Product ID:NDTPF
MSDS Date:02/01/1990
FSC:6750
NIIN:01-324-4663
MSDS Number: BYPFG

DUPONT

1007 MARKET STREET
WILMINGTON, DE 19898-5000
US

Emergency Phone: 800-532-7233

Info Phone: 800-532-7233

Cage: EO596

IE DUPONT DE NEMOURS CO INC

WILMINGTON, DE 19898 US

Telephone: 1-800-441-9442

Cage: 0UFA8

AMMONIUM THIOSULFATE

CAS: 7783-18-8

RTECS: XN6465000

Fraction By Weight: 15-40%

SODIUM THIOSULFATE ANHYDROUS; THIOSULFURIC ACID, DISODIUM

CAS: 7772-98-7

RTECS: XN6476000

Fraction By Weight: 40-70%

SODIUM METABISULFITE, SODIUM METABISULPHITE

CAS: 7681-57-4

RTECS: UX8225000

Fraction By Weight: 10-30%

ACGIH TLV: 5 MG/CUM

LD50 LC50 Mixture:ORAL LD50(RAT): 2890 MG/KG (SEE SUPP)
Routes of Entry: Inhalation:NO Skin:NO Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:EYES/SKIN: IRRITATION. INHALATION:
RESPIRATORY IRRITATION. INGESTION: GASTROINTESTINAL IRRITATION.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:DERMATITIS/NAUSEA/ABDOMINAL
PAIN/DIARRHEA/BREATHING DIFFICULTIES/COUGHING/IRRITATION OF THE
EYES, SKIN, MUCOUS MEMBRANE & RESPIRSTORY SYSTEM.

First Aid:INHALATION: REMOVE TO FRESH AIR. IF NOT BREATHING, GIVE CPR.
IF BREATHING IS DIFFICULT, GIVE OXYGEN. SKIN: IMMEDIATELY WASH
W/SOAP & WATER. EYES: FLUSH EYES W/WATER FOR 15 MINUTES. INGESTION:
INDUCE V OMITING IMMEDIATELY BY GIVING 2 GLASSESOF WATER & STICKING
FINGER DOWN THROAT. OBTAIN MEDICAL ATTENTION IN ALL CASES.

Flash Point:302F
Extinguishing Media:ANY SUITABLE TO PRIMARY CAUSE OF FIRE.
Fire Fighting Procedures:EVACUATE AREA & REMOVE UPWIND. WEAR SCBA.
Unusual Fire/Explosion Hazard:HAZARDOUS GASES/VAPORS ARE PRODUCED IN
FIRE.

Spill Release Procedures:SHOVEL/SWEEP UP.

Handling and Storage Precautions:STORE IN A COOL PLACE. KEEP CONTAINER
TIGHTLY CLOSED. AVOID DUST GENERATION.
Other Precautions:DON'T STORE/CONSUME FOOD/DRINK/TABACCO IN AREAS WHERE
THEY MAY BECOME CONTAMINATED W/THIS MATERIAL.

Respiratory Protection:FILTER RESPIRATOR
Protective Gloves:LATEX/NEOPRENE
Eye Protection:SAFETY GLASSES/GOGGLES
Supplemental Safety and Health
ORAL LD(50) INFORMATION IS FOR AMMONIUM THIOSULFATE.

Melt/Freeze Pt:M.P/F.P Text:230F
Decomp Temp:Decomp Text:302F
pH:4.7
Solubility in Water:2050 G/L
Appearance and Odor:WHITE POWDER W/SLIGHT SULFER DIOXIDE ODOR

Stability Indicator/Materials to Avoid:YES
STRONG ACIDS/BASES
Hazardous Decomposition Products:SULFUR DIOXIDE & AMMONIA

Waste Disposal Methods:DISPOSE OF IAW/ALL FEDERAL/STATE & LOCAL
REGULATIONS.

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.