Iridium(IV) iodide is a binary chemical compound of iridium and iodide with the chemical formula .

Synthesis
Iridium(IV) iodide can be obtained by reacting dipotassium hexachloroiridate or hexachloroiridic acid with an aqueous solution of potassium iodide.

Physical properties
Iridium tetraiodide forms black crystals, does not dissolve in water and alcohol.

Chemical properties
The compound decomposes when heated:

Uses
Iridium(IV) iodide can be used as a catalyst in organic chemistry.

References 

Iridium compounds
Iodides
Platinum group halides