1-Butyl-3-methylpyridinium bromide, CAS: 26576-85-2

Key Applications:

Electrochemistry & Energy Storage

• Serves as an ionic‑liquid precursor or electrolyte additive in supercapacitors and battery systems, improving ionic mobility and electrochemical stability.
• Enhances electrodeposition uniformity for metals and semiconductors by modulating ion transport and interfacial behavior.
• Used in redox‑active systems to stabilize reactive intermediates and broaden operational voltage windows.

Catalysis & Organic Synthesis

• Functions as a phase‑transfer catalyst or reaction medium for nucleophilic substitutions, oxidations, and C–C bond‑forming reactions.
• Provides a tunable, non‑volatile solvent environment that increases selectivity and yield in transition‑metal‑catalyzed transformations.
• Supports microwave‑assisted and solvent‑free synthesis workflows due to its high thermal stability.

Solvent Extraction & Separation Science

• Applied in liquid–liquid extraction systems for metal ions, dyes, and organic pollutants, offering high selectivity and low volatility.
• Used in biphasic catalytic systems where ionic liquids enable efficient product separation and catalyst recycling.

Materials Science & Polymer Processing

• Acts as a structure‑directing agent in the preparation of porous materials, nanocomposites, and functional coatings.
• Improves dispersion of nanoparticles and conductive fillers in polymer matrices.
• Employed in cellulose dissolution and biomass fractionation studies due to its strong hydrogen‑bond‑disrupting capability.

Spectroscopy & Analytical Chemistry

• Provides a stable, low‑vapor‑pressure medium for NMR, UV–Vis, and electroanalytical studies.
• Used to stabilize reactive species and enhance signal resolution in mechanistic investigations.

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