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Common NameFlumetralin
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中文通用名氟节胺
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IUPACN-(2-chloro-6-fluorobenzyl)-N-ethyl-α,α,α-trifluoro-2,6-dinitro-p-toluidine
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CAS2-chloro-N-[2,6-dinitro-4-(trifluoromethyl)phenyl]-N-ethyl-6-fluorobenzenemethanamine
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CAS No.62924-70-3
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Molecular FormulaC16H12ClF4N3O4
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Molecular Structure
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Category
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ActivityPlant Growth Regulator
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PremixPendimethalin+Flumetralin
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Physical PropertiesMolecular weight:421.7; Physical form:Yellow to orange, odourless crystals. Density:1.54; Melting point:101.0-103.0 °C; ( tech., 92.4-103.8 °C); Vapour pressure:3.2 ×10-2 mPa (25 °C) ( OECD 104); Henry constant:0.19 Pa m3 mol-1 ( calc.); Partition coefficient(n-octanol and water):logP = 5.45 (25 °C); Solubility:In water 0.07 mg/l (25 °C). In acetone 560, toluene 400, ethanol 18, n-hexane 14, n-octanol 6.8 (all in g/l, 25 °C).; Stability:Decomposes exothermically above 250 °C. Hydrolytically stable between pH 5 and pH 9.
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ToxicologyOral:Acute oral LD50 for rats >5000 mg/ kg. Percutaneous:Acute percutaneous LD50 for rats >2000 mg/kg. EC formulation (150 g/l) is a moderate skin irritant and an extreme eye irritant. Inhalation: LC50 for rats >2130 mg/m3. Phytotoxicity:May cause some injury to immature plants. ADI:( JMPR) 0.004 mg/ kg b.w. [1996].
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Environmental ProfileEcotoxicology:
Algae: EC50 for Selenastrum >0.85 mg/l.Bees:Non-toxic.Birds: LD50 for bobwhite quail and mallard ducklings >2000 mg/kg. LC50 for mallard ducklings and bobwhite quail >5000 ppm.Daphnia: LC50 (48 h) >66 μg/l. Fish:Toxic to fish; LC50 for bluegill sunfish 18, trout 25 μg/l.Worms: LC50 for earthworms >1000 mg/ kg.Other aquatic spp.:EdC50 for Lemna gibba 0.15 mg/l.
Environmental fate:
Animals:Metabolic reactions include reduction of the nitro groups, acetylation of the amino groups and hydroxylation of the phenyl ring.Soil:Strongly adsorbed and therefore immobile in soil; degradation is by photolysis. Stable to hydrolysis at5, 7 and 9.Plant:Metabolism in tobacco is rapid and extensive; reduction or complete removal of substituents occurs. -
Transport InformationSignal Word:DANGER; Hazard Class:Ib(Highly hazardous)
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