3-Butyl-1,2-dimethyl-1H-imidazol-3-ium chloride(CAS: 98892-75-2)

3-Butyl-1,2-dimethyl-1H-imidazol-3-ium chloride is a white crystalline solid with a molecular weight of approximately 221.32 g/mol. It is sparingly soluble in water and ethanol. This compound exhibits good thermal stability and moderate basicity. It is reactive towards acidic compounds and can be used in various synthetic reactions.

3-Butyl-1,2-dimethyl-1H-imidazol-3-ium chloride can be synthesized by reacting 3-butyl-1,2-dimethyl-1H-imidazol-3-amine with hydrochloric acid. Commonly used conditions include refluxing the mixture in an inert solvent like methanol or ethanol at elevated temperatures. The yield is typically around 75-80%, and the product can be isolated by filtration and recrystallization.

3-Butyl-1,2-dimethyl-1H-imidazol-3-ium chloride is utilized in the pharmaceutical industry for its cationic structure, which can be used in the synthesis of drug intermediates. It also finds applications in the semiconductor industry as a dopant material, and in the field of chemical sensors due to its reactivity and stability.

When handling 3-Butyl-1,2-dimethyl-1H-imidazol-3-ium chloride, use appropriate personal protective equipment (PPE) including gloves, goggles, and a lab coat. Work in a well-ventilated area or a fume hood to minimize inhalation exposure. Spills should be handled with caution using appropriate absorbent materials. Refer to the safety data sheet (SDS) for detailed information on proper handling and emergency procedures.