1-Methyl-3-pentylimidazolium tetrafluoroborate, CAS: 244193-49-5

Key Applications:

Electrochemical Systems

• Functions as a stable, low‑volatility electrolyte component for supercapacitors and advanced battery chemistries.
• Supports wide electrochemical windows, enabling high‑voltage operation in research‑grade cells.
• Useful as an ionic conductivity enhancer in mixed‑solvent electrolyte formulations.

Catalysis and Synthesis

• Serves as a tunable reaction medium for acid‑catalyzed and transition‑metal‑catalyzed transformations.
• Provides improved selectivity and rate enhancement in alkylation, esterification, and condensation reactions.
• Acts as a recyclable ionic medium for homogeneous catalysis workflows.

Separation Science

• Employed as a stationary‑phase modifier in liquid chromatography to adjust polarity and retention behavior.
• Useful in liquid–liquid extraction systems where hydrophobicity and ion‑pairing effects improve partitioning.
• Supports selective extraction of metal ions and organic analytes in analytical and preparative separations.

Materials and Polymer Processing

• Integrates into polymer matrices as a plasticizing or conductivity‑modifying additive.
• Enables fabrication of ion‑conductive films, membranes, and composite materials.
• Useful in templating or directing nanostructured materials due to its amphiphilic cation and stable anion.

Thermal and Solvation Applications

• Provides a thermally robust, non‑volatile medium for high‑temperature reactions and process intensification.
• Offers strong solvation for organics, metal salts, and catalytic species, supporting broad formulation flexibility.
• Suitable for use in microreactor and flow‑chemistry environments requiring stable ionic media.

Analytical and Spectroscopic Use

• Acts as a non‑volatile solvent for mass spectrometry sample preparation, particularly for thermally sensitive analytes.
• Supports electrochemical and spectroscopic studies where controlled ionic strength and low vapor pressure are required.

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