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Common NameEmpenthrin
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中文通用名右旋烯炔菊酯
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IUPAC(E)-(RS)-1-ethynyl-2-methylpent-2-enyl (1RS,3RS;1RS,3SR)-2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropanecarboxylate
or
(E)-(RS)-1-ethynyl-2-methylpent-2-enyl (1RS)-cis-trans-2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropanecarboxylate
or
(±)-(trans)-1-ethynyl-2-methylpent-2-enyl (±)-cis-trans-chrysanthemate -
CAS(2E)-1-ethynyl-2-methyl-2-pentenyl 2,2-dimethyl-3-(2-methyl-1-propenyl)cyclopropanecarboxylate
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CAS No.54406-48-3
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Molecular FormulaC18H26O2
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Molecular Structure
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Category
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ActivityInsecticide
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FormulationAE = Aerosol dispenser
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Physical PropertiesMolecular weight:274.4; Physical form:Yellow liquid. Density:0.927 (20 °C); Composition:The name empenthrin is defined for the (E)-(RS) (1RS)-cis-trans- mixed isomers. However, the material in use is the (EZ)-(RS) (1R)- rich cis-trans- isomer mixture. Flash point:107 °C; Vapour pressure:14 mPa (23.6 °C); Solubility:In water 0.111 mg/l (25 °C). Totally miscible in hexane, acetone and methanol (20 °C).; Stability:Stable under normal conditions for at least 2 years.;
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ToxicologyOral:Acute oral LD50 for male rats >5000, female rats >3500 mg/kg. Percutaneous:Acute percutaneous LD50 for rats >2000 mg/kg. Not irritating to skin; minimal irritation to eyes (rabbits). Inhalation: LC50 (4 h) for rats >4610 mg/m3.
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Environmental ProfileEcotoxicology:
Birds:Acute oral LD50 for bobwhite quail and mallard ducks >2250 mg/kg. Dietary LC50 for bobwhite quail and mallard ducks >5620 ppm.Daphnia: EC50 (48 h) 0.02 mg/l.Fish: LC50 (96 h) for rainbow trout 0.0017 mg/l. -
Transport InformationHazard Class:III(Slightly hazardous)
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