Lutetium iodate is an inorganic compound with the chemical formula Lu(IO3)3. It exists in two anhydrous forms, α-form and β-form, as well as dihydrate and tetrahydrate. It can be produced by the reaction of lutetium nitrate and iodic acid[2] or potassium iodate.[1] It decomposes when heated to generate lutetium oxide.[3]