White phosphorus exposed to

Phosphorus oxide formula

Tetraphosphorus decaoxide is known by the following synonyms:

  • tetraphosphorus decaoxide
  • phosphorus(V) oxide
  • diphosphorus pentaoxide
  • phosphorus oxide
  • phosphorus pentaoxide
  • phosphorus pentaoxide (dimer)

The oxidation number of phosphorus in tetraphosphorus decaoxide is 5.

  • Formula: P4O10
  • Hill system formula: O10P4
  • CAS registry number: [16752-60-6]
  • Formula weight: 283.889
  • Class: oxide
  • Colour: white
  • Appearance: crystalline solid
  • Melting point: 422°C; 562°C
  • Boiling point: 605°C
  • Density: 2300 kg m-3


Not available

Element analysis

Element percentages in tetraphosphorus decaoxide

Isotope pattern for P4O10

THe chart below shows the calculated isotope pattern for the formula P4O10 with the most intense ion set to 100%.


Coming soon...


The data on these compounds pages are assembled and adapted from the primary literature and several other sources including the following.

  • R.T. Sanderson in Chemical Periodicity, Reinhold, New York, USA, 1960.
  • N.N. Greenwood and A. Earnshaw in, 2nd edition, Butterworth, UK, 1997.
  • F.A. Cotton, G. Wilkinson, C.A. Murillo, and M. Bochmann, in, John Wiley & Sons, 1999.
  • A.F. Trotman-Dickenson, (ed.) in Comprehensive Inorganic Chemistry, Pergamon, Oxford, UK, 1973.
  • R.W.G. Wyckoff, in Crystal Structures, volume 1, Interscience, John Wiley & Sons, 1963.
  • A.R.West in, John Wiley & Sons, 1999.
  • A.F. Wells in Structural inorganic chemistry, 4th edition, Oxford, UK, 1975.
  • J.D.H. Donnay, (ed.) in Crystal data determinative tables, ACA monograph number 5, American Crystallographic Association, USA, 1963.
  • D.R. Lide, (ed.) in, CRC Press, Boca Raton, Florida, USA, 77th edition, 1996.
  • J.W. Mellor in A comprehensive treatise on inorganic and theoretical chemistry, volumes 1-16, Longmans, London, UK, 1922-1937.
  • J.E. Macintyre (ed.) in Dictionary of inorganic compounds, volumes 1-3, Chapman & Hall, London, UK, 1992.
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