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Penconazole 95%TC 10%EC 20%EW Penconazole CAS No.: 66246-88-6 fungicide Penconazole fungicide
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FAO Standards
CAS RN: 66246-88-6
Formulation types: EC; EW; WP.
Molecular formula: C13H15Cl2N3
Molecular weight: 284.2
Properties:Fine white powder.
Toxicity:
Reviews | FAO/WHO 65, 67 (see part 2 of the Bibliography) |
Oral | Acute oral LD50 for rats 2125, mice 2444 mg/kg |
Skin and eye | Acute percutaneous LD50 for rats >3000 mg/kg. Not a skin irritant; irritating to eyes (rabbits). Not a skin sensitiser (guinea pigs) |
Inhalation | LC50 (4 h) for rats >4000 mg/m3 |
NOEL | (2 y) for rats 3.8, mice 0.71 mg/kg b.w. daily; (1 y) for dogs 3.3 mg/kg b.w. daily |
ADI | (JMPR) 0.03 mg/kg b.w. [1992]. |
Other | Not mutagenic, not teratogenic, not oncogenic. |
Toxicity class | WHO (a.i.) U |
Application:
Biochemistry | Sterol demethylation inhibitor; inhibits cell membrane ergosterol biosynthesis, stopping development of the fungi. |
Mode of action | Systemic fungicide with protective and curative action. Absorbed by the leaves, with translocation acropetally. |
Uses | Control of powdery mildew, pome fruit scab and other pathogenic Ascomycetes, Basidiomycetes and Deuteromycetes on vines, pome fruit, stone fruit, ornamentals, hops and vegetables, at 25-75 g/ha. |
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