1-Propylimidazole, CAS: 35203-44-2

Key Applications:

Fuel‑cell and electrochemical systems

• Acts as a proton‑conducting component or co‑solvent in ionic‑liquid‑based electrolytes.
• Serves as a precursor for synthesizing imidazolium salts used in high‑temperature PEM fuel cells.
• Useful as a ligand or surface modifier to tune electrode interfaces and reduce charge‑transfer resistance.
• Supports membrane doping strategies where imidazole derivatives enhance anhydrous proton mobility.

Catalysis and synthesis

• Functions as a mild, nucleophilic base in organic synthesis, particularly for alkylation, acylation, and condensation reactions.
• Serves as a building block for quaternized imidazolium ionic liquids with tailored viscosity, conductivity, and hydrophobicity.
• Useful as a ligand in transition‑metal catalysis, especially where steric and electronic tuning of the imidazole ring is desired.

Polymer and materials modification

• Acts as a curing accelerator for epoxy systems, improving crosslink density and thermal stability.
• Can be incorporated into polymer backbones or side chains to introduce ionic or hydrogen‑bonding functionality.
• Supports surface functionalization of nanoparticles, carbon materials, and metal oxides.

Analytical and coordination chemistry

• Serves as a coordination ligand for metal complexes used in sensing, catalysis, or electrochemical probes.
• Useful in derivatization reactions for chromatographic analysis.

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