Potassium sulfate

K2O4SCAS 7778-80-5174.25 g/mol

O−SO−OOK+K+

Properties

Molecular formula
K2O4S
Molar mass
174.25 g/mol
Exact mass
173.8791 Da
Density
2.66 g/mL
Melting point
1067 °C
Boiling point
1689 °C
logP
-1.41Crippen estimate
Polar surface area
74.6 Ų
H-bond donors / acceptors
2 / 2
Rotatable bonds
0

Hazards

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

Identifiers

CAS number
7778-80-5
SMILES
[O-]S([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

12 names
  • Sulfuric acid potassium salt (1:2)
  • Sulfuric acid dipotassium salt
  • Potassium sulfate (2:1)
  • Arcanum duplicatum
  • Sal polychrestum
  • Tartarus vitriolatus
  • Dipotassium sulfate
  • Potassium sulfate (K2(SO4))
  • Potassium sulphate
  • Potassium sulfate (K2SO4)
  • Sulfuric acid, dipotassium salt
  • Sulfate of potash

Work with Potassium sulfate

Similar compounds

Tanimoto similarity of circular fingerprints over the whole catalogue.

Elsewhere