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POTASSIUM SULFITE, DIHYDRATE)

POTASSIUM SULFITE, DIHYDRATE) structure

CAS No.: 7790-56-9

Chemical Name:: POTASSIUM SULFITE, DIHYDRATE)

Synonyms

CBNumber:: CB91476254

Molecular Formula:: H5KO4S

Molecular Weight:: 140.19

MDL Number:

MOL File:: 7790-56-9.mol

Last updated:2023-10-17 17:11:56

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POTASSIUM SULFITE, DIHYDRATE) Properties

Melting point	decomposes [KIR82]
solubility	slightly soluble in ethanol; decomposes dilute acid solutions
form	white monoclinic crystals
color	white monoclinic crystals, crystalline
Water Solubility	g/100g solution H2O: 47.52 (0°C), 49.01 (25°C), 55.53 (100°C); solid phase, K2SO3 [KRU93]

POTASSIUM SULFITE, DIHYDRATE) Chemical Properties,Uses,Production

Chemical Properties

white, monoclinic crystal(s) or crystal(s) powder(s); oxidizes gradually to sulfate in air; used as a photographic developer, as a food and wine preservative [HAW93] [MER06] [KIR82]

POTASSIUM SULFITE, DIHYDRATE) Preparation Products And Raw materials

Raw materials

Hydrogen Potassium hydroxide Sulfur dioxide

Preparation Products

7790-56-9