1-Methyl-3-tetradecylimidazolium chloride, CAS: 171058-21-2

Key Applications:

1. Surfactant and Self‑Assembly Systems

• Functions as a cationic surfactant ionic liquid with strong micelle formation driven by the C14 alkyl chain.
• Used to tune critical micelle concentration (CMC) and study aggregation behavior in colloid and interface science.
• Supports formation of vesicles, wormlike micelles, and lyotropic liquid crystalline phases in soft‑matter research.

2. Solvent and Co‑solvent in Organic and Catalytic Systems

• Enhances phase transfer in biphasic catalytic reactions where hydrophobic–hydrophilic balance is critical.
• Serves as a medium for metal‑catalyzed transformations, ionic polymerizations, and acid/base catalysis.
• Useful in extraction systems where long‑chain ionic liquids improve selectivity for hydrophobic analytes.

3. Antimicrobial and Antifungal Formulations (Research Use)

• Long‑chain imidazolium salts exhibit broad‑spectrum antimicrobial activity, enabling:
  • Mechanistic antimicrobial studies
  • Development of ionic‑liquid‑based disinfectant prototypes
  • Investigations of membrane disruption in microbiology
• Research‑grade only; not for clinical or consumer applications.

4. Nanomaterials and Surface Modification

• Acts as a structure‑directing agent in nanoparticle synthesis (Au, Ag, Fe₃O₄, etc.).
• Provides surface passivation and hydrophobic coating, improving dispersion in nonpolar media.
• Supports templating of mesoporous materials and ionic‑liquid‑assisted self‑assembly.

5. Polymer and Composite Processing

• Functions as a compatibilizer in polymer blends due to its amphiphilic character.
• Improves dispersion of fillers such as graphene, carbon nanotubes, and silica in polymer matrices.
• Useful in ionic‑liquid‑assisted polymerization and as a plasticizing additive in specialty materials.

6. Biomass and Biorefinery Research

• Long‑chain imidazolium chlorides can disrupt lignocellulosic structures, enabling:
  • Pretreatment studies
  • Solubilization of lignin fragments
  • Evaluation of ionic‑liquid‑driven fractionation strategies
• Particularly relevant for hydrophobic‑rich biomass streams.

7. Analytical Chemistry and Separation Science

• Serves as a stationary‑phase modifier in chromatography (HPLC, CE).
• Enhances separation of hydrophobic analytes through ion‑pairing and surfactant‑like interactions.
• Useful in microemulsion electrokinetic chromatography (MEEKC).

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