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Common NameCycloprothrin
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中文通用名乙氰菊酯
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IUPAC(RS)-α-cyano-3-phenoxybenzyl (RS)-2,2-dichloro-1-(4-ethoxyphenyl)cyclopropanecarboxylate
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CAScyano(3-phenoxyphenyl)methyl 2,2-dichloro-1-(4-ethoxyphenyl)cyclopropanecarboxylate
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CAS No.63935-38-6
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Molecular FormulaC26H21Cl2NO4
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Molecular Structure
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Category
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ActivityInsecticide
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FormulationDP = Dustable powder
GR = Granule
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Physical PropertiesMolecular weight:482.4; Physical form:Yellow to brown viscous liquid ( tech.). Density:1.256 (25 °C); Vapour pressure:2.13×10-3 mPa (20 °C); Partition coefficient(n-octanol and water):logP = 4.19; Solubility:In water 0.091 mg/l (25 °C). Readily soluble in most organic solvents, but only moderately soluble in aliphatic hydrocarbons. Stability:Stable 190 °C and to light.
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ToxicologyOral:Acute oral
LD50 for rats and mice >5000 mg/ kg. Percutaneous:Acute percutaneous LD50 for rats >2000 mg/ kg; no skin or eye irritation by tech., moderate irritation by GR and DP. Inhalation: LC50 (4 h) for rats >1.5 mg/l air. -
Environmental ProfileEcotoxicology:
Bees:Toxic to honeybees.LD50 0.321 μg/bee (Oral), 0.432 μg/bee. Birds:Acute oral LD50 for Japanese quail >5000, hens >2000 mg/kg. Daphnia:LC50 (3 h) >10 mg/l.Fish:LC50 (48 h) for carp >50, goldfish >10, rainbow trout 1.6 mg/l.
Environmental fate:
Animals:In continual oral administration to rats, cycloprothrin is rapidly and completely excreted in urine and faeces (K. Seguchiet al., J. Pestic. Sci. , 16, 591-598 (1991)).Soil:When cycloprothrin was applied to simulated paddy water, the concentration absorbed in rice plants increased with time to a maximum within 7 days. The concentration was very low, and unchanged cycloprothrin was not found in the grain.Plant:For metabolism in rice plants, see K. Seguchiet al., J. Pestic. Sci. , 16, 599-607 (1991). -
Transport InformationSignal Word:CAUTION; Hazard Class:III (Slightly hazardous)
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