Actinium(III) bromide
Chemical compound
From Wikipedia, the free encyclopedia
Actinium(III) bromide is a radioactive white crystalline solid that is a salt of actinium. It is prepared by reacting actinium(III) oxide with aluminium bromide at 750 °C.[1]
| Names | |
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| Other names
Actinium tribromide | |
| Identifiers | |
3D model (JSmol) |
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| ChemSpider | |
PubChem CID |
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CompTox Dashboard (EPA) |
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| Properties | |
| AcBr3 | |
| Molar mass | 466.74 g/mol |
| Appearance | White crystalline solid |
| Density | 5.85 g/cm3 |
| Melting point | 827 °C (1,521 °F; 1,100 K) |
| Boiling point | 1,597 °C (2,907 °F; 1,870 K) |
| soluble | |
| Structure | |
| hexagonal, hP8[2] | |
| Related compounds | |
Other anions |
Actinium(III) chloride |
Other cations |
Lanthanum(III) bromide |
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 treated with a mixture of gaseous ammonia and water vapor at 500 °C, it turns into actinium oxybromide.[3]
