Dysprosium(III) oxide
Chemical compound / From Wikipedia, the free encyclopedia
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, as a Faraday rotator[3] and dysprosium metal halide lamps.
Quick Facts Identifiers, Properties ...
Identifiers | |
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3D model (JSmol) |
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ChemSpider |
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ECHA InfoCard | 100.013.786 |
PubChem CID |
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UNII | |
CompTox Dashboard (EPA) |
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Properties | |
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] |
Negligible | |
+89,600·10−6 cm3/mol | |
Structure | |
Cubic, cI80 | |
Ia3, No. 206[2] | |
Hazards | |
Occupational safety and health (OHS/OSH): | |
Main hazards |
Non-Toxic |
Safety data sheet (SDS) | 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).
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It can react with acids to produce the corresponding dysprosium(III) salts:
- Dy2O3 + 6 HCl → 2 DyCl3 + 3 H2O