Dysprosium (III) bromide

Crystal structure
__ Dy 3+      __ Br -
General
Surname	Dysprosium (III) bromide
other names	Dysprosium tribromide
Ratio formula	DyBr 3
Brief description	white to gray solid
External identifiers / databases
CAS number 14456-48-5 29843-91-2 (hydrate) PubChem 4067374 Wikidata Q15116137
properties
Molar mass	402.23 g mol −1
Physical state	firmly
density	5.8 g cm −3
Melting point	881 ° C
boiling point	1480 ° C
solubility	soluble in water
safety instructions
GHS labeling of hazardous substances Caution H and P phrases H: 315-319-335 P: 261-305 + 351 + 338-302 + 352-321-405-501
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Dysprosium (III) bromide is an inorganic chemical compound of dysprosium from the group of bromides .

Extraction and presentation

Dysprosium (III) bromide can be obtained by reacting dysprosium with bromine .

${\displaystyle \mathrm {2\ Dy+3\ Br_{2}\longrightarrow 2\ DyBr_{3}} }$

properties

Dysprosium (III) bromide is a white to gray hygroscopic solid that is soluble in water. It has a trigonal crystal structure of the bismuth (III) iodide type with the space group R 3 (space group no. 148) .

Individual evidence

1. ↑ ^{a b c d e f g h} Data sheet Dysprosium (III) bromide, ultra dry, 99.99% (REO) from AlfaAesar, accessed on October 30, 2013 ( PDF )(JavaScript required) .
2. ↑ ^{a b} Roger Blachnik (Ed.): Pocket book for chemists and physicists . Volume III: Elements, Inorganic Compounds and Materials, Minerals . founded by Jean d'Ans, Ellen Lax. 4th, revised and revised edition. Springer, Berlin 1998, ISBN 3-540-60035-3 , pp. 442, 1386 ( limited preview in Google Book search).
3. ↑ WebElements: Chemical reactions of dysprosium