99.99% Lanthanum oxide CAS 1312-81-8

Short Description:

Chemical name: Lanthanum oxide
Other name: Lanthanum(III) oxide, Lanthanum(3+) oxide, Lanthanum trioxide, Dilanthanum trioxide
CAS No.: 1312-81-8
Purity: 99.99%
Molecular Formula: La2O3
Molecular Weight: 325.81
Chemical Properties: Lanthanum oxide is a white powder, insoluble in water, soluble in inorganic acid, and easily deliquescent, so it should be placed in a sealer. It is mainly used in the manufacture of various optical glass components and optical fibers, and is also commonly used in ceramics, catalysts, etc.

Send email to us

Product Detail

Product Tags

Specification

Lanthanum oxide	3N	4N	4.5N
TREO%	≥98	≥99	≥99
La purity and relative rare earth impurities
La2O3/TREO %	≥99.9	≥99.99	≥99.995
CeO2/TREO %	≤0.05	≤0.007	≤0.004
Pr6O11/TREO %	≤0.01	≤0.001	≤0.0005
Nd2O3/TREO %	≤0.01	≤0.001	≤0.0005
Sm2O3/TREO %	≤0.01	≤0.001	≤0.0005
Y2O3/TREO %	≤0.01	≤0.001	≤0.0005
Non rare earth impurity
Fe2O3 %	≤0.01	≤0.005	≤0.005
SiO2 %	≤0.02	≤0.015	≤0.01
CaO %	≤0.08	≤0.05	≤0.03
Na %	≤0.02	≤0.01	≤0.01
MnO2 %	≤0.01	≤0.005	≤0.005
AL2O3 %	≤0.01	≤0.007	≤0.005
PbO %	≤0.01	≤0.005	≤0.003
Cl^- %	≤0.08	≤0.06	≤0.05
Radioactive	1Bq/g
L.O.I (1000℃ 2h)	≤ 3.0	≤ 2.0	≤2.0

Application

Lanthanum oxide is mainly used in the manufacture of precision optical glass and optical fibers. Also used in the electronics industry as ceramic capacitors, piezoelectric ceramic doping agent. It is also used as a raw material for the preparation of lanthanum boride, and as a catalyst for petroleum separation and purification.