1-Butylpyridinium tetrafluoroborate, CAS: 203389-28-0

Key Applications:

Electrochemical Systems

• Functions as a stable ionic liquid electrolyte or electrolyte additive in supercapacitors, lithium‑free metal batteries, and redox‑active systems.
• Offers wide electrochemical windows and low volatility, supporting high‑temperature or moisture‑sensitive electrochemical environments.
• Useful in electrodeposition studies, particularly for metals requiring controlled ion mobility and low water content.

Organic Synthesis and Catalysis

• Serves as a non‑volatile reaction medium for nucleophilic substitutions, cyclizations, and transition‑metal‑catalyzed transformations.
• Provides tunable polarity and ionic strength for rate enhancement and selectivity control.
• Acts as a recyclable solvent in green‑chemistry workflows.

Separation Science and Extraction

• Employed in biphasic extraction systems for metal ions, organics, and hydrophobic analytes.
• Supports liquid–liquid extraction processes where low miscibility with water and high thermal stability are advantageous.
• Useful in tailoring partition coefficients for analytical separations.

Materials Science and Thin‑Film Processing

• Used as a templating or structuring agent in polymer composites, nanoparticle dispersions, and sol–gel systems.
• Enhances conductivity and thermal stability in polymer electrolytes and ion‑conducting membranes.
• Supports thin‑film deposition processes requiring low vapor pressure and controlled ionic environments.

Spectroscopy and Thermophysical Benchmarking

• Provides a well‑characterized ionic liquid matrix for viscosity, conductivity, and density studies.
• Suitable for calibrating or validating models of ion transport, solvation, and thermal behavior.

Antistatic and Surface‑Modification Additive

• Incorporated into coatings, lubricants, and polymer surfaces to reduce static charge accumulation.
• Offers long‑term ionic conductivity without compromising thermal or chemical stability.

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