Difenoconazole fungicides
MF: C19H17CI2N3O3
CAS No: 119446-68-3
MW: 406.3
MP: 78.6º C
VP: 3.3 *10-5 mPa (25º C)
SG: 1.40 (20º C)
Composition: Tech. Ratio of cis- to trans- isomers is in the range 0.7 to 1.5.
White to light beige crystals.
Formulation types: 95%TECH, 25%EC
Solubility.: In water 15 mg/l (25º C). In ethanol 330, acetone 610, toluene 490, n-hexane 3.4, n-octanol 95 (all in g/l, 25º C).
Stability: Stable up to 150º 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).
Purpose: 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 Deuteromycetes, 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 30-125 g/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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