1-Butyl-1-methylpiperidinium tetrafluoroborate, CAS: 886439-34-5

Key Applications:

Electrochemical Systems

• Serves as a non‑volatile electrolyte or electrolyte additive in supercapacitors, lithium‑free metal batteries, and hybrid electrochemical devices.
• Enhances ionic conductivity and widens the electrochemical stability window in systems requiring stable BF₄⁻ anions.
• Supports electrode passivation and stable SEI formation in high‑voltage environments.

Corrosion Inhibition

• Functions as an effective corrosion‑inhibiting ionic liquid for steel, copper, and aluminum alloys in acidic or chloride‑rich environments.
• Forms protective adsorption layers on metal surfaces through cation–surface interactions and BF₄⁻‑mediated stabilization.
• Useful in industrial pickling, acid cleaning, and pipeline protection workflows where low‑volatility inhibitors are preferred.
• Demonstrates strong performance in mixed‑inhibitor formulations for enhanced surface coverage and long‑term protection.

Catalysis and Reaction Media

• Acts as a tunable, non‑volatile solvent for transition‑metal catalysis, biphasic catalysis, and acid‑sensitive transformations.
• Provides improved selectivity and recyclability in catalytic cycles due to its thermal and chemical stability.
• Supports halide‑free reaction environments where BF₄⁻ is advantageous.

Separation and Extraction Processes

• Enables liquid–liquid extraction of metal ions, organic contaminants, and aromatic compounds due to its adjustable polarity and low miscibility with water.
• Useful in selective extraction of transition metals and rare‑earth ions in hydrometallurgical workflows.
• Supports solvent‑free or reduced‑solvent purification strategies.

Materials Science and Polymer Processing

• Serves as a plasticizer, ion‑transport additive, or morphology‑modifying agent in polymer electrolytes, ionogels, and conductive films.
• Enhances mechanical flexibility and ionic mobility in solid‑state materials.
• Useful in membrane fabrication, coating formulations, and composite development.

Thermal and Physicochemical Benchmarking

• Provides a stable reference ionic liquid for studying ion transport, viscosity, density, and thermal behavior in BF₄⁻‑based systems.
• Supports modeling and simulation of structure–property relationships in piperidinium ionic liquids.

Antistatic and Surface‑Modification Additive

• Reduces surface resistivity in coatings, lubricants, and polymer blends.
• Improves charge dissipation and surface uniformity in electronics packaging and precision manufacturing environments.

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