2,4-Dihydroxybenzenesulfonic acid is prepared by sulfonating resorcinol with 96% sulfuric acid in a molar ratio of 1:1. The compound is used as a catalyst in the curing of resins.
Definition
ChEBI: 2,4-dihydroxybenzenesulfonic acid is a dihydroxybenzenesulfonic acid that is resorcinol in which a hydrogen para- to one of the hydroxy groups is replaced by a sulfonic acid group. It has a role as a metabolite. It is functionally related to a resorcinol.