- UsageIndustrial
- Supply TypeManufacturer, Distributor, Trader
- Preferred Buyer Location India only
 Diethyl phthalate (C12H14O4), or DEP is a diethyl ester of phthalic acid. DEP is used as a plasticizer in consumer goods, including plastic packaging films, cosmetics, solvent for fragrances, a surface lubricant in food and pharmaceutical packaging, and in tubing used for medical purposes.