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Europium(III) bromide

Chemical compound From Wikipedia, the free encyclopedia

Europium(III) bromide (or europium tribromide) is a crystalline compound, a salt, made of one europium and three bromine atoms.[2] Europium tribromide is a grey powder at room temperature.[2] It is odorless.[5] Europium tribromide is hygroscopic.[6]

Quick Facts Names, Identifiers ...
Europium(III) bromide
Names
IUPAC name
Tribromoeuropium
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.033.939
EC Number
  • 237-349-5
  • InChI=1S/3BrH.Eu/h3*1H;/q;;;+2/p-3
    Key: GJTREPCQBHSSHK-UHFFFAOYSA-K
  • [Eu+2].[Br-].[Br-].[Br-]
Properties
EuBr3
Molar mass 391.68 g[1]
Melting point 702 °C (1,296 °F; 975 K)[1]
Will dissolve[2]
Thermochemistry
50.7 ± 3[3]
−186.1 ± 3[3]
−179.3 ± 3[3]
Hazards
GHS labelling:
GHS07: Exclamation mark
Warning
H315, H319, H335[4]
P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P362, P403+P233[4]
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 0: Exposure under fire conditions would offer no hazard beyond that of ordinary combustible material. E.g. sodium chlorideFlammability 1: Must be pre-heated before ignition can occur. Flash point over 93 °C (200 °F). E.g. canola oilInstability 1: Normally stable, but can become unstable at elevated temperatures and pressures. E.g. calciumSpecial hazards (white): no code
0
1
1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Reactions

When vaporized, europium(III) bromide reacts by the equation:

  • 2 EuBr3 → 2 Eu + 3 Br2[3][7]

Europium(III) bromide is also created through the equations:

  • 4 EuBr2 + 4 HBr → 4 EuBr3 + 2 H2[7]

References

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