Potassium arsenite

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Description

A white hygroscopic powder. Potassium arsenite is used to reduce silver salts to silver metal during the manufacture of mirrors.

Synonyms and Related Terms

potassium metaarsenite

Risks

  • Toxic by ingestion and inhalation.
  • Skin contact causes irritation.
  • Sigma Aldrich: SDS

Physical and Chemical Properties

Soluble in water. Slightly soluble in ethanol.

Composition KH(AsO2)2 - H2O
CAS 10124-50-2
Molecular Weight mol. wt. = 146.02

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