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  • Propetamphos is a man-made chemical used as an insecticide. It is a yellowish oily liquid with a strong odour. It can be toxic to wildlife.
  • Propetamphos is practically insoluble in water (110 mg/L at 20E C), but is completely miscible in most organic solvents including acetone, chloroform, diethyl ether, ethanol, hexane, and xylene.
  • Propetamphos residues in food and drinking water do not pose risk concerns.
  • The vapor pressure of propetamphos is 2.6 x 10-7 mm Hg at 25oC.
  • The major use of propetamphos is in the control of household and public health pests, especially cockroaches, flies, fleas, mosquitoes, clothes moths, ants and animal ectoparasites such as mites and lice.
  • An analytical method is described for the determination of the organophosphorus pesticides diazinon and propetamphos in water and in sewage, at levels ranging from 0.01-1.0 mg/L. The method involves solid phase extraction using C-18 Bond Elut cartridges, elution with ether, and solvent change to hexane.
  • An analytical method is developed to allow the monitoring of workers exposed to propetamphos. E-O-2-isopropylcarbonyl-1-methylvinyl-O-methylethylphosphoram idothioate has been identified as a human metabolite of propetamphos.
  • In high-temperature dyeing processes propetamphos, diazinon and chlorfenvinphos partition between the dye liquor and the fibre in ratios which approximate to their relative water solubility, thus cypermethrin (solubility 0.009mg/l) is generally present at lower concentrations than propetamphos (solubility 110mg/l).
  • Total annual usage is low, and estimated at 90,000 pounds active ingredient. The typical rate of dilution varies from 0.5% to 1.0% active ingredient solution. Propetamphos is applied as a water dilution through a compressed air sprayer, often with a low pressure hand wand.
  • All propetamphos labels were amended to delete the food and feed handling establishment
    uses, except food service establishment uses where food is prepared and served

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