Cerium oxide yellow or brown powder to help. Density 7.13g/cm3. Melting point 2397 ℃. Insoluble in water and alkali, slightly soluble in acid. At 2000 ℃ temperature and pressure 15Mpa, hydrogen reduction to obtain cerium oxide, cerium free at 2000 ℃ temperature, the pressure of 5Mpa stress free in the cerium oxide was reddish yellow, and pink, its performance do polishing materials. Name of Product: cerium oxide Commodity: Cerium oxide Formula: CeO2 CAS No. :12014 -56-1 Appearance: Light yellow powder TREO: ≥ 99% purity: 99% ~ 99.9999% Packing: 50KG / drum or woven bag