Lanthanum metal Metals Lanthanum metal Cerium metal Praseodymium metal Neodymium metal Samarium metal Europium metal Gadolinium metal Terbium metal Dysprosium metal Holmium metal Erbium metal Thulium metal Ytterbium metal Lutetium metal Scandium metal Yttrium metal Lanthanum metal CAS # 7439-91-0 Molecular Formula La Molecular Weight 138.91 gmol-1 3N (99.9%) 33% 33% 4N (99.99%) 66% 66% 5N (99.999%) 100% 100% Interested in this Product?YesNoGET A QUOTE