Potassium tetraphenylborate
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Potassium tetraphenylborate
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| Potassium tetraphenylborate | |
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Potassium tetraphenylboranuide |
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| Identifiers | |
| CAS number | 3244-41-5 |
| PubChem | 6432333 |
| ChemSpider | 4937589  |
| Jmol-3D images | Image 1 |
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| Properties | |
| Molecular formula | C24H20BK |
| Molar mass | 358.3249 |
 (verify) (what is:  / ?)Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) |
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| Infobox references | |
Potassium tetraphenylborate (IUPAC name: Potassium tetraphenylboranuide) (KBC24H20 or KBPh4) is a water-insoluble salt of potassium (1.8×10-4 g/L). It is, however, soluble in organic solvents.
The insolubility of this compound has been used to determine the concentration of potassium ions by precipitation and gravimetric analysis:[1]
- K+ (aq) + B(Ph)4− (aq) → KB(Ph)4 (s)
References
- ^ Engelbrecht, R. M.; McCoy, F. A. (1956). "Determination of Potassium by Tetraphenylborate Method". Acc. Chem. Res. 28 (11): 1772. doi:10.1021/ac60119a040.
External links
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