Aluminium compounds: hexaaquoaluminium tribromide

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The aluminium in hexaaquoaluminium tribromide formally is in the oxidation state 3.

Hexaaquoaluminium tribromide

  • Formula as often written: AlBr3.6H2O
  • Hill system formula: Al1Br3H12O6
  • CAS registry number: [7784-11-4]
  • Formula weight: 374.785
  • Class: complex

Synonyms

  • hexaaquoaluminium tribromide
  • aluminium(III) bromide 6-water
  • aluminium bromide 6-water
  • aluminium bromide 6-water
  • aluminum bromide 6-water
  • aluminum bromide 6-water
  • aluminum(III) bromide 6-water
  • hexaaquoaluminum tribromide

Physical properties

  • Colour: pale yellow
  • Appearance: crystalline solid
  • Melting point: 93°C (dehydrates)
  • Boiling point:
  • Density: 2540 kg m-3

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Element analysis

Element percentages for the elements in hexaaquoaluminium tribromide
Element %
Al 7.20
Br 63.96
H 3.23
O 25.61

Synthesis

Not available

Isotope pattern

What follows is the calculated isotope pattern for the AlBr3.6H2O unit with the most intense ion set to 100%.

Formula: Al1Br3H12O6

mass  %
372  34.1 _________________
373 0.1
374 100.0 __________________________________________________
375 0.4
376 98.1 _________________________________________________
377 0.4
378 32.6 ________________
379 0.1
380 0.4

References

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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