Lutetium Oxide, also called Lutecia, is the important raw materials for laser crystals, and also have specialized uses in ceramics, glass, phosphors, lasers. Lutetium Oxide also be used as catalysts in cracking, alkylation, hydrogenation, and polymerization. Formula: Lu2O3 CAS No.: 12032-20-1 Molecular Weight: 397.94 Appearance: White Solubility: Insoluble in water, moderately soluble in strong mineral acids Stability: Slightly hygroscopic Purity: Lu2O3/TREO≥99.999% TREO≥99% LOI≤1% Rare Earth Impurities: CaO≤50ug/g Cl-≤300ug/g Fe2O3≤5ug/g SiO2≤20ug/g