P,P'-dde → 1-Chloro-4-(2,2,2-trichloro-1-(4-chlorophenyl)ethyl)benzene

Participants

Reaction Steps

Onto the p,p'-DDE obtained in Stage (b) 100 ml water is added, the mixture heated to 80° C.-85° C. and chlorine gas added over a period of 8-11 hours, until the concentration of p,p'-DDE drops to 0.2%. The upper aqueous phase is separated to afford 410 g p,p'-DDT, which was used directly in the next stage.

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