Europium(II) sulfate

Chemical compound From Wikipedia, the free encyclopedia

Europium(II) sulfate is the inorganic compound with the formula EuSO4. Two polymorphs are known, α and the more stable β. Both are colorless. The β polymorph is isostructural with barium sulfate, hence it is insoluble in water.

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Europium(II) sulfate
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.030.071 Edit this at Wikidata
EC Number
  • 233-091-2
  • InChI=1S/Eu.H2O4S/c;1-5(2,3)4/h;(H2,1,2,3,4)/q+2;/p-2
    Key: ONQORTHCHCYWSQ-UHFFFAOYSA-L
  • [O-]S(=O)(=O)[O-].[Eu+2]
Properties
EuO4S
Molar mass 248.02 g·mol−1
Appearance white solid
Density 4.98 g/cm3 (β)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Preparation

The salt is generated by addition of soluble europium(II) salts to dilute sulfuric acid.[1]

It can also be prepared by the reduction of europium(III) sulfate with hydrogen at 480-500 °C.[2]

References

Further reading

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