Chlorpyrifos (CPS), sold under many brand names, is an organophosphate pesticide used to kill a number of pests including insects and worms.wikipedia
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DowDow ChemicalThe Dow Chemical Company
It was introduced in 1965 by Dow Chemical Company.
It produces agricultural chemicals including the pesticide Lorsban and consumer products including Styrofoam.
organophosphatesphosphate esterorganophosphate pesticide
Chlorpyrifos (CPS), sold under many brand names, is an organophosphate pesticide used to kill a number of pests including insects and worms.
cholinesterase inhibitoranticholinesterasecholinesterase inhibitors
It acts on the nervous system of insects by inhibiting acetylcholinesterase.
pesticide residuespesticide contaminationresidue
Risk assessments have primarily considered acute exposure, but more recently researchers have begun to investigate the effects of chronic, low-level exposure through residue in pollen and components of bee hives.
On March 29, 2017, EPA Administrator Scott Pruitt denied a petition to ban chlorpyrifos.
Chlorpyrifos is a pesticide that is used to kill a number of pests on crops, animals, and in buildings.
Sierra Club Legal Defense FundEarth JusticeSierra Legal Defence Fund
In contrast, Marisa Ordonia, a lawyer for Earthjustice, the organization that had conducted much of the legal work on the case, hailed the decision.
In 2017, the Ninth Circuit Court of Appeals rejected a suit against the EPA with the goal of banning the pesticide Chlorpyrifos.
acceptable daily dose
The EPA’s acceptable daily dose is 0.3 micrograms/kg/day.
As an example, consider the following determination of the RfD for the insecticide chlorpyrifos, adapted from the EPA's Interim Reregistration Eligibility Decision for chlorpyrifos.
KennetKennet ValleyUpper Kennet Valley
In Britain, the rivers Roding (1985), Ouse (2001), Wey (2002 & 2003), and Kennet (2013) all experienced insect, shrimp, and/or fish kills as a result of small releases of concentrated chlorpyrifos.
In July 2013 the Environment Agency investigated an insect kill which resulted when a small quantity (estimated to be two teaspoonfuls (10 millilitres)), of chlorpyrifos, an organophosphate insecticide used in ant poison and available in garden centres, was flushed into the river killing the freshwater shrimp and most other arthropods on the stretch of the river between Marlborough and Hungerford.
Insecticides including malathion, parathion, diazinon, fenthion, dichlorvos, chlorpyrifos, ethion, trichlorfon
Chlorpyrifos is produced via a multistep synthesis from 3-methylpyridine, eventually reacting 3,5,6-trichloro-2-pyridinol with diethylthiophosphoryl chloride.
3-Picoline is a useful precursor to agrochemicals, such as chlorpyrifos.
On 18 March 2016, based on the forensic test from the Regional Chemical Examiner’s Laboratory, death cause was identified with high probability a highly poisonous chemical, Chlorpyrifos—usually used in insecticides, which is banned in many countries for residential use, it is considered as a hazardous substance for general ecology.
fine chemicalsspecialty chemicalSpecialty chemicals
Pyridine derivatives are found in both well-known Diquat and Chlorpyrifos herbicides, and in modern nicotinoid insecticides, such as Imidacloprid.
His area of expertise was primarily the toxicity of formaldehyde, as well as chlorpyrifos, and he has acted as an expert witness and consultant since 1984.
Chlorethoxyfos has a O-alkyl phosphorothioate type of phosphorus group which makes it similar to compounds such as chlorpyriphos-methyl, coumaphos, diazinon, dichlofenthion, fenitrothion, fenthion, parathion, parathion-methyl, pyrazophos, pyrimiphos-methyl, sulfotep, temephos, and thionazin.
Cupriavidus nantongensis is a Gram-negative, chlorpyrifos-degrading and aerobic bacterium from the genus of Cupriavidus which has been isolated from sludge from Nantong in China.
Professional pest control experts may use potentially harmful substances such as chlorpyrifos.
Several incidents of death in travelers in Thailand and other parts of Southeast Asia may have been caused by aluminum phosphide or chlorpyrifos, an organophosphate insecticide, used in an attempt to kill bedbugs in hotels.
pesticidesbeesInsecticides can kill bees
Chemicals such as trichlorfon and chlorpyrifos, cypermethrin and lambda-cyhalothrin can be applied as soil drenches.
TCPy or 3,5,6-trichloro-2-pyridinol is a metabolite of chlorpyrifos and chlorpyrifos-methyl, both organophosphate insecticides.
ADHDattention deficit disorderhyperactivity
Exposure to the organophosphate insecticides chlorpyrifos and dialkyl phosphate is associated with an increased risk; however, the evidence is not conclusive.
eradicating bed bugsbed bug eradicationexterminator
Up until the 1990s chlorpyrifos was used as an agent with longterm effect, but the EC biocide declaration 98/8 prohibited the use from August 2008 onward.
Dourson's organization TERA has studied many substances whose use has been the matter of public debate, including chlorpyrifos (a pesticide), diacetyl (a food additive), ammonium perchlorate (a rocket fuel), 1-bromopropane (an industrial solvent), and perfluorooctanoic acid (PFOA) (a plastics production chemical).
Jack jumpersM. pilosula
Chemicals like bendiocarb, chlorpyrifos, diazinon and permethrin are effective against them.