It is a main raw material for the production of cationic quaternary ammonium salts, and can react with benzyl chloride to produce benzyl quaternary ammonium salts, which are widely used in bentonite, disinfectants, textiles, and daily chemical industries; It can react with quaternizing agents such as methyl chloride, dimethyl sulfate, and diethyl sulfate to produce cationic quaternary ammonium salts, which are widely used in textiles, daily chemicals, and oilfield industries; It can react with sodium chloroacetate to produce the amphoteric surfactant betaine.