Potassium sulfite/Dipotassium sulfite/potassium sulfite/potassiumsulphite

English Name: potassium sulfide; Dipotassium sulfite； potassium sulfite； potassiumsulphite

Other name: potassium sulfite

CAS No.: 10117-38-1

K2SO3=158.26

grade: CP

Content: ≥ 95.0%

Chloride: ≤ 0.01%

Free alkali: ≤ 0.6%

Acid sulfite: acceptable

Water insoluble matter: ≤ 0.01%

Heavy metals (calculated by Pb): ≤ 0.002%

Iron: ≤ 0.002%

Arsenic: ≤ 0.0005%

Physicochemical properties : white powder. Sensitive to humidity. It gradually oxidizes into sulfate in the air. It decomposes into sulfur dioxide in dilute acid. Soluble in water, slightly soluble in ethanol. Irritating.

Purpose: biochemical research. Antioxidant. Developer.

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