Chlorohydrocarbon pesticides

Jonsson V, Liu GJK, Armbruster J, et al. 1977. Chlorohydrocarbon pesticide residues in human milk in greater St. Louis, Missouri 1977. Am J Clin Nutr 30 1106-1109. 

Chlorohydrocarbon pesticides were found in Australia sediments throughout the coastal regions in the country. DDT, in particular, was found throughout the region (Connell et al. 2002). Pesticide, herbicide, and insecticide runoff from farms and urbane dwellings can also contribute to the POPs. 

Connell, D., Miller, G., and Anderson, S. (2002) Chlorohydrocarbon pesticides in the Australian marine environment after banning in the period from the 1970s to 1980s. Marine Pollution Bulletin, 45 78-83. 

Fig. 16.1 DDT and other similar chlorohydrocarbon pesticides (ditty seven)...

Muller et al. (1994) developed from theoretical concepts a multi-term expression for plant-air partitioning (Kpa), the essence of which is that Kpa should be proportional to Kow/H, where H = Henry s law constant (air-water partition coefficient) this means that Kpa should therefore be proportional to Koa, the octanol-air partition coefficient. They found a reasonable correlation between measured and predicted log Kpa values for example, for 20 chlorohydrocarbons they found R2 = 0.79. Bacci et al. (1990) also used log Kow and log H to correlate Azalea indica leaf-air partitioning of 10 chemicals (mostly pesticides) with R2 = 0.92. 

Direct chlorination of vinyl chloride generates 1,1,2-tnchloroethane [79-00-5] from which vinylidene chloride required for vinylidene polymers is produced. Hydrochlorination of vinylidene chloride produces 1,1,1-trichloroethane [71-55-6], which is a commercially important solvent. Trichloroethylene and perchloroethylene are manufactured by chlorination, hydrochlorination, or oxychlorination reactions involving ethylene. Aromatic solvents or pesticides such as monochlorobenzene, dichlorobenzene, and hexachlorobenzene are produced by reaction of chlorine with benzene. Monochlorobenzene is an intermediate in the manufacture of phenol, insecticide DDT, aniline, and dyes (see Chlorocarbons a>td Chlorohydrocarbons.)... 

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