... stomach action, especially for public health. Packing:200 L/drum Propoxur 20% EC 1) Chemical Name: 2-(1-Methylethoxy)phenol methylcarbamate ... Molecular formula: C11H15NO3 CAS No: 114-26-1 2) Toxicity: Propoxur is highly toxic via the oral route, with reported LD50 ... to control cockroaches, flies, mosquitoes, and lawn and turf insects. Propoxur has been used in malaria control activities and in flea ...