Uranyl bromide

Chemical compound From Wikipedia, the free encyclopedia

Uranyl bromide is a salt of uranium, oxygen, and bromine with the chemical formula UO2Br2.[1][2]

Quick facts Names, Identifiers ...
Uranyl bromide
Names
Other names
  • Uranium(VI) bromide oxide
  • Uranium dibromide dioxide
Identifiers
3D model (JSmol)
  • InChI=1S/2BrH.2O.U/h2*1H;;;/q;;;;+2/p-2
    Key: CBJYXTDZUDNBDB-UHFFFAOYSA-L
  • O=[U](Br)(Br)=O
Properties
UO2Br2
Molar mass 429.835 g·mol−1
Appearance red solid
soluble
Related compounds
Other anions
Other cations
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Synthesis

Uranyl bromide can be obtained by passing bromine vapor over a heated mixture of UO2 and charcoal. The formed compound is extracted with ether.[3]

Physical properties

The compound is highly soluble and hygroscopic, forming intensely red solutions in water.[4][5] Uranyl bromide is known to form complex compounds with oxygen-containing ligands[6] and can undergo reduction to a black powder upon heating in such solutions.[citation needed]

References

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