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Common NameFenvalerate
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中文通用名氰戊菊酯
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IUPAC(RS)-α-cyano-3-phenoxybenzyl (RS)-2-(4-chlorophenyl)-3-methylbutyrate
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CAScyano(3-phenoxyphenyl)methyl 4-chloro-α-(1-methylethyl)benzeneacetate
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CAS No.51630-58-1
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Molecular FormulaC25H22ClNO3
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Molecular Structure
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Category
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ActivityIt is most commonly used to control insects in food, feed, and cotton products, and for the control of flies and ticks in barns and stables. Fenvalerate does not affect plants, but is active for an extended period of time.
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FormulationSC = Suspension concentrate (=flowable concentrate)
WP = Wettable powder -
PremixTrichlorfon+fenvalerate
Quinalphos+fenvalerate
Pyridaphenthion+methomyl+fenvalerate
Pyridaphenthion+fenvalerate
Propargite+fenvalerate
Profenofos+fenvalerate
Ne+matrine+fenvalerate
Methomyl+fenvalerate+phoxim
Methomyl+fenvalerate
Malathion+methomyl+fenvalerate
Malathion+fenvalerate+phoxim
Malathion+fenvalerate
Malathion+esfenvalerate
Imidacloprid+fenvalerate
Imidacloprid+esfenvalerate
Fenvalerate+triazophos
Fenvalerate+triadimefon
Fenvalerate+rotenone
Fenvalerate+phoxim
Fenvalerate+omethoate
Fenvalerate+monocrotophos
Fenvalerate+isoprocarb
Fenvalerate+isocarbophos
Fenvalerate+fenitrothion
Fenvalerate+dimethoate
Fenvalerate+dichlorvos
Esfenvalerate+phoxim
Esfenvalerate+fenitrothion
Esfenvalerate+abamectin
Endosulfan+fenvalerate
Endosulfan+esfenvalerate
Dichlorvos+fenvalerate+phoxim
Dichlorvos+fenvalerate+omethoate
Carbaryl+fenvalerate
Abamectin+fenvalerate
Emulsifiable concentrate, dust, flowable, granule, wettable powder.
Premix Parters: chlorsulfuron;
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Physical PropertiesMolecular weight:419.9; Physical form:Tech. fenvalerate is a viscous yellow or brown liquid, sometimes partly crystalline at room temperature. Density:1.175 (25 °C); Composition:Tech. grade fenvalerate is 92.1% pure. Melting point:39.5-53.7 °C (pure); Flash point:230 °C; Vapour pressure:1.92 × 10-2 mPa (20 °C); Partition coefficient(n-octanol and water):logP = 5.01 (23 °C); Solubility:In water <10 mg/l (25 °C). In n-hexane 53, xylene 200, methanol 84 (all in g/l, 20 °C).; Stability:Stable to heat and moisture. Relatively stable in acidic media, but rapidly hydrolysed in alkaline media.;
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ToxicologyOral:Acute oral LD50 for rats 451 mg/ kg. Percutaneous:Acute percutaneous LD50 for rabbits 1000-3200, rats >5000 mg/kg. Slightly irritating to skin and eyes (rabbits). Inhalation: LC50 for rats >101 mg/m3.
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Environmental ProfileEcotoxicology:
Bees:Toxic to bees. Contact LD50 0.23 mg/bee.Birds:Acute oral LD50 for domestic fowl >1600, mallard ducks 9932 mg/kg. Dietary LC50 for quail >10 000, mallard ducks 5500 mg/ kg.Fish: LC50 (96 h) for rainbow trout 0.0036 mg/l.
Environmental fate:
SOIL PARTICLE ADSORPTION: Field studies indicate residues remain in 0"-4" layer with half-life of 1-2 months. After 183 days, residues were at negligible or undetectable levels. Confined and field rotational crop data show residues likely to occur in root crops at intervals of < 9 months HAZARDS: Fish: LC50 0.42 ppb (96 h) (bluegill). Bird: Oral LD50 9932 mg/kg (mallard). Dietary: LC50 >10,000 ppm (quail); 5500 ppm (mallard) -
Transport InformationSignal Word:WARNING; Hazard Class:II(Moderately hazardous)
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