Thulium (III) bromide

Crystal structure
__ Tm 3+      __ Br -
General
Surname	Thulium (III) bromide
other names	Thulium tribromide
Ratio formula	TmBr 3
Brief description	white solid
External identifiers / databases
CAS number 14456-51-0 EC number 238-444-4 ECHA InfoCard 100.034.934 PubChem 518955 Wikidata Q16857502
properties
Molar mass	408.65 g mol −1
Physical state	firmly
Melting point	952 ° C
boiling point	1440 ° 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 .

Thulium (III) bromide is an inorganic chemical compound of thulium from the group of bromides .

Extraction and presentation

Thulium (III) bromide can be obtained by reacting thulium with hydrogen bromide .

${\displaystyle \mathrm {2\ Tm+6\ HBr\longrightarrow 2\ TmBr_{3}+3\ H_{2}} }$

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

properties

Thulium (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 e} Georg Brauer (Ed.), With the collaboration of Marianne Baudler u. 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} data sheet Thulium (III) bromide, anhydrous, powder, 99.99% from Sigma-Aldrich , accessed on April 25, 2014 ( PDF ).