1-Methyl-3-propylimidazolium bis(trifluoromethylsulfonyl)imide, CAS: 216299-72-8

Key Applications: 

Electrochemical Systems

• High‑conductivity electrolyte component for lithium, sodium, and multivalent battery research.
• Electrolyte additive to improve SEI formation, widen electrochemical windows, and enhance cycling stability.
• Ionic‑liquid‑based supercapacitors requiring low volatility and high ionic mobility.
• Electrodeposition medium for metals and alloys in water‑free, thermally stable environments.
• High‑performance lithium metal battery electrolytes, including systems for electric vehicles and renewable‑energy storage.

Catalysis and Synthesis

• Non‑volatile reaction solvent for transition‑metal catalysis, organocatalysis, and photochemical transformations.
• Medium for biphasic catalysis enabling clean phase separation and catalyst recycling.
• Stabilizing environment for reactive intermediates due to the weakly coordinating TFSI anion.

Thermal and Process Engineering

• Heat‑transfer and thermal‑storage fluid for high‑temperature systems requiring stability and non‑flammability.
• Solvent for high‑temperature polymerizations and controlled radical processes.
• Plasticizer or processing aid for specialty polymers requiring ionic conductivity or improved flexibility.
• Azeotropic mixture separation, leveraging the ionic liquid’s tunable solvation and negligible vapor pressure.

Separation Science

• Extraction solvent for metal ions, lanthanides, and actinides in hydrometallurgy and nuclear‑fuel‑cycle research.
• CO₂ capture medium leveraging tunable solvation properties.
• Chromatographic ionic‑liquid additive to adjust selectivity and retention in GC and LC methods.
• Phenolic compound extraction and water purification, including removal of phenols, dyes, and other recalcitrant organics.

Materials and Surface Science

• Template or structuring agent in nanoparticle synthesis for controlled morphology.
• Surface‑modification medium for ion‑conductive or anti‑static coatings.
• Binder or dispersant in conductive inks and printable electronics.

Specialty and Emerging Applications

• Electrolyte for ionic‑liquid‑gated transistors and soft ionotronic devices.
• Medium for protein or biomolecule stabilization in non‑aqueous environments (research‑stage).
• Solvent for spectroscopic studies requiring low vapor pressure and broad transparency windows.

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