1-Methyl-3-tetradecylimidazolium tetrafluoroborate, CAS: 244193-61-1

Key Applications:

1. Phase‑Transfer and Biphasic Catalysis

• Acts as a hydrophobic ionic liquid phase for transition‑metal catalysis.
• Enhances mass transfer between aqueous and organic phases.
• Useful in hydrogenation, alkylation, and carbon–carbon coupling reactions where immobilized catalysts benefit from a non‑volatile ionic medium.

2. Surfactant and Self‑Assembly Applications

• Forms micelles, vesicles, and ordered nanostructures due to its long alkyl chain.
• Applied in templating mesoporous materials, nanoparticle stabilization, and controlled‑release matrices.
• Supports formation of lyotropic liquid crystalline phases.

3. Electrochemical Media

• Serves as a stable electrolyte or co‑solvent in electrochemical systems requiring hydrophobic ionic liquids.
• Suitable for electrodeposition of metals and semiconductors in water‑sensitive environments.
• Provides wide electrochemical windows and low vapor pressure.

4. Extraction and Separation Processes

• Effective in liquid–liquid extraction of hydrophobic organics, dyes, and metal complexes.
• Long alkyl chain improves selectivity for nonpolar analytes.
• Can be used in supported ionic liquid membranes (SILMs) for gas separation or organic vapor transport.

5. Lubrication and Anti‑Wear Additives

• Hydrophobicity and strong surface adsorption make it a candidate for boundary lubrication.
• Reduces friction and wear in metal–metal and metal–polymer contacts.
• Useful in high‑temperature or vacuum environments where conventional lubricants fail.

6. Nanomaterials and Colloid Stabilization

• Acts as a stabilizing agent for nanoparticles (Au, Ag, Fe₃O₄, etc.).
• Controls particle size and prevents aggregation through electrostatic and steric effects.
• Supports ionic‑liquid‑assisted synthesis of nanostructures.

7. Solvent for Organic Transformations

• Provides a non‑volatile, tunable medium for reactions involving hydrophobic substrates.
• Enhances solubility of long‑chain organics and polymers.
• Useful in polymerization reactions, including cationic and radical processes.

8. Antimicrobial and Antifouling Research

• Long‑chain imidazolium salts often exhibit strong antimicrobial activity.
• Investigated for coatings, surface treatments, and controlled‑release antimicrobial systems.
• BF₄⁻ anion provides moderate hydrophobicity without excessive viscosity.

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