Tetraethylammonium Tetrafluoroborate, CAS: 429-06-1

Key Applications:

Electrochemical Systems

• Serves as a supporting electrolyte in non‑aqueous electrochemical studies, providing high ionic conductivity and wide electrochemical stability.
• Used in cyclic voltammetry, chronoamperometry, and electrode kinetics research where a non‑coordinating cation is required.
• Enables stable ion transport in organic solvents such as acetonitrile, propylene carbonate, and DMF.

Battery and Energy Storage Research

• Functions as an electrolyte salt in prototype supercapacitors and experimental battery systems where BF₄⁻ anions offer good oxidative stability.
• Supports investigations into ion‑solvent interactions and transport mechanisms in emerging energy‑storage chemistries.

Ionic Liquid and Molten Salt Systems

• Acts as a precursor or dopant in the formulation of tetrafluoroborate‑based ionic liquids.
• Used to tune viscosity, conductivity, and thermal behavior in IL mixtures for electrochemical and separations research.

Phase‑Transfer and Catalysis

• Employed as a phase‑transfer electrolyte in organic synthesis where quaternary ammonium cations improve solubility and reaction rates.
• Useful in catalytic systems requiring weakly coordinating anions to minimize interference with active metal centers.

Analytical Chemistry

• Applied in ion‑pair chromatography and electrophoretic methods to adjust mobile‑phase ionic strength and selectivity.
• Supports mass spectrometry sample preparation where non‑nucleophilic salts are preferred.

Materials Science

• Incorporated into polymer electrolytes and conductive films to study ion mobility and dielectric behavior.
• Used in templating and self‑assembly studies where quaternary ammonium ions influence structural organization.

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