Holmium (III) bromide
Crystal structure | ||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
__ Ho 3+ __ Br - | ||||||||||||||||
General | ||||||||||||||||
Surname | Holmium (III) bromide | |||||||||||||||
other names |
Holmium tribromide |
|||||||||||||||
Ratio formula | HoBr 3 | |||||||||||||||
Brief description |
yellow solid |
|||||||||||||||
External identifiers / databases | ||||||||||||||||
|
||||||||||||||||
properties | ||||||||||||||||
Molar mass | 404.64 g mol −1 | |||||||||||||||
Physical state |
firmly |
|||||||||||||||
density |
4.85 g cm −3 (25 ° C) |
|||||||||||||||
Melting point |
919 ° C |
|||||||||||||||
boiling point |
1470 ° C |
|||||||||||||||
safety instructions | ||||||||||||||||
|
||||||||||||||||
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . |
Holmium (III) bromide is an inorganic chemical compound of holmium from the group of bromides .
Extraction and presentation
Holmium (III) bromide can be obtained by reacting holmium with hydrogen bromide .
Holmium (III) bromide hydrate can be converted into the anhydrate by dehydration with ammonium bromide .
properties
Holmium (III) bromide is a yellow, strongly hygroscopic solid with a crystal structure of the iron (III) bromide type.
Individual evidence
- ↑ 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.
- ↑ a b c d e data sheet Holmium (III) bromide, anhydrous, powder, 99.99% trace metals basis from Sigma-Aldrich , accessed on April 24, 2014 ( PDF ).