Iridium(IV) iodide is a binary inorganic compound of iridium and iodide with the chemical formula .
Properties Iridium tetraiodide forms black crystals, does not dissolve in water and alcohol. In alkali metal iodide solutions, the compound dissolves easily to give a ruby red solution, forming complex salts.
The compound decomposes when heated:
Preparation Iridium(IV) iodide can be obtained by reacting dipotassium hexachloroiridate or hexachloroiridic acid with an aqueous solution of potassium iodide.
Uses Iridium(IV) iodide can be used as a catalyst in organic chemistry.
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