Erbium chloride Chlorides Praseodymium chloride Neodymium chloride Europium chloride Gadolinium chloride Holmium chloride Erbium chloride Thulium chloride Lutetium chloride Scandium chloride Erbium chloride CAS # 10025-75-9 Molecular Formula ErCl3 • 6H2O Molecular Weight 381.71 gmol-1 3N (99.9%) 33% 33% 4N (99.99%) 66% 66% 5N (99.999%) 100% 100% Interested in this Product?YesNoGET A QUOTE