Structure via PubChem · Public domain (PubChem)
Chemical data
- Formula
- K2O8S2
- Molecular weight
- 270.33 g/mol
- IUPAC name
- dipotassium;sulfonatooxy sulfate
- SMILES
- [O-]S(=O)(=O)OOS(=O)(=O)[O-].[K+].[K+]
- InChIKey
- USHAGKDGDHPEEY-UHFFFAOYSA-L
- Polar surface area
- 150 Ų
- H-bond donors
- 0
- H-bond acceptors
- 8
- Formal charge
- 0
via PubChem
~2 min read
Encyclopedic overview
Potassium persulfate is the inorganic compound with the formula K2S2O8. Also known as potassium peroxydisulfate, it is a white solid that is sparingly soluble in cold water, but dissolves better in warm water. This salt is a powerful oxidant, commonly used to initiate polymerizations.
Structure
Excerpted from Wikipedia’s “potassium persulfate” article, available under the CC BY-SA 4.0 licence.