Cerium Oxide

Cerium oxide usually appears as a light yellow powder. It is insoluble in water and moderately soluble in strong mineral acids. CeO2 is slightly hygroscopic and will absorb small amounts of moisture and CO2 from the atmosphere.

Molecular Weight (g/mol.) : 172.1142

Apparent Density (g/cm3) : 7.65 g/cm3 as a solid

Specific Gravity : 7.28

Melting Point (°C) : Approx. 2500°

Boiling Point (°C) : 3500 °C

Odor : Odorless

Acute Health Hazard : Yes

Mohs Hardness @ 20 °C : 6

Solubility In Water : Insoluble

Appearance : Light yellow powder

Crystallography : Cubic, face centered