Basic beryllium acetate
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| Names | |
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Systematic IUPAC name
Hexakis(μ-acetato)-μ(sup 4)-oxotetraberyllium
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| Other names
Beryllium oxyacetate
Beryllium oxide acetate |
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| Identifiers | |
| ChemSpider | |
| ECHA InfoCard | 100.038.881 |
| EC Number | 242-785-4 |
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PubChem CID
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| Properties | |
| C 12H 18Be 4O 13 |
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| Molar mass | 406.3122 g/mol |
| Appearance | colorless |
| Melting point | 285 °C (545 °F; 558 K) |
| Boiling point | 330 °C (626 °F; 603 K) |
| Solubility in chloroform | soluble |
| Hazards | |
| US health exposure limits (NIOSH): | |
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PEL (Permissible)
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TWA 0.002 mg/m3 C 0.005 mg/m3 (30 minutes), with a maximum peak of 0.025 mg/m3 (as Be) |
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REL (Recommended)
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Ca C 0.0005 mg/m3 (as Be) |
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IDLH (Immediate danger)
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Ca [4 mg/m3 (as Be)] |
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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 (what is   ?) |
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| Infobox references | |
Basic beryllium acetate is the chemical compound with the formula Be4O(O2CCH3)6. Although this compound has no applications and has been only lightly studied, it adopts a distinctive structure. The compound is a colourless solid that is soluble in organic solvents.
It can be prepared by treating basic beryllium carbonate with hot acetic acid.
Basic beryllium acetate is insoluble in water but soluble in chloroform, consistent with it being nonpolar. It melts and sublimes in a vacuum without decomposition.
"Basic acetates" consist of an ensemble of metal centres bound to a central oxide ion, and a collection of acetate ligands. Basic beryllium acetate has a tetrahedral Be4O6+ core with acetates (CH3CO2−) spanning each of the pairs of Be2+ centres. It is diamondoid, consisting of interlocking six-membered Be2O3C rings. The structure is relevant to its considerable stability (the compound is distillable at 330 °C).
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