Fungicide Hexaconazole CAS 79983-71-4

  Active ingredient

  Hexaconazole 25% SC

  Chemical name

  (?-±-butyl-±-(2,4-dichlorophenyl)-1H-1,2,4-triazole-1-ethanol  

  Classification

  Fungicide / Agrochemical

  Biochemistry

  Inhibits ergosterol biosynthesis (steroid demethylation inhibitor).

   Mode of action

  Systemic fungicide with protective and curative action.

  Usage

  Control of many fungi, particularly Ascomycetes and Basidiomycetes, e.g. Podosphaera leucotricha and Venturia inaequalis on apples, Guignardia bidwellii and Uncinula necator on vines, Hemileia vastatrix on coffee, and Cercospora spp. on peanuts, at 15-250 g/ha. Also used on bananas, cucurbits, peppers and other crops.

  Mammalian Toxicology

Oral: Acute oral LD50 for male rats 2189, female rats 6071 mg/kg. 

  Skin and eye: Acute percutaneous LD50 for rats >2000 mg/kg. Mild irritant to eyes; non-irritating to skin (rabbits). Moderate skin sensitiser (guinea pigs). 

Inhalation: LC50 (4 h) for rats >5.9 mg/l.