Product ID:SODIUM THIOSULFATE STANDARD SOLUTION, STABILIZED, 0.00246N
MSDS Date:04/25/1995
FSC:6810
NIIN:01-358-4381
MSDS Number: BSKWV

HACH CO.

100 DAYTON RD.
AMES, IA 50010-0642
US

Emergency Phone: 515-232-2533 OR 800-247-3990

Info Phone: 303-669-3050 OR 800-227-4224

Cage: 91224

KAMPI COMPONENTS CO., INC.

721 BRISTOL, PA 19007-3517 US

Telephone: 215-736-2000

Cage: 7Z016

PROPYLENE GLYCOL

CAS: 57-55-6

RTECS: TY2000000

Fraction By Weight: 20-30%

SODIUM SULFATE DECAHYDRATE (GLAUBER'S SALT)

CAS: 7757-82-6

RTECS: WE1650000

Fraction By Weight: 1-5%

SODIUM THIOSULFATE

CAS: 7772-98-7

RTECS: XN6476000

Fraction By Weight: <1%

DEMINERALIZED WATER

CAS: 7732-18-5

RTECS: ZC0110000

Fraction By Weight: TO 100%

OTHER COMPONENTS (TYPE NOT SPECIFIED)

Fraction By Weight: <1%

ANY COMPONENT OF THIS MIXTURE NOT SPECIFICALLY LISTED IS

LD50 LC50 Mixture:PRODUCT'S LD50 (ORAL RAT) WAS NOT STATED
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:ACUTE-IRRITATING TO EYES & SKIN.
TOXICITY NOT DETERMINED. CHRONIC-NOT DETERMINED.
Explanation of Carcinogenicity:MFR SAID "NOT APPLICABLE" UNDER CANCER
INFORMATION.
Effects of Overexposure:MAY CAUSE EYE & SKIN IRRITATION.
Medical Cond Aggravated by Exposure:NONE REPORTED.

First Aid:EYE AND SKIN CONTACT-IMMEDIATELY FLUSH EYES WITH WATER FOR 15
MINUTES. CALL PHYSICIAN. WASH SKIN WITH SOAP AND PLENTY OF WATER.
INGESTION-GIVE LARGE QUANTITIES OF WATER. CALL PHYSICIAN
IMMEDIATELY. IN HALATION-REMOVE TO FRESH AIR.

Flash Point Method:COC
Flash Point:>212F,>100C
Autoignition Temp:Autoignition Temp Text:N/D
Lower Limits:N/D
Upper Limits:N/D
Extinguishing Media:WATER, DRY CHEMICAL, ALCOHOL FOAM, CARBON DIOXIDE.
Fire Fighting Procedures:NONE SPECIFIED BY MANUFACTURER.
Unusual Fire/Explosion Hazard:NONE.

Spill Release Procedures:DILUTE WITH WATER. POUR DOWN DRAIN WITH EXCESS
WATER.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:STORE IN A COOL, DRY PLACE AWAY FROM
OXIDIZERS.
Other Precautions:AVOID CONTACT EYES, SKIN & CLOTHING. DO NOT BREATHE
MIST OR VAPOR. WASH THOROUGHLY AFTER HANDLING.

Respiratory Protection:MFR GAVE NO INFORMATION ON MSDS.
Ventilation:ADEQUATE VENTILATION.
Protective Gloves:DISPOSABLE LATEX GLOVES.
Eye Protection:LAB GRADE GOGGLES.
Other Protective Equipment:MFR GAVE NO INFORMATION ON MSDS.
Work Hygienic Practices:WASH THOROUGHLY HANDS AFTER HANDLING.
Supplemental Safety and Health
NONE

HCC:N1
NRC/State Lic Num:NONE
Boiling Pt:B.P. Text:210F,99C
Melt/Freeze Pt:M.P/F.P Text:23.0F,-5.0C
Vapor Pres:N/D
Vapor Density:N/D
Spec Gravity:1.05
pH:9.9
Evaporation Rate & Reference:0.84
Solubility in Water:SOLUBLE
Appearance and Odor:CLEAR, COLORLESS LIQUID WITH A SWEET ODOR.
Corrosion Rate:0.006

Stability Indicator/Materials to Avoid:YES
OXIDIZERS.
Stability Condition to Avoid:EXCESSIVE HEAT, CONTACT WITH OXIDIZERS.
Hazardous Decomposition Products:MAY EMIT TOXIC FUMES OF CARBON OXIDES
AND SODIUM OXIDES IN FIRE.

Waste Disposal Methods:DISPOSE OF IN ACCORDANCE WITH FEDERAL, STATE AND
LOCAL REGULATIONS.

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