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Chemical substance record

Periodate

15056-35-6IO4190.9 g/mol

A monovalent inorganic anion obtained by deprotonation of periodic acid. — ChEBI

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Identity & molecular properties

Source-linked values
CAS number15056-35-6ChEBI ↗
Molecular formulaIO4ChEBI ↗
Molar mass190.9 g/molChEBI ↗
Monoisotopic mass190.88468 DaChEBI ↗
Formal charge-1ChEBI ↗
ChEBI identifierCHEBI:49826ChEBI ↗

Cross-source molecular data

PubChem
Molar mass190.902 g/molPubChem ↗
Exact mass190.88413 DaPubChem ↗

PubChem computed values are shown separately from the ChEBI record. An exact InChIKey match was used to connect the records. Molecular descriptors do not describe a supplied product’s purity, particle size or performance.

Names & structural identifiers

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periodate
periodate
KHIWWQKSHDUIBK-UHFFFAOYSA-M
O=I(=O)(=O)[O-]
InChI=1S/HIO4/c2-1(3,4)5/h(H,2,3,4,5)/p-1

Names & synonyms

tetraoxidoiodate(1-)tetraoxoiodate(1-)tetraoxoiodate(VII)

Names are supplied by ChEBI. Trade names and related synonyms may describe a broader product context.

Classification & relationships

ChEBI ontology

Mass ↔ amount of substance

Calculated from sourced mass
Equivalent amount
0.00523834 mol

Uses 190.9 g/mol from ChEBI. Assumes the substance described by this record; no purity or concentration correction is applied.

Elemental composition

Theoretical mass fractions
I
Iodine · 1 atom
66.48%
O
Oxygen · 4 atoms
33.52%

Calculated theoretical mass fractions from the reported formula and PubChem periodic-table atomic masses. These are not assay or purity results.

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Sources & record history

Checked 27 Sep 2026
EMBL-EBI ChEBI · CHEBI:49826

Release 255, 9 September 2026. ChEBI three-star (manually annotated) source entry. View original record ↗ · CC BY 4.0

NCBI PubChem · CID 167232 · retrieved 2026-09-27

PubCAS formats source data, connects references and computes explicitly labelled conversions. CAS cross-references are supplied by ChEBI; they do not constitute CAS verification or endorsement.