Diethyl phthalate

Functional Category

Film-forming agent; plasticizer; solvent.

Applications in Pharmaceutical Formulation or Technology

Diethyl phthalate is used as a plasticizer for film coatings on tablets, beads, and granules at concentrations of 10–30% by weight of polymer. Diethyl phthalate is also used as an alcohol denaturant and as asolvent for cellulose acetate in the manufacture of varnishes and  dopes. In perfumery, diethyl phthalate is used as a perfume fixative at a concentration of 0.1–0.5% of the weight of the perfume used.

Diethyl phthalate is a clear, colorless, oily liquid. It is practically odorless, or with a very slight aromatic odor and a bitter,

disagreeable taste.