Potassium hydroxide

CAS Registry Number®

1310-58-3

CAS Name

Potassium hydroxide

Molecular Formula

HKO

Molecular Mass

56.11

Cite this Page

Potassium hydroxide.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=1310-58-3 (retrieved 2025-07-12) (CAS RN: 1310-58-3).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    1327 °C

  • Melting Point (1)

    380 °C

  • Density (1)

    2.044 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/K.H2O/h;1H2/q+1;/p-1

InChIKey

InChIKey=KWYUFKZDYYNOTN-UHFFFAOYSA-M

SMILES

[K]O

Canonical SMILES

[K]O

Other Names for this Substance

  • Potassium hydroxide (K(OH))
  • Potassium hydroxide
  • Caustic potash
  • Potash
  • Cyantek CC 723

View All

Deleted or Replaced CAS Registry Numbers

29857-72-5, 71769-53-4, 2226392-06-7

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