Tellurium(IV) iodide

Tellurium(IV) iodide, also known as tellurium tetraiodide, is a chemical compound. Its chemical formula is TeI4. It contains tellurium in its +4 oxidation state. It also contains iodide ions. 
Properties.
Tellurium(IV) iodide is a black solid. It breaks down when heated to tellurium(II) iodide and iodine. It is a weak reducing agent. It conducts electricity when melted.
Preparation.
It is made by reacting tellurium with iodine or by reacting tellurium with iodomethane, CH3I.