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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 2,408 °C (4,366 °F; 2,681 K)[1]
Negligible
Structure
Cubic, cI80
Ia-3, 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).
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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