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]
| Names | |
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| IUPAC name
Tribromoeuropium
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| Identifiers | |
3D model (JSmol)
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| ECHA InfoCard | 100.033.939 |
| EC Number |
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PubChem CID
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CompTox Dashboard (EPA)
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| Properties | |
| EuBr3 | |
| Molar mass | 391.68 g[1] |
| Melting point | 702 °C (1,296 °F; 975 K)[1] |
| Will dissolve[2] | |
| Thermochemistry | |
Std molar
entropy (S⦵298) |
50.7 ± 3[3] |
Std enthalpy of
formation (ΔfH⦵298) |
-186.1 ± 3[3] |
Gibbs free energy (ΔfG⦵)
|
-179.3 ± 3[3] |
| Hazards | |
| GHS labelling: | |
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| 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) | |
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
editWhen vaporized, europium(III) bromide reacts by the equation:
Europium(III) bromide is also created through the equations:
- 4 EuBr2 + 4 HBr → 4 EuBr3 + 2 H2[7]
References
edit- ^ a b Elements, American. "Europium(III) Bromide". American Elements. Retrieved 21 December 2016.
- ^ a b c Phillips, Sidney L.; Perry, Dale L. (1995). Handbook of inorganic compounds. Boca Raton: CRC Press. p. 159. ISBN 9780849386718.
- ^ a b c d Haschke, John M. "The phase equilibria, vaporization behavior, and thermodynamic properties of europium tribromide". University of Michigan. Department of Chemistry, University of Michigan. Retrieved 23 December 2016.
- ^ a b "Europium(III) Bromide" (PDF). Prochem. Archived from the original (PDF) on 30 May 2019. Retrieved 21 December 2016.
- ^ "Europium(III) bromide hydrate, White crystalline, Reaction, 99.99% (REO)". www.fishersci.com. Retrieved 21 December 2016.
- ^ "Europium (III) Bromide | 13759-88-1". www.chemicalbook.com. Retrieved 21 December 2016.
- ^ a b "Hydrogen Production Options for Water-Cooled Nuclear Power Plants International Conference on Non-Electric Applications of Nuclear Power" (PDF). Argonne. Retrieved 23 December 2016.