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This is an old revision of this page, as edited by Beetstra (talk | contribs) at 12:55, 5 December 2011 (Saving copy of the {{chembox}} taken from revid 454142852 of page Phosphorous_acid for the Chem/Drugbox validation project (updated: '').). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

Revision as of 12:55, 5 December 2011 by Beetstra (talk | contribs) (Saving copy of the {{chembox}} taken from revid 454142852 of page Phosphorous_acid for the Chem/Drugbox validation project (updated: '').)(diff) ← Previous revision | Latest revision (diff) | Newer revision → (diff)
This page contains a copy of the infobox ({{chembox}}) taken from revid 454142852 of page Phosphorous_acid with values updated to verified values.
WikiProject Chemicals/Chembox validation/VerifiedDataSandbox
Wireframe model of phosphorous acid
Wireframe model of phosphorous acid
Ball and stick model of phosphorous acid
Ball and stick model of phosphorous acid
Names
IUPAC name phosphonic acid
Other names Dihydroxyphosphine oxide

Dihydroxy(oxo)-λ-phosphane
Dihydroxy-λ-phosphanone
Orthophosphorous acid
Oxo-λ-phosphanediol

Oxo-λ-phosphonous acid
Identifiers
CAS Number
3D model (JSmol)
ChEBI
ChemSpider
KEGG
RTECS number
  • SZ6400000
InChI
  • InChI=1S/H3O3P/c1-4(2)3/h4H,(H2,1,2,3)Key: ABLZXFCXXLZCGV-UHFFFAOYSA-N
  • InChI=1/H3O3P/c1-4(2)3/h4H,(H2,1,2,3)Key: ABLZXFCXXLZCGV-UHFFFAOYAF
SMILES
  • OP(=O)O
Properties
Chemical formula H3PO3
Molar mass 82.00 g/mol
Appearance white solid
deliquescent
Density 1.651 g/cm (21 °C)
Melting point 73.6 °C (164.5 °F; 346.8 K)
Boiling point 200 °C (decomp)
Solubility in water 310 g/100 mL
Solubility soluble in alcohol
Structure
Molecular shape tetrahedral
Hazards
Occupational safety and health (OHS/OSH):
Main hazards skin irritant
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 2: Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury. E.g. chloroformFlammability 0: Will not burn. E.g. waterInstability 1: Normally stable, but can become unstable at elevated temperatures and pressures. E.g. calciumSpecial hazards (white): no code
2 0 1
Related compounds
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). checkY verify (what is  ?) Infobox references
Tracking categories (test):
Chemical compound