Product ID:SODIUM THIOSULFATE STANDARD SOLUTION,STABILIZED,24085-32
MSDS Date:11/06/1996
FSC:6810
NIIN:01-358-4381
MSDS Number: CCMCD

HACH CO.

100 DAYTON RD.
AMES, IA 50010
US

Emergency Phone: 800-227-4224/515-232-2533

Info Phone: 800-227-4224

Cage: 4T252

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%

OTHER COMPONENTS (TYPE NOT SPECIFIED), EACH

Fraction By Weight: <1%

WATER/DEMINERALIZED WATER

CAS: 7732-18-5

RTECS: ZC0110000

Fraction By Weight: BALANCE

OSHA PEL NOT RELEVANT

ACGIH TLV: NOT RELEVANT

LD50 LC50 Mixture:LD50 (ORAL, RAT) IS NOT KNOWN.
Routes of Entry: Inhalation:NO Skin:NO Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:TARGET ORGANS:EYE, SKIN. ACUTE-
EYE:MAY CAUSE IRRITATION. SKIN:MAY CAUSE IRRITATION. INHALE:NO
ADVERSE EFFECTS ARE EXPECTED. ORAL:MAY BE HARMFUL IF INGESTED.
CHRONIC- UNKNOWN.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:IRRITATION, NAUSEA, VOMITING, TEARING
Medical Cond Aggravated by Exposure:NONE REPORTED.

First Aid:GET MEDICAL ATTENTION IF SYMPTOMS PERSIST. SKIN:REMOVE
CONTAMINATED CLOTHING. WASH SKIN WITH SOAP & WATER. EYE:FLUSH EYES
WITH WATER FOR 15 MINUTES. HOLD EYELIDS OPEN. INHALED:REMOVE TO
FRESH AIR. ORA L:IF CONSCIOUS, DRINK LARGE AMOUNT OF WATER. CALL A
PHYSICIAN.

Flash Point Method:COC
Flash Point:>212F,>100C
Extinguishing Media:USE WATER FOG, CARBON DIOXIDE (CO2), ALCOHOL FOAM
OR DRY CHEMICAL. USE WATER SPRAY TO COOL FIRE EXPOSED CONTAINERS.
Fire Fighting Procedures:WEAR PROTECTIVE CLOTHING AND NIOSH-APPROVED
SELF-CONTAINED BREATHING APPARATUS.
Unusual Fire/Explosion Hazard:NONE

Spill Release Procedures:FLUSH TO SEWER WITH LARGE AMOUNT OF WATER IF
PERMITTED. OTHERWISE, ABSORB SPILL WITH INERT MATERIAL SUCH AS
VERMICULITE. PLACE IN A CONTAINER FOR DISPOSAL. CLEAN AREA
THOROUGHLY TO REMOVE RESIDUAL CON TAMINATION. PREVENT RUNOFF FROM
ENTERING SEWERS.
Neutralizing Agent:NOT RELEVENT

Handling and Storage Precautions:STORE IN COOL PLACE AWAY FROM
OXIDIZERS.
Other Precautions:AVOID BREATHING VAPORS OR MISTS. DO NOT GET IN EYES,
ON SKIN OR ON CLOTHING. WASH THOROUGHLY AFTER HANDLING AND BEFORE
EATING OR DRINKING. REMOVE CONTAMINATED CLOTHING PROMPTLY. LAUNDER
BEFORE REUSE. KEEP OUT OF REACH OF CHILDREN.

Respiratory Protection:IF WORKING IN CONFINED AREAS OR IF EXCESSIVE
MISTING IS EXPECTED, WEAR NIOSH-APPROVED SUPPLIED AIR RESPIRATORY
PROTECTION.
Ventilation:MECHANICAL (GENERAL AND/OR LOCAL EXHAUST) VENTILATION
Protective Gloves:DISPOSABLE LATEX
Eye Protection:LAB GRADE GOGGLES
Other Protective Equipment:EYE WASH STATION, SAFETY SHOWER, PROTECTIVE
CLOTHING
Work Hygienic Practices:OBSERVE GOOD INDUSTRIAL HYGIENE PRACTICES AND
RECOMMENDED PROCEDURES.
Supplemental Safety and Health

HCC:B3
NRC/State Lic Num:NOT RELEVANT
Boiling Pt:B.P. Text:210F,99C
Melt/Freeze Pt:M.P/F.P Text:23.0F,-5.0C
Spec Gravity:1.05
pH:9.9
Evaporation Rate & Reference:0.84 (REF: UNKNOWN)
Solubility in Water:SOLUBLE
Appearance and Odor:CLEAR, COLORLESS LIQUID - SWEET ODOR
Corrosion Rate:0.006

Stability Indicator/Materials to Avoid:YES
Stability Condition to Avoid:EXTREME HEAT
Hazardous Decomposition Products:MAY FORM CARBON MONOXIDE, CARBON
DIOXIDE, SODIUM OXIDE

Waste Disposal Methods:DISPOSE OF IN ACCORDING TO LOCAL, STATE AND
FEDERAL REGULATIONS.

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