Formula: Eu₂O₃ CAS: 1308-96-9 EC No.: 215-165-6 M (Molar Mass): 351.93 g/mol mp (Melting Point): 2350°C d (Density): 7.42 g/cm³ Solubility: Insoluble in water; soluble in acids

Assay (as Eu₂O₃): ≥ 99.9% Appearance: Pale pink powder Identification (Eu³⁺): Passes test (red fluorescence under UV) Loss on Ignition: ≤ 1.0% Rare Earth Impurities: Samarium (Sm): ≤ 0.05% Gadolinium (Gd): ≤ 0.03% Terbium (Tb): ≤ 0.02% Iron (Fe): ≤ 0.005% Silica (SiO₂): ≤ 0.01% Calcium (Ca): ≤ 0.01% Fluorescence: Strong red emission under UV (613 nm)