The topic of this article may not meet Wikipedia's general notability guideline. Please help to demonstrate the notability of the topic by citing reliable secondary sources that are independent of the topic and provide significant coverage of it beyond a mere trivial mention. If notability cannot be shown, the article is likely to be merged, redirected, or deleted.Find sources: "Gadolinium(III) bromide" – news · newspapers · books · scholar · JSTOR (December 2016) (Learn how and when to remove this template message)
Some of this article's listed sources may not be reliable. Please help improve this article by looking for better, more reliable sources. Unreliable citations may be challenged and removed. (December 2016) (Learn how and when to remove this template message)
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).

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]

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

References

  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.
Categories