Europium(II) fluoride

Europium(II) fluoride
Identifiers
CAS Number	14077-39-5 ;
3D model (JSmol)	Interactive image;
ChemSpider	13834724;
ECHA InfoCard	100.203.721
PubChem CID	21225127;
CompTox Dashboard (EPA)	DTXSID00611473;
	InChI InChI=1S/Eu.2FH/h;2*1H/q+2;;/p-2 Key: YLDGIMHVWSTRML-UHFFFAOYSA-L;
	SMILES [F-].[F-].[Eu+2];
Properties
Chemical formula	EuF2
Molar mass	189.96
Appearance	dark yellowish solid
Density	6.495 g·cm−3
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H301
Precautionary statements	P264, P270, P301+P310, P321, P330, P405, P501
Related compounds
Related compounds	europium(III) fluoride
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Europium(II) fluoride is an inorganic compound with a chemical formula EuF₂. It was first synthesized in 1937.^[1]

Production

Europium(II) fluoride can be produced by reducing europium(III) fluoride with metallic europium or hydrogen gas^[2]

\mathrm {2\ EuF_{3}+Eu\longrightarrow 3\ EuF_{2}}

\mathrm {2\ EuF_{3}+H_{2}\longrightarrow 2\ EuF_{2}+2\ HF}

Europium(II) fluoride is a bright yellowish solid with a fluorite structure.^[2]

^ ^a ^b Zhao Yongzhi, Ma Ying, Hou Shaochun, Zhang Wenjuan, Wang Jingjing, Ding Yanrong, Hao Yifan. 氟化亚铕研究现状 (lit. Research Progress of Europium(II) Fluoride). Chinese Rare Earths, 2017. 38 (5): 134-140. (in Chinese)
^ ^a ^b Georg Brauer: Handbuch der Präparativen Anorganischen Chemie. 3., umgearb. Auflage. Band I. Enke, Stuttgart 1975, ISBN 3-432-02328-6, S. 255.