1-Butylpyridinium bromide, CAS: 874-80-6

Key Applications:

Electrochemistry & Charge‑Transfer Studies

• Serves as a supporting electrolyte in voltammetry, impedance spectroscopy, and redox‑active material testing.
• Enhances ionic conductivity in non‑aqueous systems and stabilizes electrode–electrolyte interfaces.
• Useful in evaluating ion‑pairing effects and transport behavior in model electrolyte systems.

Phase‑Transfer & Organic Synthesis

• Functions as a phase‑transfer catalyst for nucleophilic substitution, alkylation, and heterocycle formation.
• Facilitates reactions in biphasic systems where enhanced solubilization of ionic intermediates is required.
• Supports mechanistic studies on pyridinium‑based catalytic environments.

Solvent & Extraction Systems

• Acts as a tunable ionic medium for liquid–liquid extraction of metal ions, dyes, and organic contaminants.
• Useful in designing task‑specific ionic liquid systems for selective separations.
• Supports studies on solvation dynamics, polarity tuning, and ion‑exchange behavior.

Materials Science & Polymer Research

• Employed as a structure‑directing additive in polymer electrolytes, ion‑conducting films, and hybrid composites.
• Enhances mechanical and thermal properties in polymer matrices through ionic cross‑linking interactions.
• Used in templating and morphology control for nanostructured materials.

Surfactant & Self‑Assembly Studies

• Supports research on micelle formation, critical aggregation behavior, and amphiphilic ionic systems.
• Useful in probing interfacial phenomena and adsorption at solid–liquid boundaries.
• Enables formulation of ionic surfactant systems for controlled dispersion and stabilization.

Analytical & Spectroscopic Applications

• Provides a well‑defined ionic environment for NMR, UV–Vis, and IR studies of ion pairing and solvation.
• Used as a calibration or reference salt in studies of ionic strength and conductivity.

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