What is the meaning of organochlorine?
What is the meaning of organochlorine?
Definition of organochlorine : of, relating to, or being a chlorinated hydrocarbon and especially one used as a pesticide (such as aldrin, DDT, or dieldrin)
How many organochlorines are there?
What are OCPs? These persistent, bio-accumulative pesticides include DDT, dieldrin, heptachlor and chlordane. In all, there are 13 pesticides on the list of scheduled wastes.
Are organochlorines still used?
Organochlorine pesticides are chlorinated hydrocarbons used extensively from the 1940s through the 1960s in agriculture and mosquito control. As neurotoxicants, many organochlorine pesticides were banned in the United States, although a few are still registered for use in this country.
Why are organochlorines used as pesticides?
Organochlorine pesticides (OCPs) are an organic compound with highly toxic, refractory and easily residual characteristics, They were used in large quantities as pesticides in China’s agricultural production process, resulting in large amounts of soil residues and groundwater permeation from irrigation.
How do organochlorines work?
Organochlorine compounds work on insects by opening what’s known as the sodium ion channel in the neurons or nerve cells of insects, causing them to fire spontaneously. The insect will go into spasms and eventually die.
Are organochlorines banned?
What is DDT in environmental science?
Dichlorodiphenyltrichloroethane (DDT) is an insecticide used in agriculture. DDT and its related chemicals persist for a long time in the environment and in animal tissues.
What country still uses DDT?
DDT is still used today in South America, Africa, and Asia for this purpose. Farmers used DDT on a variety of food crops in the United States and worldwide.
Medical Definition of organochlorine. : of, relating to, or being a chlorinated hydrocarbon and especially one used as a pesticide (as aldrin, DDT, or dieldrin)
What are the characteristics of organic compounds containing chlorine?
Organo-chlorines include a class of organic compounds containing chlorine (Cl −) atoms bounded by covalent attachment to the carbon structure. Organo-chlorines have diverse structures and applications. They are mainly synthetic compounds that have both aliphatic chains and aromatic rings.
Why are organochlorines the most persistent pesticides?
Organochlorines are the most persistent pesticides in the environment as they contain five or more chlorine atoms per molecule, thus making their degradation very slow. Sudhir K. Shukla,
Are organochlorines still used in the US?
However, the chemicals are still in use in Central America, India, China and countries in Africa. Also known as persistent organic pollutants (POPS), organochlorines have extremely strong bonds between their chlorine and carbon components and are attracted to fats.