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fluoromethanesulfonyl chloride; CAS No.: 42497-69-8; fluoromethanesulfonyl chloride. PROPERTIES: fluoromethanesulfonyl chloride is a crystalline solid. Its molecular formula is C1H2ClFOS, and the molecular weight is approximately 136.54 g/mol. The compound has a melting point of approximately 10-12 C. It is moderately soluble in common organic solvents such as methylene chloride and ethyl acetate, but is poorly soluble in water. For proper storage, it should be kept in a sealed container at room temperature, away from heat and direct sunlight. As a compound containing a fluoromethyl group and a sulfonyl chloride group, it may exhibit certain reactivity and stability. When handling it, protective gloves and eye protection should be worn. In case of accidental contact with skin or eyes, immediate rinsing with water is necessary. APPLICATIONS: In organic synthesis, fluoromethanesulfonyl chloride serves as a valuable intermediate. The sulfonyl chloride group can undergo various reactions such as nucleophilic substitution and hydrolysis. The fluoromethyl group provides specific electronic effects. In the chemical industry, derivatives of this compound can be explored as potential intermediates for the synthesis of various organic compounds. For example, in the development of certain agrochemicals, the structure of fluoromethanesulfonyl chloride can be utilized to design compounds with improved herbicidal activities (as mentioned in agrochemical chemistry literature). Additionally, in the field of materials science, it can be incorporated into the synthesis of functional materials such as liquid crystals or organic semiconductors, where its structure can influence the material's electronic and optical properties (as described in materials chemistry research papers).