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Information @ a Glance

General Information
  • The letters "DDT" stand for dichloro-diphenyl-trichloro-ethane.
  • DDT is an insecticide used to control insect-borne diseases.
  • Dichlorodiphenyltrichloroethane (DDT) is a organochlorine contact insecticide that kills by acting as a nerve poison.
  • DDT is an organochlorine, similar in structure to the insecticide methoxychlor and the acaricide dicofol.
  • DDT is available in several different forms: aerosols, dustable powders, emulsifiable concentrates, granules and wettable powders.

Process

  • DDT is created by the reaction of trichloromethanal with chlorobenzene (C6H5Cl).
  • A screening-level assessment was conducted to characterize the level of impact that would result from 0.1% DDT contamination in the dicofol product formulations.
  • Specific binding sites for DDT and cis-permethrin have been detected in the central nervous system of the tobacco budworm, Heliothis virescens (F.). and its predator, Chrysopn carnea Stephens.
  • To development an immunodetection method for DDT, 1,1,1-trichloro-2,2-bis(4-chorophenyl)ethane (p,pí- DDT) and its metabolites five derivatives of DDT haptens have been synthesised and characterized as coating ligands for antibody evaluation.

Application

  • Dicofol - the active ingredient being a mixture of approximately 80% p,pí-dicofol and 20% o,pí-dicofol - is produced by hydroxylation of DDT as emulsifiable concentrate and wettable powder formulations.
  • The World Health Organization issued a position statement promoting the use of indoor residual spraying (IRS) with dichlorodiphenyltrichloroethane (DDT) for malaria vector control in epidemic and endemic areas.

Technology

  • A novel technique has been used for detection of the organochlorine insecticide compound dichlorodiphenyltrichloroethane (DDT) by measuring the nanometer-scale bending of a microcantilever produced by differential surface stress.
  • A novel technique, high temperature headspace liquid-phase microextraction (HS-LPME) with room temperature ionic liquid (RTIL), 1-butyl- 3-methylimidazolium hexafluorophosphate ([C4MIM][PF6]) as extractant, was developed for the analysis of dichlorodiphenyltrichloroethane (p,p -DDTand o,p -DDT) and its metabolites.
  • An improved activated carbon technique using dichloromethane instead of chloroform, and slower leaching rate of 15 mL/min to quantify DDT and its metabolites in surface water.

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