Potassium sulfate

CAS Registry Number®

7778-80-5
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CAS Name

Potassium sulfate

Molecular Formula

H2O4S.2K

Cite this Page

Potassium sulfate.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/ChemicalDetail.aspx?ref=7778-80-5 (retrieved 2021-09-20) (CAS RN: 7778-80-5).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    1689 °C
  • Melting Point (1)

    1067 °C
  • Density (1)

    2.66 g/cm3

Source(s)

  • (1) Hazardous Substances Data Bank data were obtained from the National Library of Medicine (US)

Other Names and Identifiers

InChI

InChI=1S/2K.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)

InChIKey

InChIKey=RELBRYJDPFWCIM-UHFFFAOYSA-N

SMILES

S(=O)(=O)(O)O.[K]

Canonical SMILES

[K].O=S(=O)(O)O

Other Names for this Substance

  • Sulfuric acid potassium salt (1:2)
  • Sulfuric acid dipotassium salt
  • Potassium sulfate (2:1)
  • Arcanum duplicatum
  • Potassium sulfate