DEET (EC 205-149-7) is a colorless to light yellow liquid used as an active ingredient in insect-repellent formulations. The supplied grade has an assay of 99.00% minimum by GC area, with a defined limit for the named process impurity N,N-diethylbenzamide.
DEET is formulated into pump and aerosol sprays, lotions, sticks and impregnated materials for protection against mosquitoes, ticks, biting flies and fleas. Commercial suitability depends on the finished formulation, target active concentration, packaging system and the registration or authorization applicable in the destination market.
Assay (GC area): ≥99.00%
Moisture: ≤0.20%
Acid value: ≤0.20 mg KOH/g
N,N-Diethylbenzamide: ≤0.30%
Color: ≤50 APHA
Specific gravity at 25 °C: 0.9960 ± 0.0040
Refractive index: 1.5220 ± 0.0020
Document: Safety Data Sheet (SDS, PDF)
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Read how GC area assay, the N,N-diethylbenzamide limit, moisture and acid value affect source qualification for a registered repellent.
DEET specification and compliance note PubChem compound record Wikipedia overview
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