Europium (III) chloride

Crystal structure
__ Eu 3+      __ Cl -
Crystal system	hexagonal
Space group	P 6 3 / m (No. 176)
Coordination numbers	Eu [9], Cl [3]
General
Surname	Europium (III) chloride
other names	Europium trichloride
Ratio formula	EuCl 3
Brief description	yellow powder
External identifiers / databases
CAS number 10025-76-0 13759-92-7 (hexahydrate) EC number 233-040-4 ECHA InfoCard 100.030.025 PubChem 24809 Wikidata Q418517
properties
Molar mass	258.32 g mol −1
Physical state	firmly
density	4.89 g cm −3  (25 ° C)
Melting point	850 ° C
safety instructions
GHS labeling of hazardous substances no GHS pictograms H and P phrases H: no H-phrases P: no P-phrases
Toxicological data	3,527 mg kg −1 ( LD 50 ,  mouse ,  oral )
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Europium (III) chloride is a chemical compound from the group of chlorides .

Extraction and presentation

Europium (III) chloride can be obtained directly by reacting europium with chlorine .

${\displaystyle \mathrm {2\ Eu+3\ Cl_{2}\longrightarrow 2\ EuCl_{3}} }$

properties

Europium (III) chloride

Europium (III) chloride is a yellow, hygroscopic powder. It has a hexagonal crystal structure with the space group P 6 ₃ / m (space group no. 176) . Near the melting point it begins to decompose into chlorine and europium (II) chloride.

use

Europium (III) chloride can be used to make other chemical compounds such as europium (II) chloride and europium complex compounds.

Individual evidence

1. ^ ^{A b} Jean D'Ans, Ellen Lax: Paperback for chemists and physicists . 2007, ISBN 978-3-540-60035-0 , pp. 446 ( limited preview in Google Book search).
2. ↑ ^{a b c d e} data sheet Europium (III) chloride, anhydrous, powder, 99.99% trace metals basis from Sigma-Aldrich , accessed on April 27, 2012 ( PDF ).
3. ↑ Web elements: Europium
4. ↑ Pyrochemical Separations. Workshop Proceeding, Avignon, France, 14-15 March 2000 - Thermodynamics of EuCl ₃ . OECD, 2001, ISBN 978-92-64-18443-5 , pp. 101 ( limited preview in Google Book search).
5. ↑ James H. Dickerson, Aldo R. Boccaccini: Electrophoretic Deposition of Nanomaterials . Springer New York, 2011, ISBN 978-1-4419-9690-9 , pp. 138 ( limited preview in Google Book search).
6. ↑ Inorganic Syntheses . Wiley-Interscience, 2006, ISBN 978-0-470-13265-4 , pp. 71 ( limited preview in Google Book search).