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11235 Praseodymium(III, IV) oxide, REacton®, 99.99% (REO)

CAS Number

Stock No. Size Price ($) Quantity Availability
11235-14 25g 193.00
11235-22 100g 690.00
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Praseodymium(III, IV) oxide, REacton®, 99.99% (REO)


Chemical Properties

Formula Weight
Melting point
Storage & Sensitivity
Ambient temperatures.
Insoluble in water. Moderately soluble in strong mineral acids.


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.


Hygroscopic and air sensitive. Incompatible with strong oxidizing agents.

Literature References

Olegário, R. C.; de Souza, E. C. F.; Borges, J. F. M.; da Cunha, J. B. M.; de Andrade, A. V. C.; Antunes, S. R. M.; Antunes, A. C. Synthesis and characterization of CeO2·alpha-Fe2O3 and CeO2·Pr6O11 ceramic pigments through the solid state reaction and modified sol-gel method. Dyes Pigm. 2014, 106, 14-19.

Rao, R.; Bhagat, R. K.; Salke, N. P.; Kumar, A. Raman Spectroscopic Investigation of Thorium Dioxide-Uranium Dioxide (ThO 2-UO 2) Fuel Materials. Appl. Spectrosc. 2014, 68 (1), 44-48.

Cavalcante, L. S.; Batista, F. M. C.; Almeida, M. A. P.; Rabelo, A. C.; Nogueira, I. C.; Batista, N. C.; Santos, M. R. M. C.; Longo, E.; Li, M. S. Structural refinement, growth process, photoluminescence and photocatalytic properties of (Ba 1-x Pr2x/3) WO4 crystals synthesized by the coprecipitation method. RSC Adv. 2012, 2 (16), 6438-6454.

GHS Hazard and Precautionary Statements

Hazard Statements: H319-H335

Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements: P261-P280i-P305+P351+P338-P304+P340-P405-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear eye/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Harmonized Tariff Code


  • 10819

    Nickel(II) oxide, Puratronic®, 99.998% (metals basis)
  • 11230

    Samarium(III) oxide, REacton®, 99.99% (REO)
  • 11250

    Neodymium(III) oxide, REacton®, 99.99% (REO)
  • 11327

    Cerium(IV) oxide, REacton®, 99.99% (REO)
  • 11336

    Tantalum(V) oxide, 99.85% (metals basis)

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