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Reference substances

Reference substances

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General information

Inventory

EC number:
231-673-0
EC name:
Disodium disulphite
CAS number:
7681-57-4

No inventory information available

Reference substance information

IUPAC name:
disodium disulphite
Synonyms
Names:
sodium metabisulfite
Identifier:
other: Molecular formula
H2O5S2.2Na

CAS information

CAS number:
7681-57-4

Molecular and structural information

Molecular formula:
Na2S2O5
Molecular weight:
190.1
SMILES notation:
[Na+].[Na+].S(S(=O)(=O)[O-])([O-])=O
Structural formula:
Chemical structure