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  • 12037-29-5
  • Pr6O11
  • 99.5%-99.99%
  • 3-12mm
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  • 234-857-9



Praseodymium (III,IV) oxide is the inorganic compound with the formula Pr6O11 that is insoluble in water. It has a cubic fluorite structure.

Chemical formula:Pr6O11

Molar mass: 1021.44 g/mol

Appearance: dark brown powder

Density: 6.5 g/mL

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

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


Praseodymium(III, IV) oxide is used in pigment in glass, optic and ceramic industries. Praseodymium-doped glass, called didymium glass is used in welding, blacksmithing, and glass-blowing goggles due to its blocking property of infrared radiation. It is employed in the solid state synthesis of praseodymium molybdenum oxide, which is used as a semiconductor.