Bismuth(III) bromide

Bismuth(III) bromide, also known as bismuth tribromide, is a chemical compound. Its chemical formula is BiBr3. It has bismuth and bromide ions. The bismuth is in its +3 oxidation state. 
Properties.
Bismuth(III) bromide is a white to pale yellow solid. It reacts with water to make bismuth oxybromide, BiOBr, which is a solid. It can only dissolve in acidic solutions. 
Preparation.
It is made by reacting bismuth(III) oxide with hydrobromic acid. It can also be made by reacting powdered bismuth with bromine.