Europium(III) oxide, ROTI®METIC 99,995 % (4N5), Molar mass (M) 351,92 g/mol, Density (D) 7,42 g/cm³, Boiling point (bp) 4118 °C, CAS No. [1308-96-9], EG-Nr. 215-165-6, Empirical formula Eu2O3