Description

Praseodymium Oxide (CAS NO 11113-81-8) is a high-purity rare earth compound valued for its unique optical, catalytic, and magnetic properties. It serves as a critical precursor material in advanced manufacturing and technology sectors. This product is essential for industries including specialty glass, ceramics, catalysis, and permanent magnet manufacturing, where precise material characteristics are paramount.

Application

• Specialty Glass and Ceramics: A key dopant for producing yellow glass filters, protective welding goggles, and ceramic pigments, where it imparts specific color and UV absorption properties.
• Catalysts: Used as a component in automotive catalytic converters and petroleum cracking catalysts to enhance efficiency and selectivity.
• Permanent Magnets: An important additive in neodymium-iron-boron (NdFeB) magnets to improve temperature stability and coercivity.
• Polishing Compounds: Employed in the formulation of high-precision polishing powders for optical lenses, semiconductors, and display glass.
• Fluorescent Materials: Acts as a phosphor activator in certain lighting and display applications.
• Metal Alloying: Used to enhance the strength and workability of magnesium-based alloys.
• Research & Development: Serves as a starting material in academic and industrial research for developing new materials and chemical processes.

Basic Information

Product Name	Praseodymium Oxide
CAS No.	11113-81-8
Molecular Formula	Pr6O11 (common form)
Molecular Weight	1021.44 g/mol (for Pr6O11)
Synonyms	Praseodymia; Praseodymium(III,IV) oxide; Praseodymium sesquioxide; Dipraseodymium trioxide; Pr6O11; Praseodymium oxide (Pr6O11); Rare earth oxide praseodymium
EINECS	234-857-9

Quality Control

Our Praseodymium Oxide is manufactured under a stringent quality management system. Each batch undergoes comprehensive analysis to ensure it meets exacting specifications for purity and consistency. We provide Certificates of Analysis (COA) with key parameters including assay, rare earth purity, and trace metal content. Our quality commitment supports applications requiring high material reliability.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). The material is hygroscopic (moisture-sensitive) and should be kept in a dry environment to prevent caking and degradation. Keep away from strong acids and strong oxidizing agents.

Specification

Item	Specification
Appearance	Greenish-brown or black powder
Assay (as Pr6O11)	≥ 99.9% (99.99% available)
Rare Earth Purity (REO)	≥ 99.5%
Loss on Ignition (LOI)	≤ 1.0%
Particle Size (D50)	Customizable (1-10 µm typical)
Specific Surface Area (BET)	Contact for details
Impurities (Typical, ppm)
- Fe	≤ 50
- Ca	≤ 50
- Other Rare Earths	Contact for details

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.