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Disodium hydrogen phosphite

Disodium hydrogen phosphite is the name for inorganic compounds with the formula Na2HPO3•(H2O)x. The commonly encountered salt is the pentahydrate.[1] A derivative of phosphorous acid (HP(O)(OH)2), it contains the anion HPO32−. Its common name suggests that it contains an acidic hydrogen atom, as in sodium hydrogen carbonate. However, this name is misleading as the hydrogen atom is not acidic, being bonded to phosphorus rather than oxygen. The salt has reducing properties. It is white or colorless solid, and is little studied.

Disodium hydrogen phosphite
Names
IUPAC name
sodium phosphonate pentahydrate
Other names
Sodium phosphate dibasic pentahydrate,
sodium phosphite
Identifiers
  • anhydrous: 13708-85-5 Y
  • pentahydrate: 13517-23-2 Y
3D model (JSmol)
  • Interactive image
  • anhydrous: Interactive image
ChemSpider
  • 21106436 Y
ECHA InfoCard 100.033.848
  • anhydrous: 16211071
  • pentahydrate: 22463763
UNII
  • anhydrous: X65D416703 Y
  • pentahydrate: UM5UZ43YVE Y
  • DTXSID20889617
  • InChI=1S/2Na.O3P/c;;1-4(2)3/q2*+1;-3/p+1 Y
    Key: XWGAABYWOLJBFF-UHFFFAOYSA-O Y
  • InChI=1/2Na.O3P/c;;1-4(2)3/q2*+1;-3/p+1
    Key: XWGAABYWOLJBFF-IKLDFBCSAK
  • O=P([O-])([O-])[H].[Na+].[Na+]
  • anhydrous: [H+].[Na+].[Na+].[O-]P([O-])[O-]
Properties
HNa2O3P
Molar mass 125.958 g·mol−1
Appearance white solid
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N verify (what is YN ?)

References edit

  1. ^ Brodalla, Dieter; Goeters, Christiane; Kniép, Ruediger; Mootz, Dietrich; Wunderlich, Hartmut (1978). "Zur Kenntnis der Hydrate des Na2PHO3, Phasenbeziehungen und kristallographische Untersuchungen (Hydrates of sodium phosphite, phase relations and crystallographic studies)". Zeitschrift für Anorganische und Allgemeine Chemie. 439: 265–74. doi:10.1002/zaac.19784390132.


disodium, hydrogen, phosphite, name, inorganic, compounds, with, formula, na2hpo3, commonly, encountered, salt, pentahydrate, derivative, phosphorous, acid, contains, anion, hpo32, common, name, suggests, that, contains, acidic, hydrogen, atom, sodium, hydroge. Disodium hydrogen phosphite is the name for inorganic compounds with the formula Na2HPO3 H2O x The commonly encountered salt is the pentahydrate 1 A derivative of phosphorous acid HP O OH 2 it contains the anion HPO32 Its common name suggests that it contains an acidic hydrogen atom as in sodium hydrogen carbonate However this name is misleading as the hydrogen atom is not acidic being bonded to phosphorus rather than oxygen The salt has reducing properties It is white or colorless solid and is little studied Disodium hydrogen phosphite NamesIUPAC name sodium phosphonate pentahydrateOther names Sodium phosphate dibasic pentahydrate sodium phosphiteIdentifiersCAS Number anhydrous 13708 85 5 Ypentahydrate 13517 23 2 Y3D model JSmol Interactive imageanhydrous Interactive imageChemSpider 21106436 YECHA InfoCard 100 033 848PubChem CID anhydrous 16211071pentahydrate 22463763UNII anhydrous X65D416703 Ypentahydrate UM5UZ43YVE YCompTox Dashboard EPA DTXSID20889617InChI InChI 1S 2Na O3P c 1 4 2 3 q2 1 3 p 1 YKey XWGAABYWOLJBFF UHFFFAOYSA O YInChI 1 2Na O3P c 1 4 2 3 q2 1 3 p 1Key XWGAABYWOLJBFF IKLDFBCSAKSMILES O P O O H Na Na anhydrous H Na Na O P O O PropertiesChemical formula H Na 2O 3PMolar mass 125 958 g mol 1Appearance white solidExcept where otherwise noted data are given for materials in their standard state at 25 C 77 F 100 kPa N verify what is Y N Infobox referencesReferences edit Brodalla Dieter Goeters Christiane Kniep Ruediger Mootz Dietrich Wunderlich Hartmut 1978 Zur Kenntnis der Hydrate des Na2PHO3 Phasenbeziehungen und kristallographische Untersuchungen Hydrates of sodium phosphite phase relations and crystallographic studies Zeitschrift fur Anorganische und Allgemeine Chemie 439 265 74 doi 10 1002 zaac 19784390132 nbsp This inorganic compound related article is a stub You can help Wikipedia by expanding it vte Retrieved from https en wikipedia org w index php title Disodium hydrogen phosphite amp oldid 1157840734, wikipedia, wiki, book, books, library,

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