Diethyltoluamide

Diethyltoluamide, commonly abbreviated as DEET or DET and known under trade names such as Delphene and Detamide (ENT 20218), is a synthetic amide compound registered under CAS 134-62-3 and EC 205-149-7. It carries no assigned E-code and is classified within the amines category.

In personal care and pharmaceutical formulations, DEET functions as a skin protectant and antimicrobial agent by disrupting insect olfactory receptors, making it the active ingredient in most professional-grade insect repellent products. It also acts as a UV absorber in topical preparations, where it helps stabilize formulations against photodegradation.

This material is supplied as a liquid grade suitable for cosmetic and pharmaceutical manufacturing, with compliance relevant to REACH registration requirements applicable to EU-based buyers. Standard packaging formats are available for industrial procurement, and buyers should verify conformity documentation against applicable regional regulatory frameworks prior to formulation use.