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Dysprosium(III) oxide

From Wikipedia, the free encyclopedia

Dysprosium(III) oxide
Dy2O3powder.jpg
Tl2O3structure.jpg
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.013.786
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
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).
☑Y verify (what is ☑Y☒N ?)
Infobox references

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.

It can react with acids to produce the corresponding dysprosium(III) salts:

Dy2O3 + 6 HCl → 2 DyCl3 + 3 H2O

References

  1. ^ Webelements Dysprosium trioxide
  2. ^ 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.


This page was last edited on 12 October 2018, at 21:38
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