Gadolinium(III) bromide

Gadolinium(III) bromide is a crystalline compound of gadolinium atoms and three bromine atoms. This salt is hygroscopic.

Gadolinium(III) bromide
Names
IUPAC name
Gadolinium(III) bromide
Other names
Gadolinium tribromide
Gadolinium bromide
Identifiers
3D model (JSmol)
ECHA InfoCard 100.034.072 Edit this at Wikidata
EC Number
  • 237-494-4
  • InChI=1S/3BrH.Gd/h3*1H;/q;;;+3/p-3
    Key: KGOKDPWKDBWITQ-UHFFFAOYSA-K
  • Br[Gd](Br)Br
  • [Br-].[Br-].[Br-].[Gd+3]
Properties
GdBr3
Molar mass 396.96g[1]
Density 2.844 g/cm3<
Melting point 770 °C (1,420 °F; 1,040 K)[1]
Boiling point 1,455 °C (2,651 °F; 1,728 K)
Soluble[2]
Solubility Also soluble in THF, 1,2-Diethoxyethane, p-dioxane, and alkyl amine.[2]
Hazards
GHS labelling:
GHS07: Exclamation mark
Warning
H315, H319, H335[1]
P261, P305+P351+P338[1]
Related compounds
Other anions
Gadolinium(III) fluoride
Gadolinium(III) chloride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Preparation

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Gadolinium(III) bromide can be obtained by the reaction between gadolinium and hydrobromic acid:[3]

 

The anhydrous form can be obtained by heating the hydrate with ammonium bromide.[3]

References

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  1. ^ a b c d "Gadolinium(III) bromide anhydrous, powder, 99.99% trace rare earth metals basis | Sigma-Aldrich". www.sigmaaldrich.com. Retrieved 21 December 2016.
  2. ^ a b "13818-75-2 - Gadolinium(III) bromide, ultra dry, 99.99% (metals basis) - 43673 - Alfa Aesar". www.alfa.com. Retrieved 21 December 2016.
  3. ^ a b Georg Brauer (Hrsg.), unter Mitarbeit von Marianne Baudler u. a.: Handbuch der Präparativen Anorganischen Chemie. 3., umgearbeitete Auflage. Band I, Ferdinand Enke, Stuttgart 1975, ISBN 3-432-02328-6, S. 1077.