1-Hexylpyridinium triflate, CAS: 623167-81-7

Key Applications:

Solvent and Reaction Medium

• Functions as a hydrophobic ionic liquid with strong thermal and electrochemical stability, enabling use in moisture‑sensitive and high‑temperature transformations.
• Supports acid‑catalyzed reactions where the triflate anion provides low nucleophilicity and high stability.
• Useful for biphasic catalysis and extraction systems requiring tunable polarity and low volatility.

Electrochemical Systems

• Serves as a conductive medium for electrochemical studies, benefiting from the pyridinium cation’s stability and the triflate anion’s wide electrochemical window.
• Suitable for ion‑transport studies, electrodeposition research, and electrolyte formulation in prototype devices.

Materials Science and Polymer Processing

• Acts as a processing aid for polymers, particularly in systems requiring ionic plasticization or enhanced ion mobility.
• Supports the formation of ionogels and polymer–ionic liquid composites with improved mechanical and conductive properties.
• Useful in templating and nanostructuring applications where ionic liquids influence morphology and porosity.

Catalysis and Organic Synthesis

• Provides a non‑volatile, recyclable medium for Lewis and Brønsted acid‑driven transformations.
• Enhances selectivity in alkylation, esterification, and rearrangement reactions due to its polarity and low coordinating nature.
• Can solubilize both organic substrates and metal catalysts, enabling homogeneous catalytic systems.

Separation Science

• Employed in liquid–liquid extraction systems for selective partitioning of aromatic, sulfur‑containing, or metal‑ion species.
• Useful in chromatographic method development where ionic liquids modify retention behavior or act as mobile‑phase additives.

Thermal and Transport Studies

• Suitable for fundamental research on viscosity, ion mobility, and phase behavior in pyridinium‑based ionic liquids.
• Provides a model system for studying structure–property relationships in ionic liquids with medium‑length alkyl chains.

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