Product Properties
Product:Yttrium Nitrate
Formula: Y(NO3)3.6H2O
CAS No.: 13494-98-9
Molecular Weight: 491.01
Density: 2.682 g/cm3
Melting point: 222℃
Appearance: White crystals, powder, or chunks
Specification of Yttrium Nitrate
Product Code | Yttrium Nitrate | ||||
Grade | 99.9999% | 99.999% | 99.99% | 99.9% | 99% |
CHEMICAL COMPOSITION | |||||
Y2O3/TREO (% min.) | 99.9999 | 99.999 | 99.99 | 99.9 | 99 |
TREO (% min.) | 29 | 29 | 29 | 29 | 29 |
Loss On Ignition (% max.) | 0.5 | 1 | 1 | 1 | 1 |
Rare Earth Impurities | ppm max. | ppm max. | ppm max. | % max. | % max. |
La2O3/TREO CeO2/TREO Pr6O11/TREO Nd2O3/TREO Sm2O3/TREO Eu2O3/TREO Gd2O3/TREO Tb4O7/TREO Dy2O3/TREO Ho2O3/TREO Er2O3/TREO Tm2O3/TREO Yb2O3/TREO Lu2O3/TREO | 0.1 0.1 0.5 0.5 0.1 0.1 0.5 0.1 0.5 0.1 0.2 0.1 0.2 0.1 | 1 1 1 1 1 2 1 1 1 2 2 1 1 1 | 30 30 10 20 5 5 5 10 10 20 15 5 20 5 | 0.01 0.01 0.01 0.02 0.005 0.005 0.011 0.001 0.005 0.034 0.03 0.001 0.005 0.002 | 0.03 0.03 0.03 0.03 0.03 0.04 0.1 0.05 0.04 0.3 0.32 0.03 0.03 0.03 |
Non-Rare Earth Impurities | ppm max. | ppm max. | ppm max. | % max. | % max. |
Fe2O3 SiO2 CaO Cl- CuO NiO PbO Na2O K2O MgO Al2O3 TiO2 ThO2 | 1 10 10 50 1 1 1 1 1 1 5 1 1 | 3 50 30 100 2 3 2 15 15 15 50 50 20 | 10 100 100 300 5 5 10 10 15 15 50 50 20 | 0.002 0.032 0.02 0.05 | 0.01 0.05 0.55 0.1 |
Application of Yttrium Nitrate
Precursor for Yttrium-based Materials: Yttrium nitrate is often used as a precursor material in the synthesis of various yttrium-based compounds, including yttrium oxide (Y₂O₃). These materials are crucial in the production of phosphors, ceramics, and glass with special optical properties.
Phosphors and Lighting: One of the most significant applications of yttrium nitrate is in the preparation of yttrium-based phosphors. These phosphors are essential components in LED lights and other lighting systems, where they convert electrical energy into visible light with high efficiency and excellent color rendering.
Ceramics: In the field of ceramics, yttrium nitrate is used to produce yttrium-stabilized zirconia (YSZ), a type of ceramic known for its high thermal and chemical stability. YSZ is widely used in fuel cells, oxygen sensors, and other high-temperature applications due to its excellent ionic conductivity at elevated temperatures.
Electronics and Superconductors: Yttrium compounds derived from yttrium nitrate are used in the manufacturing of electronic devices and superconductors. Yttrium barium copper oxide (YBCO), a high-temperature superconductor, is one example of a material that can be synthesized from yttrium precursors.
Catalysis: Yttrium nitrate is also used as a catalyst or a catalyst precursor in various chemical reactions, including organic synthesis and polymerization processes. Its ability to alter reaction pathways and improve the efficiency of chemical processes makes it valuable in the chemical industry.