Phosphonic acid

Phosphonic acid

In inorganic chemistry, phosphonic acid is a phosphorus oxoacid with a formula of H3PO3, more commonly known as phosphorous acid. It exists in solution as two tautomers, the major one being HP(O)(OH)2 and the minor one P(OH)3. The former is sometimes termed "phosphonic acid", with the latter designated as "phosphorous acid". Sometimes confusingly, both these names are also used to refer to H3PO3 in general, i.e. both tautomers.

In organic chemistry, a phosphonic acid is a compound with the general formula RP(O)(OH)2.

An example of an organic phosphonic acid is Foscarnet.

Phosphonic acids can often bond to oxide surfaces, such as glass and metals.

ee also

* Phosphoric acid
* Phosphorous acid
* Hypophosphorous acid
* Phosphinic acid

External links

*
* [http://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=3084169 PubChem]


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  • phosphonic acid — (ˈ)fä|sfänik noun Etymology: phosphonic alteration (influenced by onic) of phosphinic : any of a series of dibasic organic acids RPO(OH)2 [as phenyl phosphonic acid C6H5PO(OH)2] obtainable from monosubstituted phosphines by oxidation compare… …   Useful english dictionary

  • phosphonic acid — fosfono rūgštis statusas T sritis chemija apibrėžtis Fosfito rūgšties tautomeras. formulė HP(=O)(OH)₂ atitikmenys: angl. phosphonic acid rus. фосфоновая кислота …   Chemijos terminų aiškinamasis žodynas

  • phosphonic acid — noun the acid HP(=O)(OH), or any of its P hydrocarbyl derivatives …   Wiktionary

  • phosphonic acid — phos·phon·ic acid .fäs .fän ik n any of a series of dibasic organic acids RPO(OH)2 that are obtainable from some phosphines by oxidation * * * phos·phon·ic ac·id (fos fonґik) the compound HPO(OH)2, or substituted derivatives of the form RPO3H2 …   Medical dictionary

  • Acid anhydride — An acid anhydride is an organic compound that has two acyl groups bound to the same oxygen atom.GoldBookRef|title=acid anhydrides|url=http://goldbook.iupac.org/A00072.html] Most commonly, the acyl groups are derived from the same carboxylic acid …   Wikipedia

  • phosphonic — adjective Of or pertaining to phosphonic acid or its derivatives …   Wiktionary

  • Phosphonic — Phos*phon ic, a. [Phosphoric + sulphonic.] (Chem.) Pertaining to, or designating, certain derivatives of phosphorous acid containing a hydrocarbon radical, and analogous to the sulphonic acid. [1913 Webster] …   The Collaborative International Dictionary of English

  • Phosphorous acid — Chembox new ImageFile = Phosphonic acid 3D balls A.png ImageSize = 150px ImageName = Phosphonic acid ImageFile1 = Phosphonic acid 2D dimensions.png ImageSize1 = 150px ImageName1 = Phosphonic acid IUPACName = phosphonic acid… …   Wikipedia

  • Medronic acid — IUPAC name Methanediylbis(phosphonic acid) …   Wikipedia

  • etidronic acid — noun The phosphonic acid (1 hydroxy 1 phosphono ethyl)phosphonic acid which is used in detergents and pharmaceuticals etc. See Also: etidronate …   Wiktionary

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