Erbium(III) oxide

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Erbium(III) oxide
Image:Erbium(III) oxide.png
Other names Erbium oxide, erbia
Identifiers
CAS number [12061-16-4]
Properties
Molecular formula Er2O3
Molar mass 382.56 g/mol
Melting point

2355 °C

Solubility in other solvents Insoluble
Except where noted otherwise, data are given for
materials in their standard state
(at 25 °C, 100 kPa)

Infobox disclaimer and references

Erbium(III) oxide, a pink solid, is a compound of erbium sometimes used as a colouring for glasses and a dopant for optical fibres and optical amplifiers. It was partially isolated by Carl Gustaf Mosander in 1843, and first obtained in pure form in 1905 by Georges Urbain and Charles James.

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