碘化锡用于制备四氧化锡和二氧化锡。它与氢碘酸反应得到稀有的六碘化锡。它与三苯基膦反应生成四碘联苯三苯基膦锡络合物，在牙膏配方中得到应用。此外，它作为分析试剂，也用于有机合成。 Tin(IV) iodide is used in the preparation of tin(IV) oxide and tin(II) oxide. It reacts with hydroiodic acid to get rare tin hexaiodide. It forms tetraiodobis triphenylphosphine tin complexes by reacting with triphenylphosphine, which finds application in toothpaste formulation. Further, it acts as analytical reagents and also used in organic synthesis.