
NONE SPECIFIED BY MANUFACTURER.

HCC:B3
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.
Corrosion Rate:0.006

Stability Indicator/Materials to Avoid:YES
INCOMPATIBLE WITH OXIDIZERS.
Stability Condition to Avoid:STABLE WHEN STORED UNDER PROPER
CONDITIONS. HEAT, EVAPORATION.
Hazardous Decomposition Products:TOXIC FUMES OF SODIUM OXIDES, CARBON
MONOXIDE, CARBON DIOXIDE.
Conditions to Avoid Polymerization:WILL NOT OCCUR

Waste Disposal Methods:EPA WASTE ID NUMBER: NONE. DILUTE TO 3-5 TIMES
THE VOLUME WITH WATER. ADJUST TO PH 6-9 WITH ACID SUCH AS SULFURIC
OR CITRIC. OPEN COLD WATER TAP COMPLETELY, SLOWLY POUR REACTED
MATERIAL TO THE DRAIN. ALLOW COLD WATER TO RUN 5 MINUTES AFTERTO
COMPLETELY FLUSH THE SYSTEM.

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

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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.

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

Transport Information:DOT/IMO/ICAO: NOT CURRENTLY REGULATED.

SARA Title III Information:SARA 311/312 (40 CFR 370): IMMEDIATE (ACUTE)
HEALTH. SARA 313 (40 CFR 372): THIS PRODUCT DOES NOT CONTAIN ANY
CHEMICAL SUBJECT TO THE REPORTING REQUIREMENTS OF SECTION 313 OF
TITLE III OF SARA.
Federal Regulatory Information:NATIONAL INVENTORIES: ALL INGREDIENTS IN
THIS PRODUCT ARE LISTED ON THE TSCA 8(B) INVENTORY (40 CFR 710).
OSHA: THIS PRODUCT MEETS THE CRITERIA FOR A HAZARDOUS MATERIAL AS
DEFINED IN THE HAZARD COMMUN ICATION STANDARD (29 CFR1910.1200).
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.
CLEAN WATER ACT 940 CFR 116.4): NO T APPLICABLE. RCRA : CONTAINS NO
RCRA REGULATED SUBSTANCES. C.P.S.C.: NOT APPLICABLE.
State Regulatory Information:CALIFORNIA PROPOSITION 65: NO PROPOSITION
65 LISTED CHEMICALS ARE PRESENT IN THIS PRODUCT. TRADE SECRET
REGISTRY: NOT APPLICABLE.