1-Ethyl-3-methylimidazolium bromide, CAS: 65039-08-9

Key Applications:

• Gas Capture & Separation

• • EMIM Br exhibits strong interactions with CO₂, enabling its use in:
    • CO₂ absorption studies
    • Gas separation membranes
    • Thermodynamic modeling of gas–ionic liquid systems
  • These properties support process development in carbon capture and green‑chemistry solvent systems. 
• Protein Stability & Biomolecular Studies

• • EMIM Br is used to modulate protein folding, stability, and aggregation.

• Nanomaterials Synthesis & Catalysis

• • EMIM Br functions as:
    • A reaction medium for nanoparticle synthesis
    • A stabilizing agent for metal and metal‑oxide nanostructures
    • A solvent for catalytic transformations requiring high polarity and thermal stability
  • Its low volatility and strong solvation of polar/non‑polar species make it ideal for green‑chemistry synthesis routes. 
• Electrochemical Systems

• • EMIM Br is used in:
    • Electrolytes for batteries and capacitors
    • Ionic‑liquid‑based electrochemical sensors
    • Conductivity and ion‑transport studies
  • Its bromide anion provides distinct redox behavior compared to PF₆⁻, BF₄⁻, or TFSI⁻ analogues. 
• Organic Synthesis & Solvent Applications

• • EMIM Br serves as:
    • A polar, non‑volatile solvent for organic reactions
    • A medium for phase‑transfer catalysis
    • A recyclable solvent in green‑chemistry workflows
  • Its high thermal stability supports high‑temperature transformations. 
• Toxicology & Environmental Behavior Studies

• • EMIM Br is used as a model imidazolium ionic liquid in ecotoxicology, including multigenerational studies in C. elegans. 

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