Iridium tetrabromide

Iridium tetrabromide is a binary inorganic chemical compound of iridium and bromine with the chemical formula IrBr4. This is a salt of iridium metal and hydrobromic acid.

Synthesis
Synthesis of iridium tetrabromide can be by solution of iridium(IV) oxide in hydrobromic acid:


 * IrO2 + 4HBr -> IrBr4 + 2H2O

Physical properties
Iridium tetrabromide compound forms black crystals, soluble in water and alcohol.

Chemical properties
Iridium tetrabromide reacts with water:
 * IrBr4 + 4H2O -> Ir(OH)4 + 4HBr

Iridium tetrabromide decomposes when heated:
 * IrBr4 -> Ir + 2Br2