1H-Imidazole-4-sulfonyl chloride(CAS: 58767-51-4)

1H-Imidazole-4-sulfonyl chloride is a white crystalline solid with a molecular weight of 193.57 g/mol. It is poorly soluble in water but soluble in organic solvents such as dichloromethane and acetonitrile. The compound is moderately reactive, particularly with amines and thiols, leading to the formation of corresponding sulfonamides. It is used in various synthetic applications due to its reactivity and selective nature.

1H-Imidazole-4-sulfonyl chloride is commonly synthesized via the reaction of 4-(chlorosulfonyl)benzenesulfonamide with imidazole in the presence of a base like sodium hydride or potassium carbonate. The yield is typically around 80%, and the method involves careful control of the reaction conditions to achieve high selectivity and purity.

1H-Imidazole-4-sulfonyl chloride is primarily used in the pharmaceutical and chemical industry for its reactivity in organic synthesis. It is also utilized in the production of functional polymers, sensors, and in the development of certain semiconductors due to its unique chemical properties and ability to form stable derivatives.

When handling 1H-Imidazole-4-sulfonyl chloride, it is essential to use proper personal protective equipment (PPE), including gloves, safety goggles, and lab coat. The compound should be stored in a well-ventilated area and preferably in a fume hood to minimize exposure. In case of a spill, handle it carefully and dispose of according to local regulations. Always refer to the Material Safety Data Sheet (MSDS) for detailed safety information.