Potassium persulfate

K2O8S2CAS 7727-21-1270.31 g/mol

Open in Covalent MOL file
O−SOOOOSO−OOK+K+
Peroxide

Properties

Molecular formula
K2O8S2
Molar mass
270.31 g/mol
Exact mass
269.8309 Da
Density
2.48 g/mL
logP
-2.22Crippen estimate
Polar surface area
127.2 Ų
H-bond donors / acceptors
2 / 6
Rotatable bonds
3

Hazards

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

Search the SDS library

Identifiers

CAS number
7727-21-1
SMILES
[O-]S(=O)(=O)OOS([O-])(=O)=O.[K+].[K+]
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.

Weigh it out

Type any one amount. The others follow from the molar mass and density.

Names and synonyms

13 names · show all
  • Peroxydisulfuric acid ([(HO)S(O)2]2O2), potassium salt (1:2)
  • Peroxydisulfuric acid ([(HO)S(O)2]2O2), dipotassium salt
  • Anthion
  • Dipotassium peroxydisulfate
  • Potassium peroxydisulfate
  • Potassium peroxydisulfate (K2(S2O8))
  • Dipotassium persulfate
  • Potassium peroxydisulphate
  • Dipotassium peroxodisulfate
  • Virkon S
  • Potassium dipersulfate
  • F 210 Hygisept
  • K2S2O8

Work with Potassium persulfate

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 persulfate7775-27-167 % similar Potassium pyrosulfate7790-62-767 % similar Potassium peroxymonosulfate10058-23-857 % similar Potassium monomethylsulfate562-54-957 % similar Sodium pyrosulfate13870-29-643 % similar Potassium sulfate7778-80-542 % similar Sodium methyl sulfate512-42-538 % similar Potassium alum10043-67-136 % similar

Tanimoto similarity of circular fingerprints over the whole catalogue.

All similar compounds

Elsewhere

PubChem CAS Common Chemistry NIST WebBook Wikipedia