Phosphite anion

Phosphite anion
Names
IUPAC name
Phosphonate
Systematic IUPAC name
Phosphite[1]
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
1618
MeSH Phosphorite
  • InChI=1S/O3P/c1-4(2)3/q-3 ☒N
    Key: AQSJGOWTSHOLKH-UHFFFAOYSA-N ☒N
  • hypervalent form: P([O-])([O-])=O
  • ionic form: [H][P+]([O-])([O-])[O-]
Properties
HPO2−
3
Molar mass 79.9810 g mol−1
Related compounds
Other anions
Phosphinite

Phosphonite

Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
☒N verify (what is checkY☒N ?)

A phosphite anion or phosphite in inorganic chemistry usually refers to [HPO3]2− but includes [H2PO3] ([HPO2(OH)]). These anions are the conjugate bases of phosphorous acid (H3PO3). The corresponding salts, e.g. sodium phosphite (Na2HPO3) are reducing in character.

  1. ^ "Phosphorite - PubChem Public Chemical Database". The PubChem Project. USA: National Center for Biotechnology Information.