Potassium bisulfate

CAS Registry Number®

7646-93-7
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CAS Name

Potassium bisulfate

Molecular Formula

H2O4S.K

Cite this Page

Potassium bisulfate.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/ChemicalDetail.aspx?ref=7646-93-7 (retrieved 2021-09-25) (CAS RN: 7646-93-7).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    197 °C
  • Density (1)

    2.24 g/cm3

Source(s)

  • (1) Drugs - Synonyms and Properties data were obtained from Ashgate Publishing Co. (US)

Other Names and Identifiers

InChI

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

InChIKey

InChIKey=ILRLTAZWFOQHRT-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 (1:1)
  • Sulfuric acid, monopotassium salt
  • Potassium acid sulfate
  • Potassium bisulfate
  • Potassium hydrogen sulfate

Deleted or Replaced CAS Registry Numbers

2253985-05-4