Ytterbium Oxide, also called Ytterbia, is being applied to numerous fiber amplifier and fiber optic technologies, High purity Ytterbium Oxide are widely applied as a doping agent for garnet crystals in lasers a important colourant in glasses and porcelain enamel glazes. Formula: Yb2O3 CAS No.: 1314-37-0 Molecular Weight: 394.08 Appearance: White Solubility: Insoluble in water, moderately soluble in strong mineral acids Stability: Slightly hygroscopic Purity: Yb2O3/TREO≥ 99.9%