1,2-Bisylphenoxyethane can be used as an intermediate in pharmaceutical synthesis, and can be prepared by reaction with ethylene glycol from p-toluenesulfonyl chloride as a reaction raw material; It can be used to prepare compound 1,4,7-tri-p-toluenesulfonyl-1,4,7-triazacyclononane, which can be used as a ligand for low-temperature bleaching catalysts.