Iodine sulfateÃÂ is an inorganic compound with the formula I<sub>2</sub>(SO<sub>4</sub>)<sub>3</sub>. It appears as light yellow crystals and reacts with water.
Reaction of diiodosyl sulfate and sulfur trioxide:
Iodine sulfate is also produced when elemental , and react.
Iodine sulfate forms light yellow hygroscopic crystals.
Iodine sulfate is soluble in organic liquids and stable in anhydrous and strongly acidic solvents. In a humid environment, it darkens due to decomposition that releases molecular iodine.