1-Propyl-3-methylpyridinium bis(trifluoromethylsulfonyl)imide, CAS: 817575-06-7

Key Applications:

Electrochemical Systems

• Suitable as a high‑stability electrolyte component in lithium, sodium, and multivalent ion batteries due to its wide electrochemical window and low volatility.
• Employed in supercapacitor electrolytes where low viscosity relative to longer‑chain pyridinium ILs improves ion mobility.
• Utilized in electrodeposition baths for controlled metal plating, particularly where moisture‑free, thermally stable media are required.

Thermal and Process Engineering

• Functions as a heat‑transfer and thermal‑storage medium in systems requiring high thermal stability and non‑flammability.
• Serves as a solvent for high‑temperature synthesis, catalytic transformations, and polymerization reactions.

Separation Science

• Applied as a tunable extraction phase for metal ions, hydrophobic organics, and fluorinated compounds.
• Used in supported ionic liquid membranes (SILMs) for gas separations, especially CO₂‑selective transport, leveraging the TFSI⁻ anion’s affinity and the cation’s moderate hydrophobicity.

Materials and Surface Science

• Acts as a structuring agent or dopant in polymer electrolytes, ionogels, and conductive composites.
• Supports nanoparticle stabilization and controlled growth in non‑aqueous colloidal systems.

Analytical and Spectroscopic Applications

• Provides a low‑volatility, high‑purity matrix for electroanalytical studies and spectroscopic measurements requiring inert, moisture‑resistant media.
• Used as a calibration or reference medium in studies comparing pyridinium‑based IL families.

Lubrication and Tribology

• Functions as a high‑temperature, low‑volatility lubricant or lubricant additive, offering stable boundary‑film formation and reduced wear under demanding conditions.

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