2-Ethylimidazole is a multifunctional compound with a wide range of applications in industrial and research settings, particularly in epoxy curing, pharmaceutical synthesis, and analytical chemistry. It is a colorless to slightly yellow solid with an amine-like odor.
Key Properties
Dual active sites: N1-H acidic (pKa=14.4) and N3 alkaline (pKa=7.3)
Thermal stability: Weight loss <3% at 300°C (TGA)
Hygroscopic: water absorption <1% in 24 hours
Application
1.Epoxy Curing Agent:
2-Ethylimidazole is a selective catalyst for epoxy and urethane reactions, making it a valuable component in two-component epoxy systems. It is widely used for modifying epoxy resins and preparing polyurethanes.
2.Pharmaceutical and Agrochemical Intermediate:
2-EI serves as a building block for active ingredients in pharmaceuticals and agrochemicals.
3.Analytical Chemistry:
2-Ethylimidazole is used as an internal standard for the quantification of 4-(5-)methylimidazole (4MI) in coffee by GC-MS methods.
4.Surface Modification:
2EMI has been used in microwave plasma reactions on poly(dimethylsiloxane) surfaces, demonstrating its potential in surface modification and material science.
5.Metal-Organic Frameworks:
2-Ethylimidazole is used as a ligand for the synthesis of hydrophobic cobalt-ethylimidazolate frameworks.
6.Corrosion Inhibitor:
2EMI is used as a stabilizer and corrosion inhibitor in various chemical reactions.
Storage Conditions
Should be stored in a cool, ventilated, dry warehouse, away from fire, heat, moisture, waterproof, sun protection.
