Cerium oxide / nano cerium oxide 
 Cerium oxide, 

 Cas No. [1306-38-3] the MDL: - MFCD00010933 
 The Beilstein EINECS: - 215-150-4 
 Formula CeO2 
 Molecular weight of 172.11 
 Alias ??dioxide, cerium oxide, cerium, cerium oxide 
 Ceric oxide, 
 Ceric oxide, ceria 
 Molecular Structure 
 Traits pale yellow or brown powder. Insoluble in water and alkali, soluble in hydrochloric acid and sulfuric acid. 
 Density: 7.3 
 Melting point: 2600 ℃ 

 Note: The above description is for reference only, does not mean that you receive the product with this description exactly matches the standard of products manufactured, see the quality standards. 
 Quality standards 
 99.95% metals basis, <50 nm, the particle size (BET): 


 Appearance Appearance nanopowder 
 X-ray diffraction analysis of the X-Ray Diffraction Conforms to standard 
 Purity Purity ≥ 99.95% Based on Trace Metals, Impurities of by ICP 
 Particle size Particle size <50 nm (BET) 
 surface area the spec. surface area 30 m2 / g (BET) 
 density 7.13 g / mL, 25 ° C 
 the bulk density 0.53 g/cm3, 
 Trace metal analysis of the total metallic C. A ≤ 500ppm by by ICP Atomic emission 


 99.95% metals basis, <100 nm (BET) 

 Appearance Appearance nanopowder 
 X-ray diffraction analysis of the X-Ray Diffraction Conforms to standard 
 Purity Purity ≥ 99.95% Based on the Trace Metals, 
 Particle size Particle size <100 nm (BET) 
 Trace metal analysis of the total metallic C. A ≤ 500ppm by by ICP Atomic emission 



 99.99% metals basis: 


 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 



 20nm spherical, 99.5% 

 Appearance Appearance nanopowder 
 X-ray diffraction analysis of the X-Ray Diffraction Conforms to standard 
 Trace metal analysis of the total metallic C. A ≤ 5000ppm by by ICP Atomic emission 
 Purity Purity ≥ 99.5% Based on the Trace Metals, 
 Particle size Particle size <20 nm (BET) 

 Storage sealed save. 
 Efficient catalyst of use, precision polishing, chemical additives, electronic ceramics, structural ceramics, UV collecting agent, battery materials. 
 UN number 
 Risk: R22- 
 Safety: S24/25- 
 Hazard: Xn