Convax Plus – Hexaconazole 5% SC

Nomanclature:
Common name hexaconazole (BSI, ANSI, draft E-ISO, (m) draft F-ISO)
IUPAC name (RS)-2-(2,4-dichlorophenyl)-1-(1H-1,2,4-triazol-1-yl)hexan-2-ol
Chemical Abstracts name (±)-a-butyl-a-(2,4-dichlorophenyl)-1H-1,2,4-triazole-1-ethanol
CAS RN [79983-71-4] Development codes PP523; ICIA0523 (both ICI)

Physival Chamistry:
Composition Tech. is >85% pure. Mol. wt. 314.2 M.f. C14H17Cl2N3O Form White, crystalline solid. M.p. 110-112 ºC V.p. 0.018 mPa (20 ºC) KOW logP = 3.9 (20 ºC) Henry 3.33 ´ 10-4 Pa m3 mol-1 (calc.) S.g./density 1.29 g/cm3 (25 ºC) Solubility In water 0.017 g/l (20 ºC). In dichloromethane 336, methanol 246, acetone 164, ethyl acetate 120, toluene 59, hexane 0.8 (all in g/l, 20 ºC). Stability Stable for at least 6 years at ambient temperatures. Stable to hydrolysis and photolysis in water. Formulations stable in sales containers for 6 months at 50 ºC, and 2 years at ambient temperature.

Applications: 
Biochemistry Inhibits ergosterol biosynthesis (steroid demethylation inhibitor). Mode of action Systemic fungicide with protective and curative action. Uses 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