Displaying 1 results of Diethyltoluamide Impurities Diethyltoluamide (DEET) is a widely-used insect repellent that has been found to contain various impurities. These impurities can arise from the synthesis of DEET or from its degradation over time. They include compounds such as N,N-diethyl-m-toluamide, N,N-diethyl-o-toluamide, and N,N-diethyl-p-toluamide. These impurities can have potential health effects on humans and animals, and therefore, their levels are regulated by various health