1-Hexylpyridinium hexafluorophosphate, CAS: 797789-00-5

Key Applications

Electrochemical Systems

• Serves as a high‑stability electrolyte component in electrochemical cells requiring wide electrochemical windows.
• Supports enhanced ionic conductivity in supercapacitors and advanced capacitor prototypes.
• Useful in electrodeposition studies where hydrophobic ionic liquids improve metal film uniformity and reduce side reactions.

Catalysis and Synthesis

• Functions as a non‑volatile, thermally stable reaction medium for transition‑metal‑catalyzed transformations.
• Enables biphasic catalysis where phase separation simplifies product isolation.
• Suitable for nucleophilic substitution and alkylation reactions where low water content and high purity are essential.

Separation Science

• Applied in liquid–liquid extraction systems for selective separation of metal ions, particularly in hydrophobic extraction regimes.
• Supports chromatographic method development as a stationary‑phase modifier or ion‑pairing agent.
• Useful in tailoring solvent polarity for partitioning studies involving hydrophobic analytes.

Materials and Surface Science

• Employed in the fabrication of ionic‑liquid‑based polymer composites and ionogels.
• Enhances dispersion and stabilization of nanoparticles in non‑aqueous media.
• Utilized in surface modification protocols where ionic liquid layers improve corrosion resistance or alter interfacial charge.

Spectroscopy and Analytical Chemistry

• Provides a low‑volatility, low‑background matrix for spectroscopic measurements.
• Suitable as a solvent for electrochemical spectroscopy, enabling stable measurements at elevated temperatures.
• Supports analyte solubilization in NMR and UV‑Vis studies where conventional solvents are incompatible.

Energy and Thermal Applications

• Acts as a heat‑transfer medium in systems requiring thermal stability and low vapor pressure.
• Useful in evaluating ionic‑liquid‑based electrolytes for next‑generation battery chemistries.
• Supports thermal decomposition and stability studies due to its robust PF6– anion.

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