Cerium oxide 

 Cas No. 1306-38-3 
 Formula CeO2 
 Molecular weight of 172.11 
 Alias ??dioxide, cerium oxide, cerium, cerium oxide 

 Quality standards 
 Appearance of the Appearance Yellow to Tan, powder one 
 X-ray diffraction analysis of the X-Ray Diffraction Conforms to standard 
 Purity Purity ≥ 99.99% Based on Trace Metals, Impurities of by ICP 
 ICP Assay Confirms Cerium component 
 Loss of ignition loss on ignition is typically <1% 
 Trace rare earth impurities in rare earth C. A ≤ 200ppm by ICP Atomic emission 

 Traits pale yellow or brown powder. Insoluble in water and alkali, soluble in hydrochloric acid and sulfuric acid. 
 Density: 7.3 
 Melting point: 2600 ℃ 

 Efficient catalyst of use, precision polishing, chemical additives, electronic ceramics, structural ceramics, UV collecting agent, battery materials.