EN
It has been shown that O,O-dimethyl-O-/2,4,5-trichlorphenyl/phosphorothioate was very active against house flies. Good results were obtained using purified product as well as the technical one and the oil left after the cristallization, containing about 50% of the product. The low toxicity for mammals predestinates this compound to control flies in houses, food productions industry, dairies a.s.o.