Praseodymium oxide, also known as praseodymium oxide, is a dark brown powder that is insoluble in water and only soluble in strong acids. Praseodymium oxide is stable at room temperature and pressure.
It is a rare earth oxide and a basic acid anhydride, so it can react with acid and strong reducing agent in Redox. Rare earth oxide compounds contain at least one oxygen anion and one metal cation. They are usually insoluble in aqueous solutions (water) and extremely stable, making them suitable for ceramic structures. Due to this reason, praseodymium oxide has a wide range of applications, from producing clay bowls to advanced electronic products. Praseodymium oxide, due to its ionic conductivity, can also be used in lightweight structural components such as fuel cells in aerospace and electrochemical applications.
Chemical formula: Pr6O11
High purity Praseodymium oxide for Phosphor Additives Cas 12037-29-5
Praseodymium oxide Basic information | |
Product Name: | Praseodymium oxide |
CAS: | 12037-29-5 |
MF: | O3Pr2 |
MW: | 329.81 |
EINECS: | 234-857-9 |
Mol File: | 12037-29-5.mol |
Praseodymium oxide Chemical Properties | |
Melting point | 2500°C |
density | 6.5 g/mL at 25 °C(lit.) |
form | nanopowder |
color | Dark green to dark brown or black |
Water Solubility | insoluble |
ITEM | SPECIFICATIONS | TEST RESULTS | ||||||
Pr6O11/TREO(%,min) | 99.9 | 99.9 | ||||||
TREO(%,min) | 99.0 | 99.75 | ||||||
RE Impurities(%/TREO,Max) | ||||||||
La2O3 | 0.05 | 0.004 | ||||||
CeO2 | 0.05 | 0.009 | ||||||
Nd2O3 | 0.4 | 0.09 | ||||||
Sm2O3 | 0.03 | 0.005 | ||||||
Y2O3 | 0.01 | 0.003 | ||||||
Non-Re Impurities(%,Max) | ||||||||
Al2O3 | 0.05 | 0.01 | ||||||
Fe2O3 | 0.01 | 0.005 | ||||||
CaO | 0.05 | 0.01 | ||||||
SiO2 | 0.05 | 0.01 | ||||||
SO4 | 0.05 | 0.012 | ||||||
Cl- | 0.05 | 0.01 |
On the basis of white corundum, adding about 0.25% praseodymium neodymium oxide can make rare earth corundum grinding wheels, greatly improving their grinding performance. Increase the grinding rate by 30% to 100%, and double the service life. Praseodymium oxide has good polishing properties for certain materials, so it can be used as a polishing material for polishing operations. It contains about 7.5% praseodymium oxide in based polishing powder and is mainly used for polishing optical glasses, metal products, flat glass, and television tubes. The polishing effect is good and the application volume is large, which has become the main polishing powder in China at present. In addition, the application of petroleum cracking catalysts can improve catalytic activity, and can be used as additives for steelmaking, purifying molten steel, etc. In short, the application of praseodymium oxide is constantly expanding, with more being used in a mixed state besides a single form of praseodymium oxide. It is estimated that this trend will continue in the future.
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