Iodobromide

Structural formula
General
Surname	Iodobromide
other names	Iodine monobromide Bromine iodide
Molecular formula	IBr
Brief description	dark gray crystals
External identifiers / databases
CAS number 7789-33-5 EC number 232-159-9 ECHA InfoCard 100.029.236 PubChem 82238 Wikidata Q416182
properties
Molar mass	206.81 g mol −1
Physical state	firmly
density	4.42 g cm −3
Melting point	40 ° C
boiling point	116 ° C (decomposition)
safety instructions
GHS labeling of hazardous substances danger H and P phrases H: 314-335 P: 280-301 + 330 + 331-303 + 361 + 353-304 + 340-305 + 351 + 338-310
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Iodobromide is an interhalogen compound that consists of the elements iodine and bromine .

Extraction and presentation

Iodobromide can be made directly from the elements:

${\displaystyle \mathrm {I_{2}+Br_{2}\longrightarrow 2\ IBr} }$

For this purpose, iodine and bromine are brought together in a protective gas and heated over a longer period of time.

properties

Iodine bromide crystals are dark gray and smell pungent. They can be dissolved in water , ethanol and ether , among other things .

use

Iodobromide is used for bromination and to determine the iodine number .

Individual evidence

1. ↑ ^{a b c d e} entry on iodobromides. In: Römpp Online . Georg Thieme Verlag, accessed on May 26, 2014.
2. ↑ Data sheet iodobromide from AlfaAesar, accessed on March 17, 2010 ( PDF )(JavaScript required) .
3. ↑ ^{a b} Entry on iodobromide in the GESTIS substance database of the IFA , accessed on January 9, 2019(JavaScript required) .