12037-29-5

Basic information

• Product Name: Praseodymium oxide
• Synonyms: Praseodymium(III, IV) oxide, REacton, 99.996% (REO);Praseodymium(III, IV) oxide, REacton, 99.9% (REO);Praseodymium(III, IV) oxide, REacton, 99.99% (REO);PRASEODYMIUM(III,IV) OXIDE;PRASEODYMIUM(III) OXIDE;PRASEODYMIUM OXIDE;PRASEODYMIUM OXIDE BROWN;PRASEODYMIUM OXIDE GREEN
• CAS NO: 12037-29-5
• Molecular Formula: O3Pr2
• Molecular Weight: 329.81
• EINECS: 234-857-9
• Product Categories: Rare earth;PraseodymiumMetal and Ceramic Science;Catalysis and Inorganic Chemistry;Chemical Synthesis;Oxides;Praseodymium;59: Pr;PraseodymiumNanomaterials;Materials Science;Nanomaterials;Nanoparticles: Oxides, Nitrides, and Other CeramicsChemical Synthesis;Nanopowders and Nanoparticle Dispersions;Inorganics;metal oxide
• Mol File: 12037-29-5.mol
• Article Data: 0

Chemical Properties

• Melting Point: 2500°C
• Appearance: Dark green to dark brown or black/nanopowder
• Density: 6.5 g/mL at 25 °C(lit.)
• Storage Temp.: under inert gas (nitrogen or Argon) at 2-8°C
• Water Solubility: insoluble
• CAS DataBase Reference: Praseodymium oxide(CAS DataBase Reference)
• NIST Chemistry Reference: Praseodymium oxide(12037-29-5)
• EPA Substance Registry System: Praseodymium oxide(12037-29-5)

Safety Data

• Hazard Codes: Xi
• Statements: 36/37/38
• Safety Statements: 26-37/39
• WGK Germany: 1
• RTECS: TU1480000
• TSCA: Yes
• Hazardous Substances Data: 12037-29-5(Hazardous Substances Data)

Usage

Description

Praseodymium oxide, a rare earth oxide belonging to the lanthanide series, is a dark green to dark brown or black powder. It is a weak coloring oxide that melts at 932°C (1710°F) and is slightly soluble in water. Due to its ionic conductivity, it has a wide range of applications in various industries.

Uses

Used in Glass and Ceramic Pigment Industry:
Praseodymium oxide is used as a colorant for glass and ceramics, providing a vibrant yellow hue. It is also a component of didymium glass, which serves as a colorant for welder's goggles and is an important additive for Praseodymium yellow pigments.
Used in Ceramic Structures:
Praseodymium oxide is used in the production of ceramic structures, which have a wide range of applications, from creating clay bowls to advanced electronics. Its use in ceramics is not extensive but is significant in yellow stains with zirconium silicate.
Used in Aerospace and Electrochemical Applications:
Due to its ionic conductivity, praseodymium oxide is used in lightweight structural components in the aerospace industry. It is also utilized in electrochemical applications such as fuel cells, where its properties contribute to improved performance and efficiency.
Used as a Laboratory Reagent:
Praseodymium oxide serves as a valuable laboratory reagent, playing a crucial role in various chemical analyses and research processes.

Flammability and Explosibility

Nonflammable

Purification Methods

Dissolve the oxide in acid (perchloric acid), precipitate it as the oxalate and the salt is ignited at 650o to give the oxide.

InChI:InChI=1/3O.2Pr/q3*-2;2*+3