Lead compounds: dilead trioxide

lead symbol icon

The lead in dilead trioxide formally is in the oxidation state 2, 4.

Dilead trioxide

  • Formula as often written: Pb2O3
  • Hill system formula: O3Pb2
  • CAS registry number: [1314-27-8]
  • Formula weight: 462.398
  • Class: oxide


  • dilead trioxide
  • lead (II, IV) oxide
  • lead oxide

Physical properties

  • Colour: black
  • Appearance: crystalline solid
  • Melting point: 530°C (decomposes to Pb3O4)
  • Boiling point:
  • Density: 10000 kg m-3


Coming soon...

Element analysis

Element percentages for the elements in dilead trioxide
Element %
O 10.38
Pb 89.62


Not available

Isotope pattern

What follows is the calculated isotope pattern for the Pb2O3 unit with the most intense ion set to 100%.

Formula: Pb2O3

mass  %
456   0.1 
457 0.0
458 2.2 _
459 2.1 _
460 24.1 ____________
461 35.3 __________________
462 100.0 __________________________________________________
463 77.0 ______________________________________
464 91.6 ______________________________________________
465 0.6
466 0.6


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 Chemistry of the Elements, 2nd edition, Butterworth, UK, 1997.
  • F.A. Cotton, G. Wilkinson, C.A. Murillo, and M. Bochmann, in Advanced Inorganic Chemistry, 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 Basic solid state chemistry Chemistry, 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 Chemical Rubber Company handbook of chemistry and physics, 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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