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
CAS Number	13818-75-2
3D model (JSmol)	Interactive image Interactive image
ECHA InfoCard	100.034.072
EC Number	237-494-4
PubChem CID	24872012
CompTox Dashboard (EPA)	DTXSID9065653
InChI InChI=1S/3BrH.Gd/h3*1H;/q;;;+3/p-3 Key: KGOKDPWKDBWITQ-UHFFFAOYSA-K
SMILES Br(Br)Br ...
Properties
Chemical formula	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)
Solubility in water	Soluble[2]
Solubility	Also soluble in THF, 1,2-Diethoxyethane, p-dioxane, and alkyl amine.[2]
Hazards
GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H315, H319, H335[1]
Precautionary statements	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 , 100 kPa). Infobox references

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]

${\displaystyle \mathrm {2\ Gd+6\ HBr\longrightarrow 2\ GdBr_{3}+3\ H_{2}} }$

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

References