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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:
Disulfurous acid, disodium salt

CAS information

CAS number:
7681-57-4

Molecular and structural information

Molecular formula:
H2O5S2.2Na
Molecular weight:
206.107
SMILES notation:
[Na+].[Na+].[O-]S(=O)[O-].[O-]S(=O)[O-]
InChl:
InChI=1/2Na.2H2O3S/c;;2*1-4(2)3/h;;2*(H2,1,2,3)/q2*+1;;/p-4
Structural formula:
Chemical structure