1-Methyl-3-pentylimidazolium bromide, CAS: 343851-31-0

Key Applications:

Solvent and Reaction Medium

• Functions as a polar, non‑volatile ionic liquid suitable for organic synthesis requiring controlled solvation and reduced vapor pressure.
• Supports acid‑ and base‑catalyzed transformations, including alkylation, esterification, and nucleophilic substitution under mild conditions.
• Provides tunable microenvironments for homogeneous catalysis, improving selectivity in transition‑metal‑mediated reactions.

Phase‑Transfer and Extraction Processes

• Acts as an efficient phase‑transfer medium for biphasic organic–aqueous systems, enhancing mass transfer and reaction rates.
• Useful in selective extraction of metal ions, dyes, and organic contaminants due to its amphiphilic cation and halide counterion.

Electrochemical and Materials Applications

• Serves as a stable ionic conductor in electrochemical studies, including electrodeposition and redox‑active material testing.
• Can be incorporated into polymer electrolytes or ion‑conductive films to improve ionic mobility and thermal stability.
• Supports templating and dispersion of nanomaterials, including metal nanoparticles and carbon‑based nanostructures.

Catalysis and Green Chemistry

• Provides a recyclable medium for catalytic cycles, reducing solvent waste and improving process sustainability.
• Enhances catalytic activity of metal complexes and organocatalysts by stabilizing reactive intermediates.

Biomolecular and Analytical Uses

• Useful as a solubilizing agent for hydrophobic or partially hydrophobic biomolecules in analytical workflows.
• Can modulate enzyme activity or protein stability in controlled studies due to its tunable polarity and ionic strength.

Surfactant‑Like and Self‑Assembly Behavior

• The C5 alkyl chain imparts moderate hydrophobicity, enabling micelle‑like aggregation in aqueous or mixed‑solvent systems.
• Supports formation of structured phases useful in templating, encapsulation, and controlled‑release research.

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