Dysprosium(III) oxide

Dysprosium(III) oxide

Identifiers
CAS Number	1308-87-8 Y
ChemSpider	3296880 Y
Jmol 3D model	Interactive image
PubChem	159370
InChI InChI=1S/2Dy.3O Y Key: NLQFUUYNQFMIJW-UHFFFAOYSA-N Y InChI=1/2Dy.3O/rDy2O3/c3-1-5-2-4 Key: NLQFUUYNQFMIJW-XDEDGNAWAZ
SMILES O=[Dy]O[Dy]=O
Properties
Chemical formula	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)
Solubility in water	Negligible
Structure
Crystal structure	Cubic, cI80
Space group	Ia-3, No. 206
Vapor pressure	{{{value}}}
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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Infobox references

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