1-Methyl-3-octadecylimidazolium bis(trifluoromethylsulfonyl)imide, CAS: 404001-51-0

Key Applications

Advanced Materials and Interfaces

• Serves as a hydrophobic ionic liquid for constructing low‑surface‑energy interfaces and anti‑wetting coatings.
• Enables formation of ordered self‑assembled monolayers and surface‑active films due to its long C18 alkyl chain.
• Used in tailoring interfacial slip, lubrication, and friction behavior in tribology research.

Electrochemical Systems

• Functions as a non‑volatile, electrochemically stable electrolyte component for high‑temperature or moisture‑sensitive systems.
• Supports ion transport in devices requiring hydrophobic, low‑conductivity ionic matrices such as specialized capacitors or electrochemical actuators.
• Applied in electrode surface modification to improve stability and suppress parasitic reactions.

Nanomaterials and Colloids

• Acts as a structure‑directing agent for synthesizing nanoparticles, nanorods, and mesostructured materials.
• Provides steric stabilization for hydrophobic colloids and dispersions.
• Used in templating soft materials where long‑chain amphiphilic ionic liquids influence morphology.

Separation Science

• Serves as a hydrophobic extraction phase for metal ions, organic molecules, and hydrophobic analytes.
• Applied in biphasic catalysis and solvent extraction systems requiring low miscibility with water.
• Supports selective partitioning in membrane‑based separations and supported liquid membranes.

Catalysis and Organic Synthesis

• Provides a tunable, non‑volatile reaction medium for transformations benefiting from hydrophobic ionic environments.
• Enhances catalyst lifetime and selectivity in biphasic systems by reducing catalyst leaching.
• Used in immobilizing homogeneous catalysts on hydrophobic surfaces.

Surfactant and Amphiphilic Applications

• Functions as a cationic surfactant with strong hydrophobic character, enabling micelle formation in non‑aqueous media.
• Applied in emulsification, dispersion, and stabilization of hydrophobic phases.
• Useful in designing ionic‑liquid‑based gels, soft materials, and amphiphilic assemblies.

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