Sodium metabisulfite

Na₂O₅S₂CAS 7681-57-4190.09 g/mol

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Properties

Molecular formula: Na₂O₅S₂
Molar mass: 190.09 g/mol
Exact mass: 189.8983 Da
Density: 1.4 g/mL
Melting point: 150 °C (decomposes)
logP: -1.75Crippen estimate
Polar surface area: 91.7 Å²
H-bond donors / acceptors: 2 / 3
Rotatable bonds: 1

Hazards

No GHS classification is on file for this compound. That is not evidence that it is harmless.

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Identifiers

CAS number

7681-57-4

SMILES

[O-]S(=O)S([O-])(=O)=O.[Na+].[Na+]

InChI

The InChI we hold for this record describes the parent acid and the metal separately rather than the salt above, so it is not shown here.

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Names and synonyms

20 names · show all

Sobisu
Disulfurous acid, sodium salt (1:2)
Pyrosulfurous acid, disodium salt
Disulfurous acid, disodium salt
Sodium pyrosulfite (Na2S2O5)
Sodium pyrosulfite
Sodium metabisulfite (Na2S2O5)
Disodium pyrosulfite
Fertisilo
Disodium disulfite
Sodium disulfite (Na2S2O5)
Disodium metabisulfite
Disodium pyrosulfite (Na2S2O5)
Campden tablets
Colorstrip catalyst 100
E 223
Sobis
Sodium sulfur oxide (Na2S2O5)
NSC 158277
NSC 227243

Work with Sodium metabisulfite

Predict the NMR spectrum1H and 13C shifts with multiplicities Make a solutionWhat to weigh for any molarity and volume Check drug-likenessLipinski, Veber and lead-likeness Isotope patternExact mass and the mass spectrum pattern

Similar compounds

Potassium metabisulfite16731-55-873 % similar Sodium sulfate7757-82-635 % similar Sodium sulfite7757-83-735 % similar Sodium dithionite7775-14-635 % similar Sodium sulfite heptahydrate10102-15-531 % similar Sodium sulfamate13845-18-631 % similar Sodium pyrosulfate13870-29-631 % similar Sulfuric acid, sodium salt15124-09-131 % similar

Tanimoto similarity of circular fingerprints over the whole catalogue.

All similar compounds

Elsewhere

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