Product Properties
Name: Thulium Nitrate
Formula: Tm(NO3)3.xH2O
CAS No.: 35725-33-8
Molecular Weight: 354.95 (anhy)
Density: 9.321g/cm3
Melting point: 56.7℃
Appearance: White crystalline
Specification of Thulium Nitrate
| Product Name | Thulium Nitrate | |||
| Tm2O3 /TREO (% min.) | 99.9999 | 99.999 | 99.99 | 99.9 |
| TREO (% min.) | 45 | 45 | 45 | 45 |
| Rare Earth Impurities | ppm max. | ppm max. | ppm max. | % max. |
| Tb4O7/TREO | 0.1 | 1 | 10 | 0.005 |
| Dy2O3/TREO | 0.1 | 1 | 10 | 0.005 |
| Ho2O3/TREO | 0.1 | 1 | 10 | 0.004 |
| Er2O3/TREO | 0.5 | 5 | 25 | 0.05 |
| Yb2O3/TREO | 0.5 | 5 | 25 | 0.012 |
| Lu2O3/TREO | 0.5 | 1 | 20 | 0.005 |
| Y2O3/TREO | 0.1 | 1 | 10 | 0.005 |
| Non-Rare Earth Impurities | ppm max. | ppm max. | ppm max. | % max. |
| Fe2O3 | 1 | 3 | 10 | 0.001 |
| SiO2 | 5 | 10 | 50 | 0.01 |
| CaO | 5 | 10 | 100 | 0.011 |
| CuO | 1 | 1 | 5 | 0.031 |
| NiO | 1 | 2 | 5 | 0.002 |
| ZnO | 1 | 3 | 10 | 0.001 |
| PbO | 1 | 2 | 5 | 0.001 |
Application of Thulium Nitrate
Catalysis: Thulium nitrate can act as a catalyst in organic synthesis reactions. Its ability to form complexes can facilitate various chemical transformations, making it valuable in research laboratories for synthesizing complex organic compounds.
Doping Agent: In the production of certain types of crystals and glasses, thulium nitrate is used as a doping agent. Doped crystals and glasses can have unique optical properties, including specific absorption and emission characteristics in the visible and near-infrared regions of the spectrum. These materials are crucial for laser technology, optical fibers, and other photonic devices.
Luminescent Materials: Thulium nitrate can be used to produce luminescent materials that emit light upon excitation. These materials have potential applications in lighting, displays, and bioimaging. For example, thulium-doped materials can be used in upconversion phosphors, which absorb infrared light and emit it at shorter wavelengths, visible to the human eye.

