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Lanthanum(La)Oxide

Short Description:

Lanthanum Oxide, also known as a highly insoluble thermally stable Lanthanum source, is an inorganic compound containing the rare earth element lanthanum and oxygen. It is suitable for glass, optic and ceramic applications, and used in some ferroelectric materials, and is a feedstock for certain catalysts, among other uses.


Product Detail

Lanthanum Oxide
CAS No.: 1312-81-8
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

High Purity Lanthanum Oxide Specification

Particle Size(D50)  8.23 μm

Purity((La2O3) 99.999%

TREO(Total Rare Earth Oxides) 99.20%

RE Impurities Contents ppm Non-REEs Impurities ppm
CeO2 <1 Fe2O3 <1
Pr6O11 <1 SiO2 13.9
Nd2O3 <1 CaO 3.04
Sm2O3 <1 PbO <3
Eu2O3 <1 CL¯ 30.62
Gd2O3 <1 L.O.I 0.78%
Tb4O7 <1
Dy2O3 <1
Ho2O3 <1
Er2O3 <1
Tm2O3 <1
Yb2O3 <1
Lu2O3 <1
Y2O3 <1

【Packaging】25KG/bag Requirements:moisture proof, dust-free, dry, ventilate and clean.

What is Lanthanum Oxide used for?

As a rare earth element, Lanthanum is used to make carbon arc lights which are used in the motion picture industry for studio lighting and projector lights. Lanthanum Oxide is to be used as a supply of lanthanum. Lanthanum Oxide finds uses in: Optical glasses, La-Ce-Tb phosphors for fluorescent, FCC catalysts. It is suitable for glass, optic and ceramic applications, and used in some ferroelectric materials, and is a feedstock for certain catalysts, among other uses.


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