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Fungicides

Difenoconazole

Chemical Name: 1-((2-(2-chloro-4-(4-chlorophenoxy)phenyl)-4-methyl-1,3-dioxolan-2-yl)methyl)-1H-1,2,4-triazole

Formula: C19H17Cl2N3O3

Molecular Weight: 406.2

CAS No.: 119446-68-3

Structure:

Description:

Appearance: white powder.

Melting Point: 76°C

Boiling point: 220°C

VP: 3.3×10-5 mPa(25°C)

Solubility.:In water 15 mg/l (25°C). In ethanol 330, acetone 610, toluene 490, n-hexane 3.4, n-octanol 95 (all in g/l, 25°C).

Stability: Stable up to 150°C. Hydrolytically stable

Toxicological information:

Oral: Acute oral LD50 for rats 1453, mice >2000 mg/kg.

Skin and eye: Acute percutaneous LD50 for rabbits >2010 mg/kg. Non-irritant to eyes and skin (rabbits). Non-sensitising to skin (guinea pigs).

Hazard Symbols: Xn

Risk Codes: R22;R41;R43

Safety Description: S26;S36/37/39

Specification: 95%TC, 25%EC, 25%WDG

Uses: Systemic fungicide with a novel broad-range activity protecting the yield and crop quality by foliar application or seed treatment. Provides long-lasting preventive and curative activity against Ascomycetes, Basidiomycetes and Deuteromycete,s including Alternaria, Ascochyta, Cercospora, Cercosporidium, Colletotrichum, Guignardia, Mycosphaerella, Phoma, Ramularia, Rhizoctonia, Septoria, Uncinula, Venturia spp., Erysiphaceae, Uredinales and several seed-borne pathogens. Used against disease complexes in grapes, pome fruit, stone fruit, potatoes, sugar beet, oilseed rape, banana, cereals, rice, soya beans, ornamentals and various vegetable crops, at 30 -125g /ha. Used as a seed treatment against a range of pathogens in wheat and barley, at 3 -24 g/100 kg seed.

 

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