Samarium oxide is white with faint yellow powder, which is rare earth oxide. It is insoluble in water, but soluble in acid. Sm2O3 is stable at room temperature and pressure, which absorb CO2 and moist in air.
|CAS No.:12060-58-1||EINECS No.:235-043-6||Molecular Formula:Sm2O3||Molecular Weight:348.72|
|Density:8.347||Melting Point:2269℃||Boiling Point:3790℃||Refractive Index:1.97|
Samarium(III) oxide is mainly for production of samarium metal, Co-Sm series permanent magnet material, electronic parts and ceramic capacitor. It is also additive for glass that absorbing infrared ray and coating of photosensitive material.
In chemical industry, samarium trioxide is also a kind of catalyst.