Sodium metabisulfite
MF： H2O5S2.2Na
MW： 192.12
CAS： 7681-57-4
Property:
white or slightly yellow crystalline powder. Soluble in water, the aqueous solution is acidic. Soluble in glycerol, slightly soluble in ethanol.
Product name: Sodium metabisulfite
Chemical formula: Na2S2O5
Molecular weight: 190.09
Cas number: 7681-57-4
Melting point: 150 ℃
Density:1.48 g/cm
Application:
Used as a chromatographic analysis reagent, preservative, and reducing agent in the dye and pharmaceutical industries.
Used as a bleaching agent, mordant, reducing agent, rubber coagulant, as well as in organic synthesis, pharmaceuticals, and spices.
Used as a preservative, bleach, and loosening agent in food processing.
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