Benzoflex 9-88 Dipropylene glycol dibenzoate 20109-39-1 Velsicol Plasticizers >> Benzoate >> Dipropylene Glycol Dibenzoate PU - Prepolymers ADHESIVE SEALANT BENZOFLEX® 9-88 Plasticizers Dipropylene Glycol Dibenzoate Adhesives, Coatings, Caulks, Polyurethanes Dipropylene glycol dibenzoate. Used as a plasticizer in adhesives and caulks.