Europium(II) bromide

Names
IUPAC name Europium(II) bromide
Other names Europium dibromide
Identifiers
CAS Number	13780-48-8
3D model (JSmol)	Interactive image
ChemSpider	123117
ECHA InfoCard	100.206.203
PubChem CID	53249294
CompTox Dashboard (EPA)	DTXSID00160315
InChI InChI=1S/2BrH.Eu/h2*1H;/q;;+2/p-2 Key: PJVPGMOCWCUQHP-UHFFFAOYSA-L
SMILES BrBr
Properties
Chemical formula	EuBr2
Molar mass	311.77g[1]
Appearance	White Crystalline Solid
Structure
Crystal structure	SrBr2[2]
Coordination geometry	Mixed 8 and 7
Hazards
GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H315, H319[1]
Precautionary statements	P305+P351+P338[1]P264, P280, P302, P313, P321, P332, P337, P352, P362[3]
Related compounds
Other anions	Europium(II) chloride Europium(II) fluoride
Related compounds	Europium(III) bromide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references

Europium(II) bromide is a crystalline compound of one europium atom and two bromine atoms. Europium(II) bromide is a white powder at room temperature,^[4] and odorless.^[5] Europium dibromide is hygroscopic.^[6]

Reactions

Europium(II) bromide is known to be involved in three reactions:^[7]

2 EuBr₃ + Eu → 3 EuBr₂ (requires a temperature of 800-900 °C)

2 EuBr₃ → 2 EuBr₂ + Br₂ (requires a temperature of 900-1000 °C)

Eu + HgBr₂ → EuBr₂ + Hg (requires a temperature of 700-800 °C)

References