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(Top) 1 Preparation 2 References

Uranium(III) bromide

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Uranium(III) bromide
Identifiers

CAS Number	13470-19-4^Y
3D model (JSmol)	Interactive image
CompTox Dashboard (EPA)	DTXSID50158868
SMILES Br[U](Br)Br
Properties
Chemical formula	UBr₃
Molar mass	477.741
Appearance	brown solid
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Uranium(III) bromide is an inorganic compound with the chemical formula UBr₃. It is radioactive.

Preparation

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Uranium(III) bromide can be obtained by the reaction of uranium metal or uranium(III) hydride and hydrogen bromide,^[1] or it can also be prepared by the thermal decomposition of NH₄UBr₄·1.5CH₃CN·6H₂O. ^[2] It is difficult to synthesize due to its rapid oxidation in both water and air.^[3]

References

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^ Barnard, Robert; Bullock, Joseph I.; Gellatly, Barry J.; Larkworthy, Leslie F. (1973). "Chemistry of the trivalent actinides. Part III. Some chemical and physical properties of hydrated uranium(III) fluoride and the anhydrous chloride, bromide, and iodide. The stability of uranium(III) in aqueous solution and in organic solvents". Journal of the Chemical Society, Dalton Transactions (6): 604–607. doi:10.1039/dt9730000604. ISSN 0300-9246.

^ Lichtscheidl, Alejandro; Pagano, Justin; Scott, Brian; Nelson, Andrew; Kiplinger, Jaqueline (2016-01-06). "Expanding the Chemistry of Actinide Metallocene Bromides. Synthesis, Properties and Molecular Structures of the Tetravalent and Trivalent Uranium Bromide Complexes: (C₅Me₄R)₂UBr₂, (C₅Me₄R)₂U(O-2,6-iPr₂C₆H₃)(Br), and [K(THF)][(C₅Me₄R)₂UBr₂] (R = Me, Et)". Inorganics. 4 (1): 1. doi:10.3390/inorganics4010001. ISSN 2304-6740.

^ Barnard, Robert (1969). The chemistry of tervalent uranium (PhD thesis). University of Surrey. Retrieved 2023-12-21.

t

e

Uranium compounds

U(II)

UB₂
US

U(III)

Organouranium(III) compounds

Organouranium(IV) compounds

U(C₅H₅)₃Cl

U(IV,V)

U₂N₃

U(IV,VI)

U₃O₈

U(V)

U(VI)

U(XII)

UO₆ (hypothetical)

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