Tetrafluoroborate
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Tetrafluoroborate is an anion, a chemical with a negative electrical charge, made of boron and fluorine. It has the chemical formula BF−
4.
Tetrafluoroborate is the Lewis adduct of boron trifluoride and the fluoride ion. Tetrafluoroborate is a weakly coordinating anion, so it does not react with many other chemicals. This makes it useful for making salts and solutions containing unstable cations.
Tetrafluoroborate Media
The structure of the tetrafluoroborate anion, BF−
4
