Potassium metabisulfite
Properties
- Molecular formula
- K2O5S2
- 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
Identifiers
CAS number
16731-55-8SMILES
[O-]S(=O)S([O-])(=O)=O.[K+].[K+]InChIKey
TWDUAWOEUFKDNM-UHFFFAOYSA-NInChI
InChI=1S/2K.H2O5S2/c;;1-6(2)7(3,4)5/h;;(H,1,2)(H,3,4,5)Weigh it out
Type any one amount. The others follow from the molar mass and density.
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
Similar compounds
Sodium metabisulfite7681-57-473 % similar
Potassium sulfite10117-38-135 % similar
Potassium sulfate7778-80-535 % similar
Potassium peroxymonosulfate10058-23-832 % similar
Potassium thiosulfate10294-66-331 % similar
Potassium sulfamate13823-50-231 % similar
Potassium tetrathionate13932-13-331 % similar
Potassium bisulfate7646-93-731 % similar
Tanimoto similarity of circular fingerprints over the whole catalogue. All similar compounds