Sodium metabisulfite

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Sodium metabisulfite
Posting date : Feb 13, 2011
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38-
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Name: Sodium metabisulfite Solid content 96% CAS NO : 7681-57-4 Molecular formula : Na2S2O5 Synonyms : Sodium pyrosulfite, disodium salt Appearance : Solid industrial/food. Package: 25kg woven bag Molecular Weight 190.09 The physicochemical properties : Sodium metabisulphite for white or yellow crystalline powder or small crystallization, with a strong smell of SO2, soluble in water, the proportion of 1.4 become acidic aqueous solution, with acid, SO2 and generate contact out corresponding salts in the air for long, Na2S2O4 oxidized, the product is not long. Above, namely the SO2 1500C decomposition.

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