Dysprosium(III) oxide
Dysprosium Oxide (Dy2O3) is a sesquioxide compound of the rare earth metal dysprosium. It is a pastel yellowish-greenish, slightly hygroscopic powder having specialized uses in ceramics, glass, phosphors, lasers and dysprosium metal halide lamps.
 | |
 | |
| Identifiers | |
|---|---|
CAS Number |
|
3D model (JSmol) |
|
| ChemSpider | |
| ECHA InfoCard | 100.013.786 |
PubChem CID |
|
| UNII | |
CompTox Dashboard (EPA) |
|
InChI
| |
SMILES
| |
| Properties | |
Chemical formula |
Dy2O3 |
| Molar mass | 372.998 g/mol |
| Appearance | pastel yellowish-greenish powder. |
| Density | 7.80 g/cm3 |
| Melting point | 2,408 °C (4,366 °F; 2,681 K)[1] |
Solubility in water |
Negligible |
Magnetic susceptibility (χ) |
+89,600·10−6 cm3/mol |
| Structure | |
Crystal structure |
Cubic, cI80 |
Space group |
Ia-3, No. 206[2] |
| Hazards | |
| Main hazards | Non-Toxic |
| Safety data sheet | External MSDS |
| Related compounds | |
Other anions |
Dysprosium(III) chloride |
Other cations |
Terbium(III) oxide, Holmium(III) oxide |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
  | |
| Infobox references | |
It can react with acids to produce the corresponding dysprosium(III) salts:
- Dy2O3 + 6 HCl → 2 DyCl3 + 3 H2O
References
- Webelements Dysprosium trioxide
- Curzon A.E., Chlebek H.G. (1973). "The observation of face centred cubic Gd, Tb, Dy, Ho, Er and Tm in the form of thin films and their oxidation". J. Phys. F. 3: 1–5. doi:10.1088/0305-4608/3/1/009.