Product name Trichlorfon powder for high quality poultry and cattle Common name Trichlorfon product number 2022060201 IUPAC name Dimethyl 2,2,2-trichloro-1-hydroxyethylphosphonate Chemical name Dimethyl (2,2,2-trichloro-1-hydroxyethyl)phosphonate CAS No. 52-68-6 Molecular formula C4H8Cl3O4P Molecular weight 257.4 Biochemistry Cholinesterase inhibitor; activity may be due to in vivo conversion to dichlorvos (q.v.). Mode of action Non-systemic insecticide with contact and stomach action. Uses Insecticidal control in agriculture, horticulture, forestry, food storage, gardening, households, and animal husbandry. In particular, control of Diptera, Lepidoptera, Hymenoptera, Hemiptera, and Coleoptera on many crops. For agricultural uses, applied at 300-1200 g/ha. Also used to control household pests such as flies, cockroaches, fleas, bed bugs, silverfish, ants, etc.; as a fly bait in farm buildings and animal houses; and for control of ectoparasites on domestic animals.