| 词条 | Metalaxyl |
| 释义 |
| Verifiedfields = changed | Watchedfields = changed | verifiedrevid = 408954960 | ImageFile =Metalaxyl.svg | ImageSize =150px | IUPACName = methyl 2-[(2,6-dimethylphenyl)(methoxyacetyl)amino]propanoate | OtherNames = |Section1={{Chembox Identifiers | CASNo_Ref = {{cascite|correct|CAS}} | CASNo =57837-19-1 | PubChem =42586 | ChEMBL_Ref = {{ebicite|changed|EBI}} | ChEMBL = 105809 | SMILES =CC1=C(C(=CC=C1)C)N(C(C)C(=O)OC)C(=O)COC | EINECS = 260-979-7 | ChemSpiderID_Ref = {{chemspidercite|changed|chemspider}} | ChemSpiderID = 38839 | InChI = 1/C15H21NO4/c1-10-7-6-8-11(2)14(10)16(13(17)9-19-4)12(3)15(18)20-5/h6-8,12H,9H2,1-5H3 | InChIKey = ZQEIXNIJLIKNTD-UHFFFAOYAF | StdInChI_Ref = {{stdinchicite|changed|chemspider}} | StdInChI = 1S/C15H21NO4/c1-10-7-6-8-11(2)14(10)16(13(17)9-19-4)12(3)15(18)20-5/h6-8,12H,9H2,1-5H3 | StdInChIKey_Ref = {{stdinchicite|changed|chemspider}} | StdInChIKey = ZQEIXNIJLIKNTD-UHFFFAOYSA-N | RTECS = | MeSHName = | ChEBI_Ref = {{ebicite|changed|EBI}} | ChEBI = 6790 | KEGG_Ref = {{keggcite|changed|kegg}} | KEGG = C10947 |Section2={{Chembox Properties | Formula =C15H21NO4 | MolarMass =279.33 g/mol | Appearance =Fine white powder | Density =1.20g/cm3 at 20 °C | MeltingPtC = 71 to 72 | MeltingPt_ref = [1] | BoilingPtC = 295.9 | BoilingPt_notes = at 760 mm Hg | Solubility = 8,400 mg/L at 22 °C | LogP =1.65 (octanol/water)[2] |Section3={{Chembox Hazards | MainHazards = | FlashPt = | AutoignitionPt = }}Metalaxyl is an acylalanine fungicide with systemic function.[3] Its chemical name is methyl N-(methoxyacetyl)-N-(2,6-xylyl)-DL-alaninate. It can be used to control Pythium in a number of vegetable crops, and Phytophthora in peas. Metalaxyl-M or Ridomil Gold are trade names for the optically pure (-) / D / R active stereoisomer, which is also known as Mefenoxam.[4] It is the active ingredient in the seed treatment agent Apron XL LS.[5] The fungicide has suffered severe resistance problems. The fungicide was marketed for use against Phytophthora infestans. However, in the summer of 1980, in the Republic of Ireland, the crop was devastated by a potato blight epidemic after a resistant race of the oomycete appeared.[6] Irish farmers later successfully sued the company for their losses.{{Citation needed|date=February 2007}} Maximum pesticide residue limits for the EU/UK are set at 0.5 mg/kg for oranges and 1.0 mg/kg for apples References1. ^O'Neil, M.J. (ed.). The Merck Index - An Encyclopedia of Chemicals, Drugs, and Biologicals. 13th Edition, Whitehouse Station, NJ: Merck and Co., Inc., 2001., p. 1058 2. ^Hansch, C., Leo, A., D. Hoekman. Exploring QSAR - Hydrophobic, Electronic, and Steric Constants. Washington, DC: American Chemical Society., 1995., p. 134 3. ^{{cite journal|last1=Sukul|first1=P|last2=Spiteller|first2=M|title=Metalaxyl: persistence, degradation, metabolism, and analytical methods.|journal=Reviews of environmental contamination and toxicology|date=2000|volume=164|pmid=12587832}} 4. ^{{cite journal|last1=Monkiedje|first1=Adolphe|last2=Spiteller|first2=Michael|title=Effects of the phenylamide fungicides, mefenoxam and metalaxyl, on the microbiological properties of a sandy loam and a sandy clay soil|journal=Biology and Fertility of Soils|date=2002|volume=35|issue=6|doi=10.1007/s00374-002-0485-1}} 5. ^{{cite web|dead-url=yes|url=https://www.gov.mb.ca/agriculture/crops/vegetablecrops/pdf/bmz10s02.pdf|title=bmz10s02.pdf|publisher=Government of Manitoba|archiveurl=https://web.archive.org/web/20070930171045/http://www.gov.mb.ca/agriculture/crops/vegetablecrops/pdf/bmz10s02.pdf|archivedate=2007-09-30|df=}} 6. ^Working on potato blight in Northern Ireland External links
2 : Fungicides|Alkyl-substituted benzenes |
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