Cat Number: PIE-0294

Sodium metabisulphite

APIs
CAS Number
7681-57-4
Synonyms
Sodium pyrosulfite
Sodium disulfite
Disodium pyrosulfite
Description
Antimicrobial; Preservative; Antioxidant
Molecular Weight
190.11
Molecular Formula
Na2S2O5
SMILES
[O-]S(=O)S(=O)(=O)[O-].[Na+].[Na+]
EINECS
231-673-0
Appearance
white crystalline or powder solid
Density, g/cm3
2.36
Melting Point
>302 °F (decomposes)
Standard
CDMF, USP-NF,Ph.Eur
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