Potassium thiosulfate
Agent Name
Potassium thiosulfate
CAS Number
10294-66-3
Formula
H2-O3-S2.2K
Major Category
Other Classes
Synonyms
Potassium thiosulphate; Thiosulfuric acid (H2S2O3), dipotassium salt; Thiosulfuric acid (H2S2O3), potassium salt (1:2); Potassium thiosulfate solution; [ChemIDplus] Potassium hyposulfite; [Merck Index] Dipotassium thiosulfate; [ECHA REACH Registrations]
Category
Sulfur Compounds
Description
Colorless hygroscopic solid; [Merck Index] White crystalline solid; [Sigma-Aldrich MSDS]
Sources/Uses
Used in photographic developing; [REPROTOX] Used to make fertilizers, large scale and fine chemicals, computer-electronic-optical products, and in the health services industry; [ExPub: ECHA REACH Registrations]
Comments
A skin and strong eye irritant; [Sigma-Aldrich MSDS] See "Sodium thiosulfate."
Biomedical References
Diseases, Processes, and Activities Linked to This Agent
Processes
Industrial Processes with risk of exposure: