Iodine dioxide

Iodine dioxide is a binary inorganic compound of iodine and oxygen with the chemical formula. This compound is one of many iodine oxides.

Synthesis
The compound can be prepared by reacting sulphuric acid with iodic acid or by the action of concentrated nitric acid upon dry powedered iodine.

Physical properties
It forms yellow crystalline solid. Reacts with water. Iodine dioxide has an irritating effect, can be found in the wastes from the production of certain pharmaceuticals.