Ytterbium oxide, that ytterbium oxide (Ytterbium oxide) of the formula: Yb2O3; molecular weight: 394.08; Characters: White with slightly green powder, density: 9.17 g / cm3, melting point: 2372 ℃, boiling point: 4070 ℃. Properties: insoluble in water and cold acid, dissolved in warm dilute acid. Application: for thermal barrier coating materials, electronic materials, active device materials, battery materials, bio-pharmaceuticals.