Praseodymium Oxide (III) (Pr2O3)-Lump

Characteristic

 

Praseodymium(III) oxide, praseodymium oxide or praseodymia is the chemical compound composed of praseodymium and oxygen with the formula Pr2O3. It forms white hexagonal crystals.




Chemical formula：Pr2O3

Molar mass： 329.813 g/mol

Appearance： white hexagonal crystals

Density： 6.9 g/cm3

Melting point： 2,183 °C (3,961 °F; 2,456 K)

Boiling point： 3,760 °C (6,800 °F; 4,030 K)

Magnetic susceptibility (χ)：+8994.0·10−6 cm3/mol

Crystal structure：Hexagonal, hP5

 


Application

 

Praseodymium(III) oxide is used as a pigment in glass, optic and ceramic industries. Praseodymium-doped glass called didymium glass is used in welding goggles, since it blocks infra-red radiation. Further, it is used as a dielectric in combination with silicon.