Compound

hydrogenphosphate

Inorganic salts of phosphoric acid.

Definition from MeSH (D010710), National Library of Medicine, read 2026-09-23. NLM revises MeSH; this copy may not reflect its current record.

CHEBI:43474ChEBI

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Structure

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A generated conformer of hydrogenphosphate — one low-energy arrangement PubChem computed, not a measured structure. Hydrogens are not drawn; the formula counts them.

Class: Inorganic compound, anion
Formula: HO4P
Mass: 95.978 g/mol
Charge: -2
InChIKey: NBIIXXVUZAFLBC-UHFFFAOYSA-L
SMILES: O=P([O-])([O-])O
Look it up: ChEBI PubChem By InChIKey

Identity from ChEBI, geometry from PubChem. Not evidence.

Reactions

1,060 reactions

A common cofactor or currency species. Appears in 1,060 reactions — see the full list.

Other names

17 names

Resolves to: hydrogenphosphate

Also called: [P(OH)O3](2-)[P(OH)O3]2−[PO3(OH)](2-)[PO3(OH)]2−HPO4(2-)HPO42−hydrogen phosphateHYDROGENPHOSPHATE IONINORGANIC PHOSPHATE GROUPphosphate
Systematic name: hydrogen(tetraoxidophosphate)(2-)hydrogen(tetraoxidophosphate)(2−)hydrogentetraoxophosphate(2-)hydrogentetraoxophosphate(2−)hydrogentetraoxophosphate(V)hydroxidotrioxidophosphate(2-)hydroxidotrioxidophosphate(2−)