Erbium iodide Iodides Holmium iodide Erbium iodide Lutetium iodide Yttrium iodide Scandium iodide Erbium iodide CAS # 13813-42-8 Molecular Formula ErI3 Molecular Weight 547.97 gmol-1 3N (99.9%) 33% 33% 4N (99.99%) 66% 66% 5N (99.999%) 100% 100% Interested in this Product?YesNoGET A QUOTE