Lanthanum oxide 

 Cas No. 1312-81-8 
 Formula La2O3 
 Molecular weight of 325.84 

 Quality standards 
 Appearance of the Appearance White, the Powder 
 X-ray diffraction analysis of the X-Ray Diffraction Conforms to standard 
 Purity Purity ≥ 99.99% Based on Trace Metals, Impurities of by ICP 
 La 84.0 - 86.5% (Complexiometric EDTA), 
 ICP: Confirms Lanthanum Component Confirmed 
 Trace metal analysis of the total metallic C. A ≤ 200ppm by by ICP Atomic emission 

 The Traits white amorphous powder. Moisture absorption, can easily absorb moisture. Able to absorb the moisture in the air and carbon dioxide, should be placed in a sealed container. Soluble in mineral acids to form salts, insoluble in water. Irritation. 
 Relative density: 6.51 
 Melting point: 2000 ℃ above 
 Boiling point: 4200 ℃ 
 Storage of sealed dry preservation. 
 The purpose is mainly used for manufacturing cameras, microscopes, for all kinds of optical glass components, as well as fiber optics, to improve the refractive nature. Also have some use in the electronic ceramics industry, as well as catalyst preparation. LAMOX fast ion conductors and superconductors precursors.