Methyl parathion, sometimes called cotton poison, is a chemical pesticide that should be used only in open fields to control insects. Methyl parathion synonyms, methyl parathion antonyms. Methyl parathion is not meant to be used inside buildings or homes. No information is available on reproductive effects of parathion in humans. Isolation of methyl parathiondegrading strain m6 and cloning. These procedures were designed and tested for internal use by osha personnel.
Canadian ingredient disclosure list section 16 additional information msds creation date. Methyl parathion is an insecticide and acaricide used to control boll weevils and many biting or sucking insect pests of agricultural crops. Notice of receipt of request to voluntarily cancel certain pesticide registrations september 22, 2010 comment period closes on october 22, 2010. Metacid metacid 50 metafos metaphos methyle 605 methyl fosferno methyl niran methyl parathion metilparation metron metyloparation metylparation. Methyl parathion is a very dangerous poison through inhalation.
Methyl parathion 4 ec page 1 of 7 msds revision date ddmmyyyy. Osha no component of this product present at levels greater. It is characterized as a reddishyellow oily liquid with a faint fruity odor, and exposure occurs by inhalation, ingestion, or contact. It is highly toxic to nontarget organisms, including humans, so its use has been banned or restricted in most countries. Methyl parathion is an organophosphate op insecticide and acaricide, which is registered to control insect pests on food, feed and fiber crops. Methyl parathion is one of the most toxic and widely used organophosphate pesticides.
Methyl parathion is a white crystalline solid which is often dissolved in a liquid solvent carrier. Parathion methyl, or methyl parathion, is an organophosphate insecticide, possessing an organothiophosphate group. Pdf as the organophosphorus pesticides op is slightly soluble in water, addition of organic solvents is needed for residue analysis. Parathion methyl d6 dimethyld6 pestanal, analytical standard. Links with this icon indicate that you are leaving the cdc website the centers for disease control and prevention cdc cannot attest to the accuracy of a nonfederal website. The maximum absorption peak of methyl parathion was recorded at 273 nm. Gujarat, madhya pradesh, rajasthan, maharashtra, punjab, andhra pradesh, telangana, uttar pradesh, uttarakhand, haryana, himachal pradesh, karnataka, kerala. Under certain exposure conditions, methyl parathion can affect the central nervous system resulting in dizziness, headache, difficulty breathing, vomiting, diarrhea, tremors, blurred vision, sweating, and possibly death. It is an organic phosphate insecticide which acts as an inhibitor of cholinesterase, and as such it is highly toxic by all routes of exposure. In addition to its acute toxicity, there is evidence that parathion is a chronic neurotoxin, carcinogen. It was originally developed by ig farben in the 1940s.
Methyl parathion 4 ec page 2 of 7 msds revision date ddmmyyyy. Rescision of previously issued order and issuance of revised cancellation order for certain pesticide registrations, july 27, 2010. Methyl parathion is available in dust, emulsifiable concentrate, ulv. Parathion is a compound, which inhibits cholinesterase enzyme activity in the nervous tissue. P is an organophosphorus pesticide recommended for controlling chewing and sucking type of pests and mites. Parathion, also called parathion ethyl or diethyl parathion and locally clarification needed known as folidol, is an organophosphate insecticide and acaricide. However, exposure to methyl parathion may occur at farms where it has been used as a pesticide. Msds contains all of the information required by those regulations. We export methyl parathion 2% dp to countries like nigeria.
Methyl parathion 2% dp insecticide manufacturer india. Tolerances or maximum residue limits for ethyl parathion and its methyl homolog methyl parathion have been established for several commodities please see 40 cfr 180. Methyl parathion definition of methyl parathion by. Search results for methyl parathion at sigmaaldrich.
Us environmental protection agency office of pesticide programs reregistration eligibility decision for methyl parathion when epa concluded the organophosphate op cumulative risk assessment in july 2006, all tolerance reassessment and reregistration eligibility decisions for individual op pesticides were considered complete. Methyl parathion penncapm cancellation request 1099. Methyl parathion definition of methyl parathion by merriam. This sds was prepared in accordance with 29 cfr 1910. When 200 mg of methyl parathion ml was added to the liquid medium, it was decomposed into pnitrophenol in less than 15 min fig. The epa now restricts how methyl parathion can be used and applied. Methyl parathion c8h10no5ps cid 4 structure, chemical names, physical. Methyl parathion is removed more efficiently by seven orders of magnitude than ethyl parathion. Methyl parathion definition is a highly toxic synthetic organophosphate insecticide c8h10no5ps. Parathion, also called parathionethyl or diethyl parathion and locally clarification needed known as folidol, is an organophosphate insecticide and acaricide. These methyl parathion manufacturing companies are providing good quality products at low prices. Ipecac should not be administered to children under 6 months of age.
It is structurally very similar to parathion ethyl. Sorption of pesticides in soil or other porous media is an important process regulating pesticide transport and degradation. The commercial product is a tan liquid xylene solution with a pungent odor. Apf 10 any airpurifying halfmask respirator with organic vapor cartridges in combination with an n95, r95, or p95 filter. This substanceagent has not undergone a complete evaluation and determination under us epas iris program for evidence of human carcinogenic. Estimating solubility of parathion in organic solvents. Find here list of methyl parathion cas no 298000, methyl parathion manufacturers, methyl parathion suppliers and exporters. Rivera agrical is suppliers of methyl parathion 2% dp to varies states of india i. Structure, properties, spectra, suppliers and links for.
Parathionmethyld6 dimethyld6 pestanal, analytical standard. It may be attributed to more available binding sites and less steric hindrance of methyl parathion. The general population is probably not exposed to methyl parathion. Contact with skin, i nhalation of dust or spray, or swallowing may be fatal. Usually with the liquid solvent it is a combustible liquid.
Parathion, an organic phosphorus compound well known as an insecticide that is extremely toxic to humans. Ingestion of parathion methyl may result in sudden onset of seizures or loss of consciousness. Methyl parathion is available in dust, emulsifiable concentrate, ulv liquid, microencapsules and wettable powder formulations. Chemodynamics of methyl parathion and ethyl parathion.
See actual entry in rtecs for complete information. Linking to a nonfederal website does not constitute an endorsement by cdc or any of its employees of the sponsors or the information and products presented on the website. Methyl parathion is a brownish liquid that turns milky. Isolation of methyl parathiondegrading strain m6 and. Department of health and human services public health service agency for toxic substances and disease registry. This material can cause rapid organophosphorous poisoning.
Most commonly, it is used on cotton, soybean and vegetable fields. Parathion ec material safety data sheet page 3 of 5 authorities immediately in accordance with local regulations. Parathion is a deep brown to yellow liquid with a faint odor of garlic. Methyl parathion detection in vegetables and fruits using. Rivera agrical is methyl parathion 2% dp manufacturer in india.
Methyl parathion article about methyl parathion by the. Methyl parathion is a pesticide that is used to kill insects on crops. Cdc niosh pocket guide to chemical hazards methyl parathion. It is a category i toxicant, and thus, is classified as a restricteduse. Mention of any company name or commercial product does not constitute endorsement by osha. Skin designation methyl parathion cas 298000 can be absorbed through the skin. The results showed that m6 had strong methyl parathiondegrading ability. Methyl parathion represents the oldest generation of anticholinesterase insecticides that exhibit marked mammalian toxicity. Use water spray to reduce vapours contain any water used. It kills insects by contact, stomach and respiratory action. Parathion is on the right to know hazardous substance. The compound acts in mammals, as in insects, as a cholinesterase inhibitor cholinesterase being the enzyme that controls the normal functioning of the nervous system, causing death by.
Pdf estimating solubility of parathion in organic solvents. The percentage removal of methyl parathion and ethyl parathion was determined through uvvisible spectrophotometer at 276 nm and 277 nm, respectively. It is not allowed for sale and import in nearly all countries around the world, while a few allow it under subject to specified conditions only. It is not allowed for sale and import in nearly all countries around the world, while a few allow it. Methyl parathion is used to kill insects on farm crops, especially cotton. Methyl parathion is an acetylcholinesterase inhibitor, and excessive exposure can cause sweating, salivation, diarrhea, bradycardia, bronchoconstriction, muscle fasciculations, and coma. If elapsed time since ingestion of parathion methyl is unknown or suspected to be greater than 30 minutes, do not induce vomiting and proceed to step 4. When 200 mg of methyl parathionml was added to the liquid medium, it was decomposed into pnitrophenol in less than 15 min fig. Methyl parathion article about methyl parathion by the free dictionary. Pocket guide to chemical hazards material type value methyl parathion cas twa 0. This material is highly toxic to fish and wildlife.
Methyl parathion investigated as an agricultural chemcial, mutagen, reproductive effector, and tumorigen. Metacid metacid 50 metafos metaphos methyl e 605 methyl fosferno methyl niran methyl parathion metilparation metron metyloparation metylparation. Among the most extremely acutely toxic pesticides, parathion is notorious for the number and severity of human poisonings it causes each year. Buy high purity methyl parathion analytical standards from chem service inc. Impure methyl parathion is a brownish liquid that smells like rotten eggs. Methyl parathion manufacturers, methyl parathion suppliers. Only select registry of toxic effects of chemical substances rtecs data is presented here. Methyl parathions acute oral ld50 for male rats is almost identical to that of parathion, i. The equilibrium between adsorbate and adsorbent was attained in 12 hours. Paraoxon is a synthetic aryl dialkyl phosphate compound and organophosphate acetylcholinesterase inhibitor that is the active metabolite of the insecticide parathion and is used as a pesticide. By the dermal route, methyl parathion is much less toxic than parathion, with an ld50 of 67 mgkg in rats of both sexes hayes 1963ex. Epa initiated the negotiations with registrants after methyl parathion was found to pose unacceptable dietary risks, especially to children. Material safety data sheet for methyl parathion, product.
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