We supply to over 30 countries worldwide, and hold regular stock of common Rare Earth oxides, metals & compounds. For research and samples, we offer prompt delivery to USA, Japan, Korea and fast delivery for the EU & rest of the world.
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% is widely used in ceramics and crystals, and also as raw material for Lanthanum Metal production. Lanthanum Oxide 99% is also used as a grain growth additive during the liquid phase sintering of Silicon Nitride and Zirconium Diboride.
Product Code: 5797
La2O3/TREO (% min.)
TREO (% min.)
Loss on ignition (% max.)
Rare Earth Impurities
CeO2 Pr6O11 Nd2O3 Sm2O3 Eu2O3 Gd2O3 Y2O3
0.5 0.1 0.1 0.1 0.1 0.1 0.1
0.07 0.05 0.05 0.03 0.04 0.03 0.07
ICP-Atomic Emission Spectrographic
Non-Rare Earth Impurities
Fe2O3 SiO2 CaO CoO NiO CuO MnO2 Cr2O3 CdO PbO
0.02 0.1 0.5
0.01 0.05 0.05
Atomic Absorption Spectrographic
The standard specifications are only for reference, custom specification manufactures are welcomed.
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