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Dysprosium(III) oxide

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Title: Dysprosium(III) oxide  
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Subject: Dysprosium, Inorganic compounds by element
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Dysprosium(III) oxide

Dysprosium(III) oxide
CAS number 1308-87-8 YesY
PubChem 159370
ChemSpider 3296880 YesY
Jmol-3D images Image 1
Molecular formula Dy2O3
Molar mass 372.998 g/mol
Appearance White powder.
Density 7.80 g/cm3
Melting point

2408 °C[1]

Solubility in water Negligible
Crystal structure Cubic, cI80
Space group Ia-3, No. 206[2]
MSDS External MSDS
Main hazards Non-Toxic
 YesY (verify) (what is: YesY/N?)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
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


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