Diethyl phthalate

DEP; phthalic acid diethyl ester; formula: C12H14O4; CAS Registry Number: 84-66-2
Structure of diethyl phthalate
Source: PubChem
Identifier: CID 6781

Short-chain phthalate

Diethyl phthalate (DEP) belongs to the short-chain phthalates. Among others, it is used as plasticizers in cellulose based polymers. However, DEP is also used in cosmetics, textiles, pesticides, lubricants, and glues.

The Environmental Specimen Bank does not analyses the parent substance DEP in human samples, but its main metabolite MEP.


  • MEP
    Monoethyl phthalate is a primary metabolite of DEP.


  • Student groups with an even number of female and male students at the age of 20 to 29.

Sampling area

Sampling period

2007 - 2015