Metalaxyl-M 90% tech, Metalaxyl-M 48%EC

Metalaxyl-M 90% tech, Metalaxyl-M 48%EC FungicideFRAC 4; phenylamide: acylalanineNOMENCLATURE Common namemetalaxyl-M (BSI, E-ISO, (m) F-ISO) IUPAC namemethyl N-(methoxyacetyl)-N-(2,6-xylyl)-D-alaninate; methyl (R)-2-{[(2,6-dimethylphenyl)methoxyacetyl]amino}propionate Chemical Abstracts namemethyl N-(2,6-dimethylphenyl)-N-(methoxyacetyl)-D-alaninate Other namesR-metalaxyl; CGA 76539; mefenoxamCAS RN[70630-17-0]Development codesCGA 329351 (Ciba-Geigy) Metalaxyl-M PHYSICAL CHEMISTRY Composition(R)- enantiomer of metalaxyl.Mol. wt.279.3M.f.C15H21NO4FormPale yellow to light brown, viscous liquid.M.p.-38.7 °C (glass transition temperature)B.p.Decomp. c. 270 °CV.p.3.3 mPa (25 °C)KOWlogP = 1.71 (25 °C)Henry3.5 ´ 10-5Pa m3mol-1(calc.)S.g./density1.125 (20 °C)SolubilityIn water 26 g/l (25 °C). In n-hexane 59 g/l; miscible with acetone, ethyl acetate, methanol, dichloromethane, toluene, n-octanol.StabilityHydrolytically stable under acidic and neutral conditions (DT50>200 d). Under alkaline conditions, DT50116 d (pH 9, 25 °C).Specific rotationNegativeF.p.179 °C (EEC A10) Metalaxyl-M COMMERCIALISATION HistoryReported by C. Nuninger et al. (Proc. Br. Crop Prot. Conf. - Pests Dis., 1996, 1, 41). Developed by Ciba-Geigy AG (now Syngenta AG) and introduced in the US in 1996.PatentsPCT Patent appl. WO96/01559; ZA-P.95/5708ManufacturersSyngenta Metalaxyl-M APPLICATIONS Metalaxyl-M OTHER TRADENAMES