Potassium metabisulfite

K2S2O5CAS 16731-55-8222.31 g/mol

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Properties

Molecular formula
K2S2O5
Molar mass
222.31 g/mol
Exact mass
221.8461 Da
Density
2.3 g/mL
Melting point
150 °C (decomposes)
logP
-1.75Crippen estimate
Polar surface area
91.7 Ų
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
16731-55-8
SMILES
[O-]S(=O)S([O-])(=O)=O.[K+].[K+]
InChIKey
RWPGFSMJFRPDDP-UHFFFAOYSA-L
InChI
InChI=1S/2K.H2O5S2/c;;1-6(2)7(3,4)5/h;;(H,1,2)(H,3,4,5)/q2*+1;/p-2

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Names and synonyms

12 names
  • Disulfurous acid, potassium salt (1:2)
  • Pyrosulfurous acid, dipotassium salt
  • Potassium pyrosulfite
  • Disulfurous acid, dipotassium salt
  • Potassium metabisulfite (K2S2O5)
  • Dipotassium metabisulfite
  • Potassium pyrosulfite (K2S2O5)
  • Dipotassium pyrosulfite
  • Dipotassium disulfite
  • Potassium disulfite (K2S2O5)
  • E 224
  • Kadifit

Work with Potassium 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

Sodium metabisulfite7681-57-473 % similar Potassium sulfite10117-38-135 % similar Potassium sulfate7778-80-535 % similar Potassium peroxymonosulfate10058-23-832 % similar Potassium alum10043-67-131 % similar Chrome alum10141-00-131 % similar Potassium thiosulfate10294-66-331 % similar Potassium sulfamate13823-50-231 % similar

Tanimoto similarity of circular fingerprints over the whole catalogue.

All similar compounds

Elsewhere

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