Terbium iodide Iodides Holmium iodide Erbium iodide Lutetium iodide Yttrium iodide Scandium iodide Terbium iodide CAS # 13813-40-6 Molecular Formula TbI3 Molecular Weight 539.64 gmol-1 3N (99.9%) 33% 33% 4N (99.99%) 66% 66% 5N (99.999%) 100% 100% Interested in this Product?YesNoGET A QUOTE