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Common name triflumuron (BSI, draft E-ISO, (m) draft F-ISO)
IUPAC name 1-(2-chlorobenzoyl)-3-(4-trifluoromethoxyphenyl)urea
Chemical Abstracts name 2-chloro-N-[[[4-(trifluoromethoxy)phenyl]amino]carbonyl]benzamide
CAS RN [64628-44-0]
PHYSICAL CHEMISTRY
Mol. wt. 358.7 M.f. C15H10ClF3N2O3 Form Colourless, odourless powder. M.p. 195 ºC V.p. 4 ´ 10-5 mPa (20 ºC) KOW logP = 4.91 (20 °C) S.g./density 1.445 (20 ºC) Solubility In water 0.025 mg/l (20 ºC). In dichloromethane 20-50, isopropanol 1-2, toluene 2-5, hexane <0.1 g/l (20 ºC). Stability Stable to hydrolysis in neutral media and in acids; hydrolysed by alkali: DT50 (22 ºC) 960 d (pH 4), 580 d (pH 7), 11 d (pH 9).
APPLICATIONS
Biochemistry Chitin synthesis inhibitor.
Mode of action Ingested insecticide, acting by inhibition of moulting.
Uses Control of Lepidoptera, Psyllidae, Diptera, and Coleoptera on fruit, soya beans, vegetables, forest trees, and cotton. Also used against larvae of flies, fleas and cockroaches in public and animal health.