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Product:
  Carboxin
C.A.S:
  110488-70-5
Assay:
  DC; WG; WP.TC
Package:
  Upon request
Usage:
  Biochemistry: Inhibits the formation of the oomycete fungal cell wall Mode of action: Local systemic fungicide with good protectant and antisporulant activity. Only the (Z)- isomer is intrinsically active, but, because of rapid interconversion of isomers in the light, it has no advantage over the (E)- isomer in practice Uses: Fungicide effective against Oomycetes, especially Peronosporaceae and Phytophthora spp. (but not Pythium spp.) in vines, potatoes, tomatoes and other crops. Used in combination with contact fungicides, and applied at 2.0-2.5 kg dimethomorph/ha.
Description:
  M.F.: C21H22CINO4 Mol Wt: 387.9 Form (appearance): Composition:: (E)- to (Z)- ratio is c. 1:1. Colourless crystals M.P.: 127-148℃; (E)- isomer 135.7-137.5℃; (Z)- isomer 169.2-170.2℃ V.P.: (E)- isomer 9.7 × 10-4 mPa; (Z)- isomer 1.0 × 10-3 mPa (both 25℃) S.G.: Bulk density 1318 kg/m3 (20℃) Solubility.: In water 19 (pH 5), 18 (pH 7), 16 (pH 9) (all in mg/l, 20℃). In acetone 88 (E), 15 (Z), cyclohexanone 27 (Z), dichloromethane 315 (Z), dimethylformamide 272 (E), 40 (Z), hexane 0.04 (E), 0.02 (Z), methanol 7 (Z), toluene 7 (Z) (all in g/l, 20-23 ℃). In n-hexane 0.11, methanol 39, ethyl acetate 48.3, toluene 49.5, acetone 100, dichloromethane 461 ( all for (EZ), in mg/l). Stability: Hydrolytically and thermally stable under normal conditions. Stable for >5 years in the dark. The (E)- and (Z)- isomers are interconverted in sunlight KowlogP: 2.63 (E)- isomer; 2.73 (Z)- isomer (both 20℃)

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