1-Heptyl-3-methylimidazolium bromide, CAS: 343851-32-1

Key Applications:

Solvent & Reaction Medium

• Serves as a tunable ionic liquid solvent for organic synthesis, benefiting from moderate hydrophobicity and strong ionic character.
• Enhances reaction rates and selectivity in acid‑catalyzed, transition‑metal‑catalyzed, and nucleophilic substitution reactions.
• Useful in biphasic catalysis where partial immiscibility with water supports efficient product separation.

Electrochemical & Energy Applications

• Functions as an electrolyte component or ionic additive in electrochemical systems, including supercapacitors and electrodeposition baths.
• Improves ionic conductivity and electrode interface stability due to the imidazolium cation’s charge transport efficiency.
• Supports electrodeposition of metals such as copper, nickel, and silver under low‑volatility, thermally stable conditions.

Surfactant, Micelle, and Self‑Assembly Systems

• Exhibits amphiphilic behavior suitable for forming micelles, vesicles, and structured phases in aqueous and mixed‑solvent systems.
• Applied in colloid stabilization, nanoparticle templating, and controlled‑size nanomaterial synthesis.
• Useful in studying ionic‑liquid‑based surfactant systems due to its intermediate alkyl chain length (C7), which tunes critical micelle concentration and aggregation behavior.

Extraction, Separation & Purification

• Effective in liquid–liquid extraction of metal ions, dyes, and organic contaminants.
• Bromide counterion supports halide‑assisted extraction mechanisms and coordination with metal complexes.
• Applied in separation of aromatic compounds, phenolics, and bioactive molecules through hydrophobic and π–π interactions.

Biomolecular & Materials Processing

• Used as a stabilizing medium for enzymes and proteins in non‑aqueous or mixed‑solvent environments.
• Supports dissolution and processing of biopolymers such as cellulose and chitin when paired with co‑solvents.
• Enables fabrication of ionic‑liquid‑modified polymers, membranes, and thin films with enhanced conductivity and mechanical properties.

Nanomaterials & Catalysis

• Acts as a templating or stabilizing agent in the synthesis of metal nanoparticles, metal oxides, and carbon nanostructures.
• Enhances dispersion and prevents aggregation due to strong electrostatic and steric stabilization.
• Serves as a medium for catalytic transformations requiring controlled microenvironments.

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