Registration Dossier
Registration Dossier
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EC number: 231-673-0 | CAS number: 7681-57-4
Reference substances
- IUPAC name:
- disodium disulphite
Inventory
- EC number:
- 231-673-0
- EC name:
- Disodium disulphite
- CAS number:
- 7681-57-4
- CAS number:
- 7681-57-4
Synonyms
- Names:
- Disulfurous acid, disodium salt
- E 223 Disodium disulphite Disodium disulfite Disodium metabisulfite Disodium pyrosulfite Natrium metabisulfurosum Natriummetabisulfit Sodium disulfite Sodium pyrosulfite Sodu disiarczyn Disiarczan (IV) sodu
- sodium metabisulfite
- Identifier:
- IUPAC name
- Disodium disulphite
- Identifier:
- IUPAC name
- Sodium metabisulfite
- Identifier:
- IUPAC name
- Sodium metabisulphite
- Identifier:
- IUPAC name
- disodium disulfite
- Identifier:
- IUPAC name
- sodium metabisulfite
- Identifier:
- other: InChl
- 1S/2Na.H2O5S2/c;;1-6(2)7(3,4)5/h;;(H,1,2)(H,3,4,5)/q2*+1;/p-2
- Identifier:
- other: Molecular formula
- H2O5S2.2Na
- Identifier:
- other: InChl
- InChI=1S/2Na.H2O5S2/c;;1-6(2)7(3,4)5/h;;(H,1,2)(H,3,4,5)/q2*+1;/p-2
- Identifier:
- other: Molecular formula
- Na2O5S2
- Identifier:
- other: SMILES notation
- S(=O)(=O)([O-])S(=O)[O-].[Na+].[Na+]
- Identifier:
- other: Other name
- Sodium metabisulphite
- Identifier:
- other: SMILES notation
- [Na+].[Na+].[O-]S(=O)OS(=O)[O-]
- Identifier:
- other: SMILES notation
- [Na+].[Na+].[O-]S(=O)S(=O)(=O)[O-]
- Identifier:
- other: SMILES notation
- [Na+].[Na+].[O-]S(=O)[O-].[O-]S(=O)[O-]
- Identifier:
- other: SMILES notation
- [O-]S(S([O-])=O)(=O)=O.[Na+].[Na]
Molecular and structural information
- Molecular formula:
- Na2S2O5
- Molecular weight:
- 190.1
- SMILES notation:
- [Na+].[Na+].S(S(=O)(=O)[O-])([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:
Related substances
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