Brief introduction
Formula: Dy2O3
CAS No.: 1308-87-8
Molecular Weight: 373.00
Density: 7.81 g/cm3
Melting point: 2,408° C
Appearance: White powder
Solubility: Insoluble in water, moderately soluble in strong mineral acids
Multilingual: DysprosiumOxid, Oxyde De Dysprosium, Oxido Del Disprosio
Application
Dysprosium oxide (Dy2O3) is a rare earth compound with several important applications, particularly due to its unique magnetic properties. Some of its key applications include:
1. **Magnets**: Dysprosium oxide is used in the production of neodymium-iron-boron (NdFeB) magnets. These magnets are extremely strong and are used in various high-tech applications such as electric vehicles, wind turbines, and hard disk drives.
2. **Nuclear Reactors**: Dysprosium has a high neutron absorption cross-section, making dysprosium oxide useful in nuclear reactor control rods, where it helps to regulate the nuclear fission process.
3. **Lighting**: In lighting technology, dysprosium oxide is used in halide lamps to produce a white light that closely resembles natural sunlight, which is beneficial in studios and indoor arenas.
4. **Glass and Ceramics**: It's used as a coloring agent for glass and ceramics. The oxide can impart a yellowish color to glass and can also be used to create special glass with high optical properties.
5. **Research and Electronics**: In scientific research, dysprosium oxide is used in various experimental studies, particularly in materials science. It is also used in certain electronic components for its specific electrical properties.
6. **Catalysis**: Dysprosium oxide can act as a catalyst in certain chemical reactions, particularly in petrochemical refining.
These applications leverage the unique physical and chemical properties of dysprosium oxide, particularly its magnetic characteristics and its ability to absorb neutrons. The demand for dysprosium oxide, like many rare earth elements, has grown with the expansion of high-tech and green technology industries.
Test Item | Standard | Results |
Dy2O3/TREO | ≥99.99% | >99.99% |
Main Component TREO | ≥99.5% | 99.62% |
RE Impurities (ppm/TREO) | ||
La2O3 | ≤10 | 5 |
CeO2 | ≤10 | 5 |
Pr6O11 | ≤5 | 3 |
Nd2O3 | ≤5 | 2 |
Sm2O3 | ≤5 | 2 |
Gd2O3 | ≤10 | 5 |
Y2O3 | ≤20 | 5 |
Ho2O3 | ≤20 | 6 |
Yb2O3 | ≤10 | 5 |
Er2O3 | ≤10 | 3 |
Tb4O7 | ≤20 | 8 |
Non-RE Impurities (ppm) | ||
Fe2O3 | ≤10 | 3 |
SiO2 | ≤20 | 6 |
Cl- | ≤50 | 5 |
CaO | ≤20 | 2 |
CuO | ≤10 | 3 |
Conclusion | Comply with above enterprise standard |
Company Introduction
Shanghai Epoch Material Co., Ltd. is located in the economic center---Shanghai. We always adhere to "Advanced materials, better life" and committee to the Research and Development of technology, to make it used in human beings' daily life to make our life more better.
Now, we mainly dealing with rare earth materials, nano materials, OLED materials, and other advanced materials. These advanced materials are widely used in chemistry, medicine, biology, OLED display, OLED light, environmental protection, new energy, etc.



To better ensure the safety of your goods, professional, environmentally friendly, convenient and efficient packaging services will be provided.
1) Are you manufacture or trade? We are manufacturer, our factory is located in Shandong, but we can also provide one stop purchasing service for you! |
2)Payment terms T/T(telex transfer), Western Union, MoneyGram, BTC(bitcoin), etc. |
3)Lead time ≤25kg: within three working days after payment received. >25kg: one week |
4)Sample Available We can provide small free samples for quality evaluation purpose! |
5)Package 1kg per bag fpr samples, 25kg or 50kg per drum, or as you required. |
6)Storage Store the container tightly closed in a dry, cool and well-ventilated place. |