N-Ethyl-N-methyl-N-propylammonium perfluorobutanesulfonate, CAS: 1186599-90-5

Key Applications:

Electrochemical Systems

• Serves as a hydrophobic supporting electrolyte in nonaqueous electrochemical cells where low water affinity and high oxidative stability are required.
• Used in voltammetric studies of redox‑active species, particularly in fluorinated or aprotic solvent systems.
• Enhances ionic conductivity in mixed‑solvent electrolytes for specialized battery and capacitor research.

Ionic Liquid and Deep Eutectic Solvent Formulations

• Functions as a fluorinated anion source for tailoring polarity, viscosity, and electrochemical windows in custom ionic liquid blends.
• Applied in the design of task‑specific ionic media for catalysis, separations, and high‑stability solvent systems.

Phase‑Transfer and Catalysis

• Acts as a quaternary ammonium phase‑transfer catalyst in biphasic organic–aqueous reactions, especially where hydrophobicity and thermal stability are advantageous.
• Supports fluorinated reaction environments and facilitates nucleophilic substitution, alkylation, and anion‑exchange processes.

Surfactant and Fluorinated Media Applications

• Provides controlled interfacial behavior in fluorinated or mixed‑polarity systems due to its perfluorobutanesulfonate anion.
• Used in micelle formation, dispersion stabilization, and formulation of fluorinated emulsions for research applications.

Analytical Chemistry

• Employed as an ion‑pairing reagent in chromatography and mass spectrometry for analytes requiring enhanced retention or signal stability in fluorinated mobile phases.
• Useful in method development for analytes sensitive to moisture or requiring low‑nucleophilicity counterions.

Materials Science

• Incorporated into polymer matrices or coatings to impart hydrophobicity, ionic conductivity, or chemical resistance.
• Supports fabrication of thin films and membranes where fluorinated anions improve thermal and oxidative robustness.

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