hexaconazole

己唑醇

(RS)-2-(2,4-dichlorophenyl)-1-(1H-1,2,4-triazol-1-yl)hexan-2-ol

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

79983-71-4

C₁₄H₁₇Cl₂N₃O

Fungicide

chlorothalonil+hexaconazole
Oil miscible liquid, soluble grain, suspension concentrate.
Premix Parters: dicofol; propargite.

Molecular weight:314.2g/mol; Physical form:White, crystalline solid. Density:1.29 g/cm3 (25℃); Composition:Tech. is >85% pure. Melting point:110-112℃; Vapour pressure:0.018 mPa (20℃); Henry constant:3.33 × 10-4 Pa m3 mol-1 ( calc.); Partition coefficient(n-octanol and water):logP = 3.9 (20℃); Solubility:In water 0.017 g/l (20℃). In dichloromethane 336, methanol 246, acetone 164, ethyl acetate 120, toluene 59, hexane 0.8 (all in g/l, 20℃).; 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℃, and 2 years at ambient temperature.

Oral:Acute oral LD₅₀ for male rats 2189, female rats 6071 mg/ kg. Percutaneous: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. Phytotoxicity:Non-phytotoxic when used as directed. Some injury noted on McIntosh apples. ADI:( JMPR) Conditional ADI withdrawn [1978].

Ecotoxicology:
Bees:Acute oral and contact LD₅₀ for honeybees >0.1 mg/bee.Birds:Acute oral LD₅₀ for mallard ducks >4000 mg/ kg.Daphnia: LC₅₀ (48 h) 2.9 mg/l.Fish: LC₅₀ (96 h) for rainbow trout 3.4, mirror carp 5.94, sheepshead minnow 5.4 mg/l.Worms: LC₅₀ (14 d) 414 mg/ kg.

Environmental fate:
Animals:Readily excreted by mammals, with no significant retention in organs or tissues.Soil:Rapidly degraded in soils in laboratory tests.Plant:For details of the metabolism of hexaconazole in cereals, see M. W. Skidmore et al., Br. Crop Prot. Conf. - Pests Dis., 1990, 3, 1035-1040.

Signal Word:CAUTION; Hazard Class:III(Slightly hazardous)