has role has functional parent metabolite butan-1-ol dibutyl phthalate CHEBI:34687 A phthalate ester that is the diester obtained by the formal condensation of the carboxy groups of phthalic acid with two molecules of butan-1-ol. Although used extensively as a plasticiser, it is a ubiquitous environmental contaminant that poses a risk to humans. antiparasitic agent phthalate ester benzoate ester teratogenic agent diester EC 3.2.1.20 (alpha-glucosidase) inhibitor environmental contaminant plasticiser