1,3-Diethylimidazolium bromide, CAS: 54304-66-4

Key Applications:

Catalysis & Organic Synthesis

• Functions as a polar, non‑volatile reaction medium for alkylation, acylation, and nucleophilic substitution reactions.
• Enhances selectivity and yields in transition‑metal‑catalyzed processes, including Pd‑ and Ni‑mediated couplings.
• Serves as a recyclable solvent or co‑solvent in green‑chemistry workflows.

Electrochemical & Energy Applications

• Useful as a supporting electrolyte in electrochemical studies due to its wide liquid‑phase stability and ionic conductivity.
• Employed in electrodeposition systems, redox‑active media, and ionic‑liquid‑modified electrodes.
• Investigated as a component in ionic‑liquid blends for tunable conductivity and viscosity in battery and capacitor research.

Materials Science & Polymer Processing

• Acts as a structure‑directing additive in polymerization and templating processes.
• Facilitates dissolution and processing of biopolymers and engineering polymers under mild conditions.
• Supports nanoparticle synthesis by stabilizing charged intermediates and controlling particle growth.

Extraction, Separation & Solvation

• Effective in liquid–liquid extraction of metal ions, dyes, and organic compounds due to strong solvation of charged species.
• Applied in phase‑transfer systems and biphasic catalysis.
• Useful in selective dissolution and purification workflows for specialty chemicals.

Analytical & Laboratory Applications

• Serves as a medium for spectroscopic and electroanalytical studies requiring low vapor pressure and high ionic strength.
• Used in method development for chromatography and sample preparation.

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