1-Methyl-3-tetradecylimidazolium hexafluorophosphate, CAS: 219947-94-1

Key Applications:

1. Phase‑Transfer and Biphasic Catalysis

• Functions as a hydrophobic ionic liquid phase for reactions requiring separation between organic and polar domains.
• Enhances rates of nucleophilic substitutions, alkylations, and metal‑mediated transformations by improving reagent partitioning.
• Useful in continuous‑flow or recirculating reactor designs where phase retention and low volatility are essential.

2. Surfactant, Self‑Assembly, and Interfacial Engineering

• Long C14 alkyl chain promotes micelle, vesicle, and lamellar structure formation in mixed solvent systems.
• Applied in templating soft materials, directing nanoparticle growth, and stabilizing emulsions under high‑ionic‑strength conditions.
• Supports formation of ordered thin films and interfacial layers for coatings and surface modification.

3. Electrochemical and Ion‑Transport Media

• PF₆⁻ anion provides wide electrochemical stability and low coordinating character, enabling use in specialized electrochemical cells.
• Serves as a hydrophobic electrolyte component for interfacial charge‑transfer studies, ion‑exchange membranes, and ionic‑liquid‑modified electrodes.
• Suitable for evaluating ion mobility and dielectric behavior in low‑volatility, high‑resistivity media.

4. Solvent and Extraction Applications

• Effective for liquid–liquid extraction of aromatic compounds, metal ions, and hydrophobic organics due to strong solvating power and phase immiscibility.
• Supports selective extraction workflows where long‑chain imidazolium cations improve partition coefficients and reduce cross‑contamination.
• Useful in separations involving polycyclic aromatics, dyes, and hydrophobic pollutants.

5. Nanomaterials and Colloid Stabilization

• Acts as a structure‑directing agent for metal, metal‑oxide, and semiconductor nanoparticles.
• Provides steric stabilization in dispersions where long‑chain ionic liquids prevent aggregation under thermal or ionic stress.
• Enables fabrication of IL‑coated nanoparticles for catalysis, sensing, and optical materials.

6. Lubrication and Surface Protection

• Hydrophobic, low‑volatility ionic liquid suitable for boundary‑layer lubrication on metals, ceramics, and polymer surfaces.
• Forms durable interfacial films that reduce friction and wear in high‑load or high‑temperature environments.
• Can be blended with base oils or used as an additive for enhanced thermal stability.

7. Polymer and Materials Processing

• Functions as a plasticizer or compatibilizer in hydrophobic polymer matrices.
• Enhances dispersion of fillers, pigments, and nanomaterials in polymer blends.
• Useful in preparing ionically conductive composites and IL‑modified elastomers.

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