Iridium(III) chloride
（重定向自Iridium trichloride）
![](/Images/godic/202501/21/Aluminium-trichloride-crystal-3D-balls5222.png")
Iridium(III) chloride is the inorganic compound with the formula IrCl3. The anhydrous compound is relatively rare, but the related hydrate is useful for preparing other iridium compounds. The anhydrous salt is a dark green crystalline solid. More commonly encountered is the trihydrate IrCl3(H2O)3.