1,1,1-trichloro- 2,2-bis- (4-chlorophenyl)ethane
DDT (C14H9Cl5)
CAS Number
50-29-3
Properties
- colourless and odourless, light aromatic crystals
- is a persistent organic pollutant
Main sources
- insecticides (against malaria)
- earlier: cotton production, agriculture, lice control
Thresholds for the reporting requirement of facilities in accordance with Annex 2 PRTRO
(Ordinance on the Register relating to Pollutant Release and the Transfer of Waste and of Pollutants in Waste Water)
- Air 1 kg/year
- Water 1 kg/year
- Soil 1 kg/year
Impacts
- suspected carcinogenic effect
- accumulates in the food chain
- disrupts the reproduction systems of animals in various ways (e.g. eggshell thinning in birds)
Measures
- banned since 1972 in Switzerland
- banned since the Stockholm Convention came into force in 2004 (exception: malaria control)
Further information
Last modification 04.07.2018