A white crystalline solid that is used as a photographic fixing agent. Ammonium thiosulfate is also used as a fungicide, a metal lubricant, and an analytical reagent. It acts as a reducing agent that is effective for cleaning metals and alloys containing tin, zinc, lead, or silver.
Synonyms and Related Terms
ammonium thiosulphate (Br.)
Soluble in water. Insoluble in ethanol.
|Melting Point||150 (dec)|
|Molecular Weight||mol. wt. = 148.21|
Hazards and Safety
Contact may cause irritation. Noncombustible.
Eastman Kodak: MSDS 03/05/99
Sources Checked for Data in Record
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
- The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 598