1-Butyl-1-methylpiperidinium bis(trifluoromethylsulfonyl)imide, CAS: 623580-02-9

Key Applications:

Electrochemical Systems

• High‑voltage electrolytes for lithium, sodium, and magnesium batteries, leveraging the wide electrochemical stability window of piperidinium–TFSI salts.
• Ionic liquid electrolytes for supercapacitors and hybrid capacitors requiring low volatility and high thermal stability.
• Electrolyte additives to improve interfacial stability, suppress dendrite formation, and enhance cycling performance in next‑generation metal‑anode systems.

High‑Temperature & Harsh‑Environment Media

• Heat‑resistant ionic liquid matrices for processes operating above 150–200^\circC where conventional organic solvents degrade.
• Stable media for high‑temperature spectroscopy and analytical methods requiring non‑volatile, chemically inert solvents.
• Thermally robust lubricants and anti‑wear additives for extreme‑environment tribology.

Catalysis & Synthesis

• Non‑coordinating reaction media for transition‑metal catalysis, especially where TFSI⁻ enhances catalyst lifetime.
• Solvent or co‑solvent for halide‑sensitive transformations and organometallic reactions.
• Phase‑transfer medium in biphasic systems requiring hydrophobic, non‑nucleophilic ionic liquids.

Separation & Extraction

• Selective extraction of metal ions, particularly hydrophobic complexes of rare‑earth or transition metals.
• Solvent systems for liquid–liquid extraction where low miscibility with water and high chemical stability are advantageous.
• CO₂ capture and gas‑absorption studies, leveraging the tunable viscosity and hydrophobicity of the piperidinium–TFSI framework.

Materials Science & Surface Engineering

• Template or structuring agent in polymer and nanoparticle synthesis, enabling controlled morphology and conductivity.
• Plasticizer or ionic dopant for polymer electrolytes, ion gels, and flexible electronic materials.
• Surface‑modification medium for creating hydrophobic, ion‑conductive coatings.

Industrial & Engineering Uses

• Hydrophobic ionic liquid lubricant base stocks for aerospace, vacuum, and high‑temperature mechanical systems.
• Dielectric fluids in specialized electronics requiring low flammability and high breakdown strength.
• Antistatic and charge‑control additives in polymer processing and advanced manufacturing.

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