Etofenprox

Etofenprox

醚菊酯

2-(4-ethoxyphenyl)-2-methylpropyl 3-phenoxybenzyl ether

1-[[2-(4-ethoxyphenyl)-2-methylpropoxy]methyl]-3-phenoxybenzene

80844-07-1

C₂₅H₂₈O₃

Insecticides > Pyrethroid insecticides

Mode of action Insecticide with contact and stomach action. Uses Control of rice water weevils, skippers, leaf beetles, leafhoppers, planthoppers, and bugs on paddy rice; and aphids, moths, butterflies, whitefly, leaf miners, leaf rollers, leafhoppers, thrips, borers, etc. on pome fruit, stone fruit, citrus fruit, tea, soya beans, sugar beet, brassicas, cucumbers, aubergines, and other crops. Also used to control public health pests, and on livestock.

pome fruit, stone fruit, citrus fruit, tea, soya beans, sugar beet, brassicas, cucumbers, aubergines, and other crops.

Control of rice water weevils, skippers, leaf beetles, leafhoppers, planthoppers, and bugs on paddy rice; and aphids, moths, butterflies, whitefly, leaf miners, leaf rollers, leafhoppers, thrips, borers, etc

CS = Capsule suspension
DP = Dustable powder
GR = Granule
UL = Ultra-low volume liquid
WP = Wettable powder

Molecular weight:376.5; Physical form:White crystals. Density:1.157 (23 °C, solid); 1.067 (40.1 °C, liquid); Melting point:36.4-38.0 °C; Vapour pressure:32 mPa (100 °C); Partition coefficient(n-octanol and water):logP = 7.05 (25 °C); Solubility:In water <1 μg/l (25 °C). In chloroform 9, acetone 7.8, ethyl acetate 6, xylene 4.8, methanol 0.066 (all in kg/l, 25 °C).; Stability:Stable in acidic and alkaline media at 80 °C for >90 days, and to light.

Oral:Acute oral LD₅₀ for male and female rats >42 880, male mice >107 200, dogs >5000 mg/ kg. Percutaneous:Acute percutaneous LD₅₀ for rats and male and female mice >2140 mg/ kg; non-irritating to skin and eyes (rabbits). Inhalation: LC₅₀ (4 h) for rats 5900 mg/m³. ADI:0.044 mg/ kg b.w.

Ecotoxicology: 
Birds:Acute oral LD₅₀ for mallard ducks >2000 mg/ kg.Daphnia: LC₅₀ (3 h) >40 mg/l.Fish: TLm (48 h) for carp 5.0 ppm.Worms: LC₅₀ for earthworms (7 d) 43.1 ppm, (14 d) 24.6 ppm. 

Environmental fate: 
Animals:In rats, parent compound, 2-(4-hydroxyphenyl)-2-methylpropyl 3-(phenoxybenzyl) ether, and 2-(4-ethoxyphenyl)-2-methylpropyl 3-(4-hydroxybenzyl) ether are found.Soil: DT₅₀ in soil c. 6 d.Plant:In rice, the main metabolite is 2-(4-ethoxyphenyl)-2-methylpropyl 3-phenoxybenzoate.

Signal Word:CAUTION; Hazard Class:III(Slightly hazardous)