Yttrium oxide Oxides Lanthanum Cerium Praseodymium (Pr) Neodymium (Nd) Samarium Europium Gadolinium Terbium (Tb) Dysprosium Holmium Erbium Thulium Ytterbium Lutetium Scandium Yttrium Yttrium oxide CAS # 1314-36-9 Molecular Formula Y2O3 Molecular Weight 225.81 gmol-1 3N (99.9%) 33% 33% 4N (99.99%) 66% 66% 5N (99.999%) 100% 100% Interested in this Product?YesNoGET A QUOTE