Product property
Product Name: Europium Oxide
CAS: 1308-96-9
MF: Eu2O3
MW: 351.93
EINECS: 215-165-6
Melting point：2291°C
Density：7.42 g/mL at 25 °C(lit.)
Storage temp：Storage temperature: no restrictions.
Form：nanopowder
Color：White to slightly pink
Specific Gravity：7.42
Water Solubility：Soluble in acids. Insoluble in water.
Sensitive：Hygroscopic
Merck：14,3904
| Eu2O3/TREO (% min.) | 99.999 | 99.99 | 99.9 |
| TREO (% min.) | 99 | 99 | 99 |
| Loss On Ignition (% max.) | 0.5 | 1 | 1 |
| Rare Earth Impurities | ppm max. | ppm max. | % max. |
| La2O3/TREO | 1 | 5 | 0.001 |
| CeO2/TREO | 1 | 5 | 0.001 |
| Pr6O11/TREO | 1 | 5 | 0.001 |
| Nd2O3/TREO | 1 | 5 | 0.001 |
| Sm2O3/TREO | 2 | 10 | 0.05 |
| Gd2O3/TREO | 1 | 10 | 0.05 |
| Tb4O7/TREO | 1 | 10 | 0.001 |
| Dy2O3/TREO | 1 | 10 | 0.001 |
| Ho2O3/TREO | 1 | 5 | 0.001 |
| Er2O3/TREO | 1 | 5 | 0.001 |
| Tm2O3/TREO | 1 | 5 | 0.001 |
| Yb2O3/TREO | 1 | 5 | 0.001 |
| Lu2O3/TREO | 1 | 5 | 0.001 |
| Y2O3/TREO | 1 | 5 | 0.001 |
| Non-Rare Earth Impurities | ppm max. | ppm max. | % max. |
| Fe2O3 | 5 | 8 | 0.001 |
| SiO2 | 50 | 100 | 0.01 |
| CaO | 10 | 30 | 0.01 |
| CuO | 1 | 5 | 0.001 |
| Cl- | 100 | 300 | 0.03 |
| NiO | 2 | 5 | 0.001 |
| ZnO | 3 | 10 | 0.001 |
| PbO | 2 | 5 | 0.001 |
Europium oxide usually used for the manufacture of color television phosphors, lamps with trichromatic phosphors and X-ray
intensifier screen activator.
The storeroom is ventilated and dried at low temperature.