Dialuminium trisulphide

  • Formula: Al2S3
  • Hill system formula: Al2S3
  • CAS registry number: [1302-81-4]
  • Formula weight: 150.161
  • Class: sulphide
  • Colour: yellow or yellow-grey
  • Appearance: powder
  • Melting point: 100°C
  • Boiling point: sublimes at 1500 under N2
  • Density: 2020 kg m-3

The following are some synonyms of dialuminium trisulphide:

  • dialuminium trisulphide
  • aluminium(III) sulphide
  • aluminium sulfide
  • aluminium sulphide
  • aluminium(III) sulfide
  • aluminum sulfide
  • aluminum sulphide
  • aluminum(III) sulfide
  • aluminum(III) sulphide
  • dialuminium trisulfide
  • dialuminum trisulfide
  • dialuminum trisulphide

The oxidation number of aluminium in dialuminium trisulphide is 3.


Not available

Solid state structure

  • Geometry of aluminium: 4 coordinate: tetrahedral
  • Prototypical structure:
Crystal structure of dialuminium trisulphide.
Crystal structure of dialuminium trisulphide.

Element analysis

The table shows element percentages for Al2S3 (dialuminium trisulphide).

Element %
Al 35.94
S 64.06

Isotope pattern for Al2S3

The chart below shows the calculated isotope pattern for the formula Al2S3 with the most intense ion set to 100%.


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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