Methyl parathion
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  • Parathion-methyl, also known as methyl parathion or dimethyl parathion.
  • Methyl parathion, sometimes called "cotton poison," is a chemical pesticide that should be used only in open fields to control insects.
  • Methyl parathion was originally developed by the German pesticide company Bayer. It is a non-systemic pesticide that kills pests by acting as a stomach poison.
  • A fast and ultra-sensitive trace analysis of methyl parathion pesticides in a polydimethylsiloxane (PDMS) microfluidic channel was investigated using confocal surface-enhanced Raman spectroscopy (SERS).
  • Methyl parathion hydrolase mph gene was cloned from a novel bacterium Pseudomonas stutzeri HS-D36.
  • Methyl parathion comes in two forms: a pure form of white crystals and a technical-grade
    solution (brownish liquid), which contains methyl parathion (80%) and inactive ingredients in a
  • A simple, rapid and sensitive colorimetric dipstick assay for the detection of the organophosphorous insecticide methyl parathion (MPT) residue in vegetables.
  • The Agency for Toxic Substances and Disease Registry analyzed concurrently collected data on
    environmental methyl parathion (MP) and urinary p-nitrophenol (PNP) at the request of the U.S.
    Environmental Protection Agency (U.S. EPA).
  • The primary method for detecting methyl parathion and metabolites in biological tissues is gas
    chromatography (GC) coupled with electron capture (ECD), flame photometric (FPD), or flame
    ionization detection (FID). Sample preparation for methyl parathion analysis routinely involves
    extraction with an organic solvent (e.g., acetone or benzene), centrifugation, concentration, and
    resuspension in a suitable solvent prior to GC analysis.
  • Bioconjugation of quantum dots (QDs) provide high resolution in biological fluorescent labelling as a result of physical and optical properties of QDs. The bioconjugation of thiol stabilized CdTe QD used for the sensitive detection of methyl parathion (MP) at picogram level.
  • The mechanism for the hydrolysis of methyl parathion (MP) by a bifunctional quaternary-ammonium based longchained
    organclay (LCOC) containing an alkylamine (-CH2- CH2-NH2) headgroup was elucidated.
  • A soil bacterium capable of utilizing methyl parathion as sole carbon and energy source was isolated by selective enrichment on minimal medium containing methyl parathion. Methyl parathion hydrolase , isolated from the soildwelling
    bacterium Pseudomonas sp. WBC-3, is a Zn(II)-containing enzyme that catalyzes the degradation of the organophosphate pesticide methyl parathion.
  • The relationships between the catalyst physicochemical properties and its photocatalytic activity have been investigated and elucidated in the photodegradation of the organophosphate insecticide methylparathion.
  • A novel carbon fiber microelectrode (CFME) was obtained by tetrasulfonated phtalocyanine (p-NiTSPc) electrodeposition on carbon surface combined with Nafion® coating for the detection of methyl-parathion (MPT).
  • A facilitative and efficient promoter-trapping vector, pUC-mpd, was constructed with the promoterless methyl parathion hydrolase gene as the reporter.
  • Methyl parathion (Me-Pa),
    a worldwide-used OP, has reproductive adverse effects and is genotoxic to sperm.
  • Field populations of western corn rootworm, Diabrotica virgifera virgifera LeConte, were collected from three different sites in Nebraska. Adult bioassays of these three populations were conducted with different concentrations of methyl-parathion and at a diagnostic concentration (1.0 g/ml) to determine resistance levels among these populations.
  • The cholinergic system has been proposed to participate in the development of dependence on opioids this examined the effects of dermal pretreatment with
    methyl parathion (MP), an acetylcholinesterase inhibitor, on the development of physical
    dependence on morphine.
General Information
  • About Methyl Parathion
  • Methyl Parathion Fact Sheet
  • Methyl Parathion FAQ's
  • Methyl Parathion Pesticide Information Profile

Production  & Process

  • Methyl Parathion - Production , Import, Use and Disposal
  • Biodegradation of methyl parathion and p-nitrophenol:
    evidence for the presence of a p-nitrophenol 2-hydroxylase
    in a Gram-negative Serratia sp. strain DS001
  • Crystal Structure of Methyl Parathion Hydrolase from
    Pseudomonas sp. WBC-3
  • Effect on ZN(ii) on acid hydrolysis of Methyl Parathion
  • Isolation of Methyl Parathion-Degrading Strain M6 and Cloning
    of the Methyl Parathion Hydrolase Gene
  • Metabolism of c-labelled Methyl Parathion compounds
  • Photocatalytic degradation of methylparathion—An endocrine
    disruptor by Bi3+-doped TiO2


  • Analysis of Environmental and Biologic Methyl Parathion Data to Improve Future Data Collection
  • Methyl Parathion - Analytic Method
  • Methyl Prathion - Sampling Method
  • A Mechanistic Study of Methyl
    Parathion Hydrolysis by a
    Bifunctional Organoclay
  • Aqueous synthesis of CdTe quantum dot as biological
    fluorescent probe for monitoring methyl parathion by fluoroimmunosensor


  • Construction and application of a promoter-trapping vector with methyl parathion hydrolase gene mpd as the reporter
  • Correlation between inhibition of photosynthesis and growth
    of Chlorella treated with methyl parathion
  • Methyl-parathion decreases sperm function and fertilization capacity after targeting spermatocytes and maturing spermatozoa
  • Application of methyl parathion hydrolase (MPH) as a labeling enzyme
  • Evaluating Acute Toxicity of Methyl Parathion Application in Constructed Wetland Mesocosms
  • Inheritance of Methyl-parathion
    Resistance in Nebraska Western Corn Rootworm Populations (Coleoptera: Chrysomelidae)
  • Methyl Parathion Masks Withdrawal from Physical
    Dependence on Morphine
  • In vitro study on the influence of methyl parathion on soil bacterial activity


  • Analysis of bacteria degradation products of methyl parathion
    by liquid chromatography /electrospray time-of-flight mass
    spectrometry and gas chromatography /mass spectrometry
  • Electrochemical stripping analysis of methyl-parathion (MPT)
    using carbon fiber microelectrodes (CFME) modified with combinations of poly-NiTSPc and Nafion® films
  • Electrochemical Detection of Methyl Parathion using
    poly-(4-amino-3-hydroxynaphthalene -1-sulphonic acid) Modified Glassy Carbon Electrode
  • Sensitive and Selective Electrochemical Analysis of
    Methyl-parathion (MPT) and 4-Nitrophenol (PNP) by a New Type
    p-NiTSPc/p-PPD Coated Carbon Fiber Microelectrode (CFME)
  • Methyl Parathion in Residential Properties: Relocation and Decontamination Methodology

Management Standards

  • Methyl parathion : supporting documentation from the European
  • Methyl parathion:  supporting documentation provided by Bulgaria
  • Recommendation for Methyl Parathion standard
  • Methyl Parathion FAO Standards

Equipment Suppliers

  • FPD detector
  • Hewlett-
    Packard 5730A
  • DB-210 Megabore
  • Vials, 2 and 4-mL glass with PTFE-lined septa.
  • Volumetric flasks
  • Pipettes
  • Syringes
Company Profiles
  • Company from China
  • Company from India
  • Company from Mumbai
  • Company from USA


  • Consultant from Georgia
  • Consultant from Jordon
  • Consultant from New York
  • Consultant from USA
  • Consultant from Washington


  • Plant from Delhi
  • Plant from Gujarat
  • Plant from Orissa


  • Methyl Parathion 4 EC
  • Parathion-methyl
  • Safety data for methyl parathion


  • Microencapsulated methyl and ethyl parathion insecticide in aqueous carrier.
  • Low-freezing methyl parathion solutions.
  • Stable water dispersions of encapsulated parathion


  • Bioassay of Methyl Parathion for possible carcinogenicity
  • Methyl Parathion - Environmental Health Criteria
  • National Registration Authority for Agricultural and Veterinary Chemicals, Australia
  • Methyl parathion : supporting documentation from the European Community
  • Methyl Parathion in Drinking-water Background document for development of WHO Guidelines for Drinking-water Quality


  • Effect of Fulvic Acid on Adsorption of Methyl Parathion and Parathion by Ca2+- and Fe3+ - Montmorillonite Suspensions.
  • Ecotoxicological effects of Methyl parathion on living
    things and environment
  • Characterization of General Esterases from Methyl Parathion-Resistant and
    -Susceptible Populations of Western Corn Rootworm (Coleoptera: Chrysomelidae)
  • Effects of Methylparathion on the Reproductive System in Male Frogs, Hoplobaprachus rugulosus
  • Flight Behavior of Methyl-Parathion-Resistant and -Susceptible Western Corn Rootworm (Coleoptera: Chrysomelidae)
    Populations from Nebraska
  • Stability and persistence of aldrin and methyl-parathion resistance in western
    corn rootworm populations (Coleoptera: Chrysomelidae)

Safety Risk

  • Methyl Parathion Analysis of Risks to Endangered and Threatened Salmon and Steelhead
  • Comments on Preliminary Risk Assessment Document for Methyl Parathion
  • Methyl Parathion Risk Characterization document dietary and ambient air exposures
  • Reregistration Eligibility Decision for Methyl Parathion
  • Chicago Area Methyl Parathion Response


  • Evaluating Methyl Parathion as a toxic air contaminant
  • Toxicological Profile for Methyl Parathion
  • Toxicity of sodium chloride and methyl parathion on the macrophyte Lemna minor (Linnaeus, 1753) with respect to frond number and chlorophyll

Raw Material Suppliers & Suppliers

  • Hydrogen, air, oxygen, and nitrogen, GC grade.
  • Toluene, Pesticide grade.
  • Methyl Parathion Exporters
  • Methyl Parathion Manufacturer & Suppliers
  • Methyl Parathion World Wide
  • Methyl Parathion Selling Leads
  • Methyl Parathion suppliers list

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