Dike far ahead of the spill for later recovery or di sposal. However, exposure to methyl parathion may occur at farms where it has been used as a pesticide. Methyl parathion, sometimes called cotton poison, is a chemical pesticide that should be used only in open fields to control insects. 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. To maintain this coverage cornell provides infotrac with sds information for all hazardous materials shipped. Methyl parathion can be rapidly absorbed through all skin surfaces. It is a category i toxicant, and thus, is classified as a restricteduse. 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. Ingestion of parathion methyl may result in sudden onset of seizures or loss of consciousness.
Major support and funding was provided by the usdaextension service. Methyl parathion is mobile to relatively mobile in soil. Buy high purity methyl parathion analytical standards from chem service inc. The percentage removal of methyl parathion and ethyl parathion was determined through uvvisible spectrophotometer at 276 nm and 277 nm, respectively. Isolation of methyl parathiondegrading strain m6 and. Safety data sheets and other chemical safety information are available online. India veritas house, 70 mint road, fort, mumbai 400 001. This list of hazardous materials totals over chemicals and is updated as needed. Methyl parathion 4 ec page 1 of 7 msds revision date ddmmyyyy. O,odimethyld 6 o4nitrophenyl phosphorothioate, methyl parathion d 6.
It is structurally very similar to parathion ethyl. July 12 and, 2011 meeting of the developmental and reproductive toxicant identification committee dart ic. 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. Chemistry, biochemistry, and toxicology of pesticides. Among the most extremely acutely toxic pesticides, parathion is notorious for the number and severity of human poisonings it causes each year. When 200 mg of methyl parathion ml was added to the liquid medium, it was decomposed into pnitrophenol in less than 15 min fig. Parathion is an organic thiophosphate, a cnitro compound and an organothiophosphate insecticide. Sp1 application of the substance the mixture reagents and standards for analytical chemical laboratory use details of the supplier of the safety. It addresses the potential human health effects arising from. Summary of healthrelated pesticide incidents reported in. The results showed that m6 had strong methyl parathiondegrading ability. 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. Methyl parathion is a brownish liquid that turns milky.
See fao guidelines on prevention of accumulation of obsolete pesticide stocks and the pesticide storage and stock control manual. These methyl parathion manufacturing companies are providing good quality products at low prices. Ensure spilled product does not enter drains, sewers, waterways, or confined spaces. The maximum absorption peak of methyl parathion was recorded at 273 nm. Methyl parathion can be rapidly absorbed through all skin and eye surfaces. 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. Apf 10 any airpurifying halfmask respirator with organic vapor cartridges in combination with an n95, r95, or p95 filter. Empirical formula hill notation c 8 d 6 h 4 no 5 ps. Toxicological information from pesticide labels, material safety. It was originally developed by ig farben in the 1940s. Parathion is a compound, which inhibits cholinesterase enzyme activity in the nervous tissue. Pocket guide to chemical hazards material type value methyl parathion cas twa 0. A wide variety of methyl parathion options are available to you, such as grade standard.
Methyl parathion contains 4 pounds of methyl parathion. Prioritization chemicals identified for consultation with the proposition 65 developmental and reproductive toxicant identification committee. Benzoapyrene, deltamethrin, methyl parathion, uranium and xylene. The toxicity of methyl parathion is a function of anticholinesterase activity 6 responses that result in effects characteristic of cholinergicmediated function e.
Since occurrence of resistant individuals is difficult to detect prior to use, crop care australasia pty ltd accepts no liability for any. It is not allowed for sale and import in nearly all countries around the world, while a few allow it. Supplemental data for a developmental toxicity study in rabbits. Methyl parathion represents the oldest generation of anticholinesterase insecticides that exhibit marked mammalian toxicity. Chemwatch sds library cornell ehs cornell university.
Material safety data sheet methyl acetate section 1 chemical product and company identification msds name. Methyl parathion is an insecticide and acaricide used to control boll weevils and many biting or sucking insect pests of agricultural crops. Some reports attribute specific cases of poisoning to methyl parathion. Material safety data sheet methyl acetate section 1 chemical product and company identification. Methyl parathions acute oral ld50 for male rats is almost identical to that of parathion, i. Rescision of previously issued order and issuance of revised cancellation order for certain pesticide registrations, july 27, 2010. Cdc niosh pocket guide to chemical hazards methyl parathion.
Notice of receipt of request to voluntarily cancel certain pesticide registrations september 22, 2010 comment period closes on october 22, 2010. Methyl parathion detection in vegetables and fruits using. Breathing dusts, or aerosols, may be extremely dangerous. Methyl parathion is available in dust, emulsifiable concentrate, ulv. Cornell university ehs office internet msds sites science lab list of msds for over 4,000 commonly used chemicals. No information is available on reproductive effects of parathion in humans. Request pdf on jan 31, 2014, gang zhao and others published biodegradation of methyl parathion in the presence of goethite. This substanceagent has not undergone a complete evaluation and determination under us epas iris program for evidence of human carcinogenic. Sorption of pesticides in soil or other porous media is an important process regulating pesticide transport and degradation. Rescision of previously issued order and issuance of revised cancellation order. Data sheet sds database consisting of over 250,000 chemwatch authored. Adsorption models for sustainable agriculture noshabahtabassum, 1 uzairarafique, 1 khaleds. Contact with skin, i nhalation of dust or spray, or swallowing may be fatal.
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 an acetylcholinesterase inhibitor, and excessive exposure can cause sweating, salivation, diarrhea, bradycardia, bronchoconstriction, muscle fasciculations, and coma. Departmen of healtht, education and welfar, e public healt servich e national institute of healts h. Parathion ec material safety data sheet villa crop.
Methyl parathion is used to kill insects on farm crops, especially cotton. Methyl parathion is available in dust, emulsifiable concentrate, ulv liquid, microencapsules and wettable powder formulations. This product can kill you if swallowed even in small amounts. Research article chemodynamics of methyl parathion and ethyl parathion. Methyl parathion is not meant to be used inside buildings or homes. Methyl parathion manufacturers, methyl parathion suppliers. Methyl parathion is an organophosphate op insecticide and acaricide, which is registered to control insect pests on food, feed and fiber crops. Research article chemodynamics of methyl parathion and ethyl. The equilibrium between adsorbate and adsorbent was attained in 12 hours.
Parathion methyl, or methyl parathion, is an organophosphate insecticide, possessing an organothiophosphate group. Methyl parathion is a white crystalline solid which is often dissolved in a liquid solvent carrier. Balkhair, 2 andmuhammadaqeelashraf 3 department of environmental sciences, fatima jinnah women university, e mall, rawalpindi, pakistan. The commercial product is a tan liquid xylene solution with a pungent odor. Usually with the liquid solvent it is a combustible liquid. This product is now cancelled, when it was registered it was used for the following. A pesticide information project of cooperative extension offices of cornell university, michigan state university, oregon state university, and university of california at davis.
Causes symptoms similar to those listed for inhalation. About 0% of these are dyestuff intermediates, 0% are pharmaceutical intermediates, and 0% are syntheses material intermediates. The effectiveness of crop care methyl parathion on resistant individuals could be significantly reduced. Chemodynamics of methyl parathion and ethyl parathion. However, the low persistence of methyl parathion is expected to limit the extent of offsite movement, \blatilization is another route of dissipation, and. It is highly toxic to nontarget organisms, including humans, so its use has been banned or restricted in most countries. It kills insects by contact, stomach and respiratory action. Methyl parathion page 6 of 36 interim 092009 1 2 executive summary 3 4 methyl parathion is an organophosphorous compound used as a broad spectrum 5 insecticide. Ipecac should not be administered to children under 6 months of age. 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 technicalgrade methyl parathion smells like rotten eggs or garlic. In addition to its acute toxicity, there is evidence that parathion is a chronic neurotoxin, carcinogen. Two of the unlikely incidents involved reported methyl parathion. Find here list of methyl parathion cas no 298000, methyl parathion manufacturers, methyl parathion suppliers and exporters. Biodegradation of methyl parathion in the presence of goethite. Methyl parathion is a pesticide that is used to kill insects on crops.
When 200 mg of methyl parathionml was added to the liquid medium, it was decomposed into pnitrophenol in less than 15 min fig. Parathion is readily absorbed into the bloodstream from the skin, lungs or gut. The epa now restricts how methyl parathion can be used and applied. Skin designation methyl parathion cas 298000 can be absorbed through the skin. Impure methyl parathion is a brownish liquid that smells like rotten eggs. Most commonly, it is used on cotton, soybean and vegetable fields. Response to comments detailing errors in the draft efed red chapter for methyl parathion. Cornell ehs provides campus wide access to chemwatch, an online safety data sheet sds database consisting of over 250,000 chemwatch authored documents, and million vendor supplied documents. Parathion, also called parathion ethyl or diethyl parathion and locally clarification needed known as folidol, is an organophosphate insecticide and acaricide. Search results for methyl parathion at sigmaaldrich. P is an organophosphorus pesticide recommended for controlling chewing and sucking type of pests and mites. 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. Parathion methyl, or methyl parathion, is an organophosphate insecticide, possessing an.
Journal of toxicology and environmental health b critical. Isolation of methyl parathiondegrading strain m6 and cloning. Toxicity studies with methyl nmethylamino carbonyloxyethanimidothioate. Major support and funding was provided by the usdaextension servicenational. Research article chemodynamics of methyl parathion and. Parathion methyl d6 dimethyld 6 pestanal, analytical standard synonym. The results showed that m6 had strong methyl parathion degrading ability. The vapor pressure of parathion is so low that breathing the vapor alone is not a likely source of poisoning.
Material safety data sheet for methyl parathion, product number. Pharmacokinetics and pharmacodynamics of methyl parathion. Safety data sheets and other chemical safety information are a vailable online. Methyl parathion is removed more efficiently by seven orders of magnitude than ethyl parathion. In order for infotrac to provide coverage, your material must be on the sds list.
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