Erbium (III) fluoride

Crystal structure
__ Er 3+      __ F -
Crystal system	orthorhombic
General
Surname	Erbium (III) fluoride
other names	Erbium trifluoride
Ratio formula	ErF 3
Brief description	pink odorless solid
External identifiers / databases
CAS number 13760-83-3 EC number 237-356-3 ECHA InfoCard 100,033,946 PubChem 83713 Wikidata Q2692628
properties
Molar mass	224.25 g mol −1
Physical state	firmly
density	7.806 g cm −3
Melting point	1146 ° C
boiling point	2200 ° C
solubility	almost insoluble in water
safety instructions
GHS labeling of hazardous substances danger H and P phrases H: 301-311-331 P: 261-280-301 + 310-311
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Erbium (III) fluoride is an inorganic chemical compound of erbium from the group of fluorides .

Extraction and presentation

Erbium (III) fluoride can be obtained by reacting erbium with fluorine .

${\displaystyle \mathrm {2\ Er+3\ F_{2}\longrightarrow 2\ ErF_{3}} }$

Alternatively, it can also be produced by reacting hydrofluoric acid with erbium (III) chloride .

properties

Erbium (III) fluoride is an odorless pink solid that is insoluble in water. It has an orthorhombic crystal structure with the space group Pnma (space group no. 62) .

Individual evidence

1. ↑ ^{a b c d e} Jean de Ans, Ellen Lax: Taschenbuch Fur Chemiker And Physiker: Volume 3: Elements, Inorganic ... Springer DE, 1998, ISBN 3-540-60035-3 , p. 444 ( limited preview in Google Book search).
2. ↑ ^{a b} american elements : American Elements: Erbium Fluoride Supplier & Tech Info
3. ↑ ^{a b c} Datasheet Erbium (III) fluoride, anhydrous, powder, 99.99% trace metals basis from Sigma-Aldrich , accessed on January 3, 2013 ( PDF ).
4. ↑ chemical reaction data: WebElements Periodic Table of the Elements | Erbium | chemical reaction data
5. ↑ J. Herzfeld, Otto Korn: Chemistry of the rare earths . BoD - Books on Demand, 2012, ISBN 3-86444-397-0 , p. 90 ( limited preview in Google Book search).