Hexaaquoaluminium tribromide

Aluminium compounds: hexaaquoaluminium tribromide

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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