1-Ethyl-2-methyl-1H-imidazole, CAS: 21202-52-8

Key Applications

Catalysis and Synthesis

• Functions as a nucleophilic base and ligand in organic synthesis, particularly in alkylation, acylation, and condensation reactions.
• Serves as a precursor for quaternization to form imidazolium ionic liquids with tunable hydrophobicity and electrochemical stability.
• Useful in the preparation of corrosion‑inhibiting additives and heterocyclic intermediates.

Polymer and Materials Chemistry

• Acts as a curing accelerator for epoxy resins, improving crosslinking kinetics and mechanical performance.
• Employed in polyurethane and polyurea systems as a catalyst for isocyanate–hydroxyl and isocyanate–amine reactions.
• Supports the synthesis of functional polymers where substituted imidazoles impart thermal stability and controlled polarity.

Electrochemical and Ionic Liquid Applications

• Serves as a building block for imidazolium salts used in electrolytes for batteries, supercapacitors, and electrochemical devices.
• Enables formulation of ionic liquids with enhanced conductivity and low viscosity when paired with anions such as TFSI, FSI, or acetate.

Pharmaceutical and Fine Chemical Intermediates

• Used as a heterocyclic intermediate in the synthesis of APIs, agrochemicals, and specialty fine chemicals.
• Provides a versatile scaffold for generating substituted imidazoles with biological relevance.

Surface, Corrosion, and Analytical Uses

• Contributes to corrosion‑inhibiting formulations for metals due to its ability to coordinate with metal surfaces.
• Utilized in analytical chemistry as a buffering or coordinating agent in select derivatization workflows.

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