Name: cerium oxide, Cerium Oxide, CAS No. 1306-38-3. Properties: Molecular Weight 172.13, yellow or brown powder, density 7.13g/cm3, melting point 2397 ℃. Insoluble in water and alkali, slightly soluble in acid. 15Mpa at 2000 ℃ temperature and pressure, hydrogen reduction can be obtained cerium oxide, cerium. Free at 2000 ℃ room temperature, pressure free in 5Mpa pressure, cerium oxide was yellowish reddish, and pink. Applications: cerium broad range of applications, almost all application areas contain rare earth cerium. Such as polishing powder, hydrogen storage materials, thermoelectric materials, cerium tungsten electrodes, ceramic capacitors, piezoelectric ceramics, silicon carbide abrasive cerium, fuel cell materials, gasoline catalysts, some permanent magnet materials, a variety of alloy steel and non-ferrous metals.