Toxicity

Pure DDT is categorized by the World Health Organization as Class II moderately hazardous. Formulations containing DDT in concentration below 200 g/kg for solids and 500 g/l for liquids are categorized as Class III. The U.S. EPA Acute Toxicity Rankings classified DDT formulations as a Category 3, slightly tonic.

According to studied mammalian species, DDT is moderately to slightly toxic via the oral route and is less toxic to test animals exposed via the skin.

Acute toxicity of DDT to mammals
Species Formulation Oral (mg/kg) Dermal (mg/kg)
Rat oil solution 113-450 250-3000
Mouse oil solution 100-800 250-500
Guinea Pig oil solution 250-560 100
Rabbit oil solution 300-1770 300-2820


Structure formula of DDT


3D structure of DDT

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