Gadolinium (III) bromide

Crystal structure
__ Gd 3+      __ Br -
General
Surname	Gadolinium (III) bromide
other names	Gadolinium tribromide
Ratio formula	GdBr 3
Brief description	white solid
External identifiers / databases
CAS number 13818-75-2 EC number 237-494-4 ECHA InfoCard 100.034.072 PubChem 83754 Wikidata Q15628354
properties
Molar mass	396.96 g mol −1
Physical state	firmly
Melting point	770 ° C
boiling point	1490 ° C
safety instructions
GHS labeling of hazardous substances Caution H and P phrases H: 315-319-335 P: 261-305 + 351 + 338
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Gadolinium (III) bromide is an inorganic chemical compound of gadolinium from the group of bromides .

Extraction and presentation

Gadolinium (III) bromide can be obtained by reacting gadolinium with hydrogen bromide .

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

Gadolinium (III) bromide hydrate can be converted into the anhydrate by dehydration with ammonium bromide .

properties

Gadolinium (III) bromide is a white, strongly hygroscopic solid with a crystal structure of the iron (III) bromide type.

Individual evidence

1. ↑ ^{a b c d} Georg Brauer (Ed.), With the collaboration of Marianne Baudler a . a .: Handbook of Preparative Inorganic Chemistry. 3rd, revised edition. Volume I, Ferdinand Enke, Stuttgart 1975, ISBN 3-432-02328-6 , p. 1077.
2. ↑ ^{a b c d e} data sheet Gadolinium (III) bromide, anhydrous, powder, 99.99% trace metals basis from Sigma-Aldrich , accessed on April 24, 2014 ( PDF ).