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Dysprosium(III) oxide

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Dysprosium(III) oxide
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.013.786 Edit this at Wikidata
  • InChI=1S/2Dy.3O checkY
    Key: NLQFUUYNQFMIJW-UHFFFAOYSA-N checkY
  • InChI=1/2Dy.3O/rDy2O3/c3-1-5-2-4
    Key: NLQFUUYNQFMIJW-XDEDGNAWAZ
  • O=[Dy]O[Dy]=O
Properties
Dy2O3
Molar mass 372.998 g/mol
Appearance White powder.
Density 7.80 g/cm3
Melting point 2408 °C[1]
Negligible
Structure
Cubic, cI80
Ia-3, No. 206[2]
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
 Non-Toxic
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
checkY verify (what is checkY☒N ?)

Dysprosium Oxide (Dy2O3) is a white, 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.
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