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Formula: La2O3 CAS No.: 1312-81-8 Molecular Weight: 325.82 Density: 6.51 g/cm3 Melting point: 2315°C Appearance: White powder Solubility: Insoluble in water, moderately soluble in strong mineral acids Stability: Strongly hygroscopic Multilingual: LanthanOxid, Oxyde De Lanthane, Oxido De Lanthano
Lanthanum Oxide 99.9999% is applied in making special optical glasses to improves the alkali resistance of glass, and is used in La-Ce-Tb phosphors for fluorescent lamps and making special optical glasses, such as infrared-absorbing glass, as well as camera and telescope lenses. It is also used for electronic industry.
Product Code: 5790
La2O3/TREO (% min.)
TREO (% min.)
Loss on ignition (% max.)
Rare Earth Impurities
CeO2 Pr6O11 Nd2O3 Sm2O3 Eu2O3 Gd2O3 Y2O3
0.5 0.5 0.5 0.2 0.2 0.2 0.5
0.3 0.2 0.1 0.1 0.1 0.1 0.2
ICP-Atomic Emission Spectrographic
Non-Rare Earth Impurities
Fe2O3 SiO2 CaO CoO NiO CuO MnO2 Cr2O3 CdO PbO
1 10 10 2 2 2 2 2 5 5
1 5 5 2 2 2 2 2 5 5
Atomic Absorption Spectrographic
The standard specifications are only for reference, custom specification manufactures are welcomed.
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