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It 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.
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.
Osten, H. J.; Liu, J. P.; Bugiel, E.; Müssig, H. J.; Zaumseil, P. Epitaxial Growth of Praseodymium oxide on Silicon. Mat. Sci. Eng. B-Solid 2001, 87 (3), 297-302.
Qiu, C.; Chen, H.; Xie, Z.; Wong, M.; Kwok, H.S. Praseodymium Oxide Coated Anode for Organic Light-Emitting Diode. Appl. Phys. Lett. 2002, 80 (19), 3485-3487.
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.