It can react with benzyl chloride to produce double-chain benzyl quaternary ammonium salts, which have wide applications in the disinfectant and bactericide industries; It can react with quaternizing raw materials such as methyl chloride to produce double-chain quaternary ammonium salts, which are used as bactericides and softeners in the oil field, textile, and daily chemical industries; It can react with dimethyl sulfate and diethyl sulfate to form gemini quaternary ammonium salts