The molecule is a benzoate ester that is propyl 4-hydroxybenzoate in which the phenolic hydrogen has been replaced by a sulfo group. It is an aryl sulfate and a benzoate ester. It derives from a 4-hydroxybenzoic acid. It is a conjugate acid of a propyl 4-hydroxybenzoate sulfate(1-).
propyl 4-sulfooxybenzoate