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.