Potassium pyrosulfate

K2O7S2CAS 7790-62-7254.31 g/mol

Open in Covalent MOL file
O−SOOOSO−OOK+K+

Properties

Molecular formula
K2O7S2
Molar mass
254.31 g/mol
Exact mass
253.8360 Da
Melting point
335 °C
logP
-2.15Crippen estimate
Polar surface area
118.0 Ų
H-bond donors / acceptors
2 / 5
Rotatable bonds
2

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
7790-62-7
SMILES
[O-]S(=O)(=O)OS([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.

Names and synonyms

9 names
  • Disulfuric acid, potassium salt (1:2)
  • Pyrosulfuric acid, dipotassium salt
  • Disulfuric acid, dipotassium salt
  • Potassium pyrosulfate (K2S2O7)
  • Dipotassium pyrosulfate
  • Potassium disulfate
  • Dipotassium disulfate
  • Potassium sulfate (K2S2O7)
  • Potassium disulfate (K2S2O7)

Work with Potassium pyrosulfate

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 pyrosulfate13870-29-667 % similar Potassium persulfate7727-21-167 % similar Potassium peroxymonosulfate10058-23-857 % similar Potassium monomethylsulfate562-54-957 % similar Sodium persulfate7775-27-143 % 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