Skin designation methyl parathion cas 298000 can be absorbed through the skin. Methyl parathion 4 ec page 2 of 7 msds revision date ddmmyyyy. 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. Pdf estimating solubility of parathion in organic solvents. Impure methyl parathion is a brownish liquid that smells like rotten eggs. Methyl parathion detection in vegetables and fruits using. Osha no component of this product present at levels greater. Methyl parathion manufacturers, methyl parathion suppliers. Methyl parathion penncapm cancellation request 1099. P is an organophosphorus pesticide recommended for controlling chewing and sucking type of pests and mites. Only select registry of toxic effects of chemical substances rtecs data is presented here. When 200 mg of methyl parathion ml was added to the liquid medium, it was decomposed into pnitrophenol in less than 15 min fig.
Methyl parathion is used to kill insects on farm crops, especially cotton. Methyl parathion article about methyl parathion by the. Rivera agrical is suppliers of methyl parathion 2% dp to varies states of india i. It kills insects by contact, stomach and respiratory action. Rescision of previously issued order and issuance of revised cancellation order. Isolation of methyl parathiondegrading strain m6 and. Rescision of previously issued order and issuance of revised cancellation order for certain pesticide registrations, july 27, 2010. The equilibrium between adsorbate and adsorbent was attained in 12 hours. It is structurally very similar to parathion ethyl. Pdf as the organophosphorus pesticides op is slightly soluble in water, addition of organic solvents is needed for residue analysis. 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. Among the most extremely acutely toxic pesticides, parathion is notorious for the number and severity of human poisonings it causes each year. 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. This sds was prepared in accordance with 29 cfr 1910.
Epa initiated the negotiations with registrants after methyl parathion was found to pose unacceptable dietary risks, especially to children. 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. 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 definition of methyl parathion by merriam. Methyl parathion article about methyl parathion by the free dictionary. We export methyl parathion 2% dp to countries like nigeria.
Use water spray to reduce vapours contain any water used. Methyl parathion is a white crystalline solid which is often dissolved in a liquid solvent carrier. Methyl parathion 2% dp insecticide manufacturer india. Methyl parathion investigated as an agricultural chemcial, mutagen, reproductive effector, and tumorigen. It is not allowed for sale and import in nearly all countries around the world, while a few allow it. Department of health and human services public health service agency for toxic substances and disease registry. This substanceagent has not undergone a complete evaluation and determination under us epas iris program for evidence of human carcinogenic. The results showed that m6 had strong methyl parathion degrading ability. Parathionmethyld6 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. Methyl parathion 4 ec page 1 of 7 msds revision date ddmmyyyy. These methyl parathion manufacturing companies are providing good quality products at low prices. Find here list of methyl parathion cas no 298000, methyl parathion manufacturers, methyl parathion suppliers and exporters. It is a category i toxicant, and thus, is classified as a restricteduse. Methyl parathion synonyms, methyl parathion antonyms. Methyl parathion definition is a highly toxic synthetic organophosphate insecticide c8h10no5ps. Buy high purity methyl parathion analytical standards from chem service inc. Parathion, also called parathionethyl or diethyl parathion and locally clarification needed known as folidol, is an organophosphate insecticide and acaricide. Methyl parathion is a very dangerous poison through inhalation.
Notice of receipt of request to voluntarily cancel certain pesticide registrations september 22, 2010 comment period closes on october 22, 2010. Canadian ingredient disclosure list section 16 additional information msds creation date. Ipecac should not be administered to children under 6 months of age. The percentage removal of methyl parathion and ethyl parathion was determined through uvvisible spectrophotometer at 276 nm and 277 nm, respectively. Methyl parathion is available in dust, emulsifiable concentrate, ulv. Rivera agrical is methyl parathion 2% dp manufacturer in india.
Methyl parathion is not meant to be used inside buildings or homes. Methyl parathion, sometimes called cotton poison, is a chemical pesticide that should be used only in open fields to control insects. Methyl parathion is removed more efficiently by seven orders of magnitude than ethyl parathion. The general population is probably not exposed to methyl parathion. It is characterized as a reddishyellow oily liquid with a faint fruity odor, and exposure occurs by inhalation, ingestion, or contact. Structure, properties, spectra, suppliers and links for. Parathion, also called parathion ethyl or diethyl parathion and locally clarification needed known as folidol, is an organophosphate insecticide and acaricide. Methyl parathion is an acetylcholinesterase inhibitor, and excessive exposure can cause sweating, salivation, diarrhea, bradycardia, bronchoconstriction, muscle fasciculations, and coma. Sorption of pesticides in soil or other porous media is an important process regulating pesticide transport and degradation. The epa now restricts how methyl parathion can be used and applied.
Estimating solubility of parathion in organic solvents. 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. Most commonly, it is used on cotton, soybean and vegetable fields. Methyl parathion is available in dust, emulsifiable concentrate, ulv liquid, microencapsules and wettable powder formulations.
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 a pesticide that is used to kill insects on crops. Parathion, an organic phosphorus compound well known as an insecticide that is extremely toxic to humans. This material is highly toxic to fish and wildlife. Isolation of methyl parathiondegrading strain m6 and cloning. These procedures were designed and tested for internal use by osha personnel. In addition to its acute toxicity, there is evidence that parathion is a chronic neurotoxin, carcinogen. Material safety data sheet for methyl parathion, product. See actual entry in rtecs for complete information.
Contact with skin, i nhalation of dust or spray, or swallowing may be fatal. Parathion is on the right to know hazardous substance. It was originally developed by ig farben in the 1940s. It is highly toxic to nontarget organisms, including humans, so its use has been banned or restricted in most countries. Mention of any company name or commercial product does not constitute endorsement by osha. Search results for methyl parathion at sigmaaldrich. However, exposure to methyl parathion may occur at farms where it has been used as a pesticide. This material can cause rapid organophosphorous poisoning. Ingestion of parathion methyl may result in sudden onset of seizures or loss of consciousness. Apf 10 any airpurifying halfmask respirator with organic vapor cartridges in combination with an n95, r95, or p95 filter. Pocket guide to chemical hazards material type value methyl parathion cas twa 0. Methyl parathions acute oral ld50 for male rats is almost identical to that of parathion, i. 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. 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.
Parathion methyl, or methyl parathion, is an organophosphate insecticide, possessing an organothiophosphate group. Methyl parathion definition of methyl parathion by. Methyl parathion represents the oldest generation of anticholinesterase insecticides that exhibit marked mammalian toxicity. Parathion methyl d6 dimethyld6 pestanal, analytical standard. Methyl parathion is an insecticide and acaricide used to control boll weevils and many biting or sucking insect pests of agricultural crops. Gujarat, madhya pradesh, rajasthan, maharashtra, punjab, andhra pradesh, telangana, uttar pradesh, uttarakhand, haryana, himachal pradesh, karnataka, kerala. Msds contains all of the information required by those regulations. Chemodynamics of methyl parathion and ethyl parathion. It may be attributed to more available binding sites and less steric hindrance of methyl parathion. The maximum absorption peak of methyl parathion was recorded at 273 nm. Parathion is a deep brown to yellow liquid with a faint odor of garlic.
Methyl parathion is one of the most toxic and widely used organophosphate pesticides. Methyl parathion c8h10no5ps cid 4 structure, chemical names, physical. Parathion ec material safety data sheet page 3 of 5 authorities immediately in accordance with local regulations. Metacid metacid 50 metafos metaphos methyle 605 methyl fosferno methyl niran methyl parathion metilparation metron metyloparation metylparation. Usually with the liquid solvent it is a combustible liquid. Metacid metacid 50 metafos metaphos methyl e 605 methyl fosferno methyl niran methyl parathion metilparation metron metyloparation metylparation.
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. The commercial product is a tan liquid xylene solution with a pungent odor. 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 is a brownish liquid that turns milky. 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. Cdc niosh pocket guide to chemical hazards methyl parathion. The results showed that m6 had strong methyl parathiondegrading ability.
204 472 1361 965 1540 1538 479 1502 888 523 957 477 1296 581 192 1218 1168 1371 714 1156 803 139 1470 1389 1277 54 1496 889 1 802 1237 420 1298 500 1244 242 340 682 282 1164 1093 1309 775 479 1378 646