What are the physical properties of DDT?
2.1. DDT is a crystalline chemical compound, which is a colorless, tasteless, hydrophobic, odorless, and low water-soluble compound but shows good solubility in organic solvents, fats, and oils.
What is the chemical structure of DDT?
Properties of DDT The chemical formula of dichlorodiphenyltrichloroethane is C14H9Cl5. The molar mass of this chemical compound corresponds to 354.48 grams per mole.
What does the chemical DDT do?
DDT (dichloro-diphenyl-trichloroethane) was developed as the first of the modern synthetic insecticides in the 1940s. It was initially used with great effect to combat malaria, typhus, and the other insect-borne human diseases among both military and civilian populations.
What are the elements in DDT?
In the case of DDT, the active ingredient is p,p’-DDT. Most DDT production can be assumed to have been technical-grade material that included 15–21% of the nearly inactive o,p’-DDT, up to 4% of p,p’-DDD, and up to 1.5% of 1-(p-chlorophenyl)-2,2,2-trichloroethanol (Metcalf 1995).
What does DDT smell like?
The spray smelled of petroleum, he says, a little stronger than Vasoline, not as strong as kerosene. “It wasn’t unpleasant,” he said.
What is DDT Mcq?
D. Naturally degradable. Explanation : As DDT harms the environment it is a pollutant. It is used to kill the mosquitoes thus, it is a chemical insecticide and not antibiotic.
What is DDT draw the structure of DDT?
The structure of DDT is similar to acaricide dicofol and methoxychlor. It is insoluble in water. It is a disruptor of endocrine, and is carcinogen to humans.
What is DDT pollutant?
DDT is an insecticide which is a non-biodegradable pollutant. It is used to kill insects as it acts against insect’s eggs and larvae.
What two properties of DDT make it hazardous over the long term?
DDT is very insoluble in water and very persistent in the environment, making it a highly polluting hazard. It’s half life has been reported to be between 2 and 15 years.
What are the effects of DDT on the environment?
DDT has had a huge environmental impact on the world. It is highly toxic to different marine life, such as crayfish, daphnids, and sea shrimp. The most widely known environmental impact that DDT has had is on birds. When DDT is taken in by certain types of birds, it interferes with certain reproductive enzymes.
What type of pollutant is DDT?
Is DDT biodegradable?
DDT is harm to all biota of the planet as it is non-biodegradable, and tends to become more concentrated as it moves up the food chain. It is a fat-soluble chemical, and accumulates in the fat deposits of the body.