Lanthanum Oxide (La2O3)-Powder

Characteristic

Lanthanum oxide, also known as lanthana, chemical formula La₂O₃, is an inorganic compound containing the rare earth element lanthanum and oxygen.

Chemical formula：La₂O₃

Molar mass： 325.809 g/mol

Appearance： White powder, hygroscopic

Density 6.51 g/cm³, solid

Melting point： 2,315 °C (4,199 °F; 2,588 K)

Boiling point： 4,200 °C (7,590 °F; 4,470 K)

Solubility in water：Insoluble

Band gap： 4.3 eV

Magnetic susceptibility (χ)：−78.0·10⁻⁶ cm³/mol

Crystal structure：Hexagonal, hP5

Application

It is used in some ferroelectric materials, as a component of optical materials, and is a feedstock for certain catalysts, among other uses.