L1 /
3
CH3041
DDT I
Geigy
Company discovered the insecticidal
properties of DDT in 1939. IUPAC name :
bis[4-chlorophenyl]-2,2,2-trichloroethane
properties of DDT in 1939. IUPAC name :
bis[4-chlorophenyl]-2,2,2-trichloroethane
Common: DichloroDiphenylTrichloroethane
• By WW II it
was being sprayed on pets,
people, cities, lakes, swamps to eliminate
pests carrying diseases. (fleas, mosquitos)
people, cities, lakes, swamps to eliminate
pests carrying diseases. (fleas, mosquitos)
• Interferes with nerve
functions, Na /K pump,
insect paralysis & death.
functions, Na /K pump,
insect paralysis & death.
• Cheap, odourless, apparently non-toxic!
LD50(RAT) 87 mg kg-1 ORL-HMN LDLO 500 mg kg-1
