1-Dodecyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide, CAS: 404001-48-5

Key Applications:

1. High‑Stability Electrolytes for Energy Storage

• Serves as a hydrophobic ionic liquid electrolyte with wide electrochemical stability windows.
• Compatible with Li⁺, Na⁺, and multivalent systems when blended with salts or co‑solvents.
• Used in supercapacitors, ionic‑liquid‑gated transistors, and high‑temperature electrochemical devices where low volatility and thermal robustness are essential.
• The long C12 chain improves interfacial structuring at electrodes, enhancing charge transport in certain architectures.

2. Hydrophobic Solvent for Extraction & Separation

• Functions as a non‑volatile, hydrophobic extraction phase for metal ions, hydrophobic organics, and fluorinated species.
• TFSI⁻ provides low coordinating ability, enabling selective extraction without strong complexation.
• Useful in liquid–liquid extraction, ion‑exchange systems, and continuous-flow separations where solvent loss must be minimized.

3. Surface‑Active Ionic Liquid (SAIL) for Soft Materials

• The C12 tail imparts surfactant-like behavior, enabling micelle formation, emulsification, and interfacial modification.
• Applied in:
  • Nanoparticle stabilization
  • Template-directed synthesis of mesoporous materials
  • Polymer compatibilization and ionic plasticization
• Enhances self-assembly in block copolymers and ionic soft matter.

4. Lubrication & Tribology

• Hydrophobic, thermally stable IL suitable for boundary lubrication in metal–metal and metal–ceramic contacts.
• TFSI⁻ contributes to low friction coefficients and anti-wear film formation.
• Used in vacuum systems, high-temperature bearings, and precision mechanical assemblies where conventional oils degrade.

5. Antimicrobial and Biointerface Engineering

• Long-chain imidazolium cations exhibit broad-spectrum antimicrobial activity, especially against membrane-rich organisms.
• Applied in:
  • Antifouling coatings
  • Biofilm-resistant surfaces
  • Membrane disruption studies
• Hydrophobicity enhances surface retention and slow-release behavior.

6. Ionic Liquid Media for Catalysis

• Provides a non-coordinating, thermally stable reaction medium for acid-, base-, and metal-catalyzed transformations.
• Hydrophobicity enables biphasic catalysis, facilitating catalyst recycling and product separation.
• Useful in fluorinated chemistry, organometallic catalysis, and CO₂ activation studies.

7. Advanced Coatings & Functional Films

• Forms ordered ionic layers on metals, oxides, and carbon surfaces.
• Used in:
  • Corrosion-resistant coatings
  • Electrode surface modification
  • Thin-film ionic conductors
• The amphiphilic structure supports tunable wettability and ion transport pathways.

8. Template & Medium for Nanomaterials

• Supports synthesis of:
  • Metal nanoparticles
  • Carbon nanostructures
  • Hybrid organic–inorganic frameworks
• Acts as both solvent and structure-directing agent, especially in hydrophobic or fluorinated systems.

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