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Chemical compound From Wikipedia, the free encyclopedia
Tetrabutylammonium hexafluorophosphate is a salt with the formula NBu4PF6. It is a white powder that is used as an electrolyte in nonaqueous electrochemistry. It is highly soluble in polar organic solvents such as acetone and acetonitrile.
Names | |
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IUPAC name
Tetrabutylammonium hexafluorophosphate | |
Other names
1-Butanaminium, N,N,N-tributyl-, hexafluorophosphate(1-) | |
Identifiers | |
3D model (JSmol) |
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ChemSpider | |
ECHA InfoCard | 100.019.520 |
PubChem CID |
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CompTox Dashboard (EPA) |
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Properties | |
C16H36F6NP | |
Molar mass | 387.4279 g·mol−1 |
Appearance | white powder |
Melting point | 244–246 °C (471–475 °F; 517–519 K) |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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The salt consists of a positively charged tetrabutylammonium, a quaternary ammonia cation and a weakly basic hexafluorophosphate anion. These species are chemically inert, which allows the salt to serve as an inert electrolyte over a wide potential range. Given the sensitivity of electrochemical experiments, this salt is usually further purified, e.g., by recrystallization from aqueous or absolute ethanol.[1]
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