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Reference substances

Reference substances

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General information

Inventory

EC number:
231-821-4
EC name:
Sodium sulphite
CAS number:
7757-83-7

No inventory information available

Reference substance information

IUPAC name:
disodium sulfite
Synonyms
Names:
Sulfurous acid, disodium salt
Sulfurous acid, disodium salt Sulfurous acid, disodium salt
Sulfurous acid, disodium saltSulfurous acid, disodium salt
sulfurous acid, disodium salt
Identifier:
CAS number
7757-83-7
Identifier:
IUPAC name
Sodium sulphite
Identifier:
IUPAC name
disodium sulfite
Identifier:
IUPAC name
sodium sulphite
Identifier:
other: InChl
1S/2Na.H2O3S/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2
Identifier:
other: Molecular formula
H2O3S.2Na
Identifier:
other: InChl
InChI=1S/2Na.H2O3S/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2
Identifier:
other: Molecular formula
Na2SO3
Identifier:
other: SMILES notation
[Na+].[Na+].[O-]S([O-])=O
Identifier:
other: SMILES notation
[Na]OS([Na])(=O)=O
Identifier:
other: SMILES notation
[O-]S(=O)[O-].[Na+].[Na+]
disodium sulfite

CAS information

CAS number:
7757-83-7

Molecular and structural information

Molecular formula:
NA2SO3
Molecular weight:
126.043
SMILES notation:
[Na+].[Na+].[O-]S(=O)[O-]
InChl:
InChI=1/2Na.H2O3S/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2
Structural formula:
Chemical structure