Praseodymium Oxide Powder (Pr₆O₁₁)

Specification of Praseodymium Oxide Powder (Pr₆O₁₁)

• Chemical Name: Praseodymium(III, IV) Oxide

• Chemical Formula: Pr₆O₁₁

• CAS Number: 12037‑29‑5

• Appearance: Dark brown to black powder

• Density (typical): ~6.5‑6.9 g/cm³

• Melting Point: Approximately 2,183 °C

• Boiling Point: Approximately 3,760 °C

• Purity Grades Offered: 99.0%, 99.9% (3N), 99.99% (4N), 99.999% (5N), up to 99.9995%

• Typical Particle Size (D50): 2‑5 µm (depending on grade)

• Solubility: Insoluble in water, soluble in strong acids

• Typical Impurity Limits (example high­purity grade):

• Rare earth oxide impurities (La₂O₃, Nd₂O₃, Sm₂O₃, etc): <50 ppm (varies by grade)

• Color: Dark brown powder (sometimes black)

Key Notes for Buyers

• The mixed‑valence state (Pr³⁺ and Pr⁴⁺) gives Pr₆O₁₁ unique redox and catalytic behavior, making it valuable for catalysts, high‑performance ceramics, and specialty optical materials.

• High purity and controlled particle size are critical for applications in thin‑film deposition, additive manufacturing, and advanced ceramics where impurity or agglomeration can affect performance.

• Packaging should ensure moisture‑controlled and inert atmosphere conditions to preserve powder integrity, particularly for the highest purity grades.

Advantages of Praseodymium Oxide Powder (Pr₆O₁₁)

• Praseodymium oxide powder delivers exceptional performance in advanced material systems thanks to its unique combination of redox versatility, thermal and chemical stability, and functional doping capabilities. Because Pr₆O₁₁ carries both +3 and +4 praseodymium oxidation states, it enables rapid oxygen mobility and vacancy generation—properties that underpin its high catalytic activity and excellent performance in oxidation environments.

• In high‑temperature and demanding chemical environments, praseodymium oxide stands out for its durability. Its mixed valence structure helps maintain stability under thermal cycling while resisting harsh atmospheric conditions. That makes it particularly valuable for use in coatings, ceramics and other materials requiring long service lifetimes under stress.

• From a materials‑engineering perspective, Pr₆O₁₁ powder supports multiple advanced applications. It functions as a tailored dopant for optical and ceramic systems, enables durable catalyst supports, and improves corrosion resistance when used in protective layers—all of which contribute to its strong utility in electronics, optics and energy‑conversion fields.

• In sum, praseodymium oxide powder offers a strategic material advantage for engineers and manufacturers seeking high‑performance feedstocks that combine oxidation/catalytic responsiveness, structural reliability, and functional versatility across coatings, ceramics and thin‑film platforms.