Hexadecyltrimethylammonium bis(trifluoromethylsulfonyl)imide, CAS: 1031250-01-7

Key Applications:

Surfactants, Self‑Assembly & Soft Materials

• Functions as a cationic surfactant with strong hydrophobic character, enabling micelle, vesicle, and bilayer formation in aqueous and mixed‑solvent systems.
• Supports nanostructured soft‑matter design, including templated mesoporous materials and controlled self‑assembly of amphiphilic systems.
• Used in colloidal stabilization and interfacial engineering where low water activity and high thermal stability are required.

Electrochemical Systems & Ionic Interfaces

• Serves as a hydrophobic ionic liquid surfactant for modifying electrode surfaces and tuning double‑layer behavior.
• Employed in electrodeposition, interfacial charge‑transfer studies, and ion‑transport modulation in low‑polarity media.
• Useful in non‑aqueous electrolyte formulations where long‑chain cations enhance viscosity, interfacial adhesion, or film formation.

Phase‑Transfer & Catalysis

• Acts as a phase‑transfer catalyst for reactions involving hydrophobic substrates or biphasic organic/ionic liquid systems.
• Enhances reaction rates and selectivity in nucleophilic substitutions, oxidations, and metal‑catalyzed transformations requiring strong ion pairing.

Antimicrobial & Biochemical Systems

• Long‑chain quaternary ammonium cations exhibit broad antimicrobial activity, enabling use in disinfectant formulations, membrane‑disruption studies, and controlled‑release systems.
• Supports biophysical investigations of lipid–surfactant interactions and protein denaturation in low‑water environments.

Materials Science & Nanostructure Control

• Used as a structure‑directing agent in nanoparticle synthesis, including metal, metal oxide, and semiconductor nanomaterials.
• Facilitates surface functionalization of nanoparticles and polymers, improving dispersion in hydrophobic matrices.
• Supports fabrication of ionically conductive polymer blends and hybrid organic–inorganic materials.

Thermal & Chemical Stability Applications

• The TFSI⁻ anion provides exceptional thermal and electrochemical stability, enabling use in high‑temperature surfactant systems, molten‑salt analogues, and solvent‑free ionic assemblies.
• Suitable for low‑volatility formulations and high‑performance lubricants where ionic amphiphiles improve boundary‑layer behavior.

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