Phosphite anion
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For phosphites of the type P(OR)3, see Phosphite ester.
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.
Quick Facts Names, Identifiers ...
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Names | |||
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IUPAC name
Phosphonate | |||
Systematic IUPAC name
Phosphite[1] | |||
Identifiers | |||
3D model (JSmol) |
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ChEBI | |||
ChEMBL | |||
ChemSpider |
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68617 | |||
MeSH | Phosphorite | ||
PubChem CID |
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CompTox Dashboard (EPA) |
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Properties | |||
HPO2− 3 | |||
Molar mass | 79.9810 g mol−1 | ||
Related compounds | |||
Other anions |
Phosphinite | ||
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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