Erbium (III) iodide

Crystal structure
__ He 3+      __ I -
General
Surname	Erbium (III) iodide
other names	Erbium triiodide
Ratio formula	ErI 3
Brief description	purple solid
External identifiers / databases
CAS number 13813-42-8 EC number 237-471-9 ECHA InfoCard 100.034.051 PubChem 83749 Wikidata Q15632734
properties
Molar mass	547.97 g mol −1
Physical state	firmly
density	5.5 g cm −3 (25 ° C)
Melting point	1020
boiling point	1280 ° C
solubility	soluble in water
safety instructions
GHS labeling of hazardous substances danger H and P phrases H: 360 P: 201-308 + 313
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Erbium (III) iodide is an inorganic chemical compound of erbium from the group of iodides .

Extraction and presentation

Erbium (III) iodide can be obtained by reacting erbium with iodine .

${\displaystyle \mathrm {2\ Er+3\ I_{2}\longrightarrow 2\ ErI_{3}} }$

properties

Erbium (III) iodide is a purple solid that is soluble in water. It has a trigonal crystal structure with the space group R 3 (space group no.148) .

Individual evidence

1. ↑ ^{a b c d e} data sheet Erbium (III) iodide, anhydrous, REacton®, 99.99% (REO) from AlfaAesar, accessed on November 6, 2013 ( PDF )(JavaScript required) .
2. ↑ ^{a b c d} Datasheet Erbium (III) iodide, anhydrous, powder, 99.9% trace metals basis from Sigma-Aldrich , accessed on November 6, 2013 ( PDF ).
3. ↑ WebElements: Chemical reactions of Erbium
4. ↑ Roger Blachnik (Ed.): Paperback 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. 444 f . ( limited preview in Google Book search).