Potassium metaphosphate

CAS Registry Number®

7790-53-6

CAS Name

Potassium metaphosphate

Molecular Formula

HO3P.K

Cite this Page

Potassium metaphosphate.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=7790-53-6 (retrieved 2024-11-23) (CAS RN: 7790-53-6).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    806 °C

  • Density (2)

    2.48 g/cm³

Source(s)

Other Names and Identifiers

InChI

InChI=1S/K.HO3P/c;1-4(2)3/h;(H,1,2,3)

InChIKey

InChIKey=WYHQWCYKPJHRLP-UHFFFAOYSA-N

SMILES

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

Canonical SMILES

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

Other Names for this Substance

  • Metaphosphoric acid (HPO3), potassium salt (1:1)
  • Potassium metaphosphate (KPO3)
  • Metaphosphoric acid (HPO3), potassium salt
  • Kurrol's salt
  • Potassium phosphate (KPO3)

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Deleted or Replaced CAS Registry Numbers

12764-57-7, 151901-76-7

CAS INSIGHTSTM
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