Tetraethylammonium tetrafluoroborate is the tetrafluoroborate salt of the tetraethylammonium cation, supplied as a white, hygroscopic crystalline powder. It is used as a supporting electrolyte, phase-transfer reagent, and source of tetraalkylammonium cations in organic and electrochemical synthesis. Handle with appropriate protective measures because of irritant and aquatic toxicity hazards.
- CAS number 429-06-1.
- Molecular weight 217.06 g/mol.
- Chemical formula C8H20BF4N.
- Physical form white, hygroscopic crystalline powder.
- Typical uses include supporting electrolyte, phase-transfer reagent, and reagent in electrochemical and organic synthesis.
- Purity ≥99.0% (assay by titration).
- Hazards include skin and eye irritation and toxicity to aquatic life.