2-Methyl-1-octylimidazole, CAS: 60964-49-0

Key Applications:

1. Surfactants and Interfacial Modifiers

• Functions as a cationic, surface‑active heterocycle for stabilizing emulsions and dispersions.
• Useful in formulations requiring controlled wetting, adhesion, or interfacial charge.
• Can serve as a precursor to imidazolium‑based surfactants with tunable hydrophobicity.

2. Ionic Liquid and Protic Ionic Liquid Precursor

• Alkylation or protonation yields imidazolium salts with tailored viscosity, conductivity, and hydrophobicity.
• Supports development of task‑specific ionic liquids for extraction, catalysis, and electrochemical systems.

3. Phase‑Transfer and Nucleophilic Catalysis

• Acts as a nucleophilic base or ligand in organic transformations, particularly in alkylation, esterification, and substitution reactions.
• Enhances reaction rates in biphasic systems due to its amphiphilic structure.

4. Corrosion Inhibition and Surface Passivation

• Adsorbs strongly onto metal surfaces through the imidazole ring, forming protective films.
• Applicable in acidic or saline environments for steel, copper, and alloy protection.

5. Polymer and Material Modification

• Serves as a functional monomer or chain‑end modifier in specialty polymers.
• Introduces imidazole functionality for improved adhesion, thermal stability, or ion‑conducting behavior.
• Useful in compatibilizing polymer blends or enhancing filler dispersion.

6. Antimicrobial and Antifouling Research

• Long‑chain imidazoles are studied for membrane‑active antimicrobial properties.
• Potential use in coatings, textiles, and water‑treatment materials where biofilm resistance is desired.

7. Extraction and Separation Systems

• Can be converted to hydrophobic ionic liquids for liquid–liquid extraction of metals, organics, or biomass‑derived compounds.
• Supports design of selective extractants with tunable polarity.

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