Gadolinium(III) bromide

Gadolinium(III) bromide
Names
IUPAC name
Gadolinium(III) bromide
Other names
Gadolinium tribromide
Gadolinium bromide
Identifiers
3D model (JSmol)
ChemSpider
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:[1]
GHS07: Exclamation mark
Warning
H315, H319, H335
P261, P305+P351+P338
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).

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

Preparation

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

2 Gd + 6 HBr → 2 GdBr3 + 3 H2

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

References

  1. ^ a b c "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.