Potassium periodate

CAS Registry Number®

7790-21-8

CAS Name

Potassium periodate

Molecular Formula

HIO4.K

Molecular Mass

231.01

Cite this Page

Potassium periodate.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=7790-21-8 (retrieved 2025-03-28) (CAS RN: 7790-21-8).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Density (1)

    3.62 g/cm³ (solid)

Source(s)

Other Names and Identifiers

InChI

InChI=1S/HIO4.K/c2-1(3,4)5;/h(H,2,3,4,5);

InChIKey

InChIKey=MFSVDLVJNJLACW-UHFFFAOYSA-N

SMILES

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

Canonical SMILES

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

Other Names for this Substance

  • Periodic acid (HIO4), potassium salt (1:1)
  • Potassium periodate (KIO4)
  • Periodic acid (HIO4), potassium salt
  • Potassium metaperiodate
  • Potassium iodate (KIO4)

View All

Deleted or Replaced CAS Registry Numbers

11128-53-3, 26139-25-3

CAS INSIGHTSTM
A hexagon honeycomb pattern featuring icons representing Data Fabric Analytics, Antennas, Construction, DNA, and Sustainability Bamboo. Each hexagon contains a distinct symbol related to its theme, arranged in a visually appealing and interconnected design.