Characteristic

Aluminium bromide is any chemical compound with the empirical formula AlBrx. Aluminium tribromide is the most common form of aluminium bromide.

Chemical formula：AlBr₃   Al₂Br₆    AlBr₃·6H₂O (hexahydrate)

Molar mass：266.694 g/mol (anhydrous)

                       374.785 g/mol (hexahydrate)

Appearance：white to pale yellow powder

Odor：pungent

Density：3.2 g/cm³ (anhydrous)

                2.54 g/cm³ (hexahydrate)

Melting point：97.5 °C (anhydrous)

                          93 °C (hexahydrate)

Boiling point：255 (anhydrous)

Solubility in water：very soluble, partially hydrolyses indicated by a fuming solution 

                                 and an optional appearance of white precipitate

Solubility：slightly soluble in methanol, diethyl ether, acetone

Crystal structure：Monoclinic, mP16 (anhydrous)

Application

Aluminum bromide can be used in the manufacture of flame retardants.