POTASSIUM METABISULFITE

CAS #: 16731-55-8
SKU: 16731-55-8

Potassium metabisulfite appears as a white granular or powdery solid with a sharp odor of sulfur dioxide. Decomposes at 150 to 190°C. Density 2.3 g / cm3. Contact severely irritates skin, eyes, and mucous membranes. Low toxicity. Used as a food preservative and an antioxidant.

Additional Information

Additional information

CAS No

16731-55-8

Formula

K2S2O5

Synonyms

POTASSIUM METABISULFITEPotassium disulfitePotassium pyrosulfiteDipotassium disulfiteDipotassium pyrosulfiteDipotassium disulphiteDipotassium metabisulfiteCCRIS 1427

Chemical Options

Item No.90138
Molecular Weight222.33
PurityReagent
Solubilityfreely-soluble-in-water-insoluble-in-alcohol
Melting Pointdecomposes-at-approximately-150-degc
Density2.3 g/cu cm

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