Phenothrin

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Chemical Identification | General Product Information | Physical & Safety Data

Chemical Identification

Common Name

Phenothrin

中文通用名

苯醚菊酯

IUPAC

3-phenoxybenzyl (1RS,3RS;1RS,3SR)-2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropanecarboxylate
or
3-phenoxybenzyl (1RS)-cis-trans-2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropanecarboxylate
or
3-phenoxybenzyl (±)-cis-trans-chrysanthemate

CAS

(3-phenoxyphenyl)methyl 2,2-dimethyl-3-(2-methyl-1-propenyl)cyclopropanecarboxylate

CAS No.

26002-80-2

Molecular Formula

C₂₃H₂₆O₃

Molecular Structure

General Product Information

Category

Insecticides > Pyrethroid insecticides

Activity

Insecticide

Pest Spectrum

targets ants, aphids, bed bugs, bees, beetles, billbugs, box elders, borers, cockroaches, cadelles, caterpillars, centipedes, crickets, daubers, earwigs, fleas, flies, gnats, hornets, crawling insects, flying insects, grain insects, lace bugs, leafhoppers, leaf miners, lice, moths, mites, mealy bugs, midges, millipedes, mosquitoes, rust, scab, scales, scorpions, silverfish, spiders, sow bugs, thrips, ticks, wasps, waterbugs, weevils, worms, and yellow jackets

Premix

PRALLETHRIN+CYPHENOTHRIN
CYPHENOTHRIN+TETRAMETHRIN

Physical & Safety Data

Physical Properties

Molecular weight:350.5; Physical form:Pale yellow to yellow-brown clear liquid, with a faint characteristic odour. Density:1.06 (20 °C); Composition:The common name phenothrin refers to a mixture of (1RS)-cis-trans- isomers. d-Phenothrin contains 95% (1R)- isomers, 75% trans- isomer. Flash point:107 °C (Pensky-Martens closed test); Vapour pressure:1.9 ×10-2 mPa (21.4 °C); Henry constant:>6.75 ×10-1 Pa m3 mol-1 ( calc.); Partition coefficient(n-octanol and water):logP = 6.01 (20 °C); Solubility:In water <9.7µg/l (25 °C). In methanol >5.0, hexane >4.96 g/ml (25 °C).; Stability:Stable under normal storage conditions. Hydrolysed by alkalis.

Toxicology

Oral:Acute oral LD₅₀ for rats >5000 mg/ kg. Percutaneous:Acute percutaneous LD₅₀ for rats >2000 mg/ kg. Inhalation: LC₅₀ (4 h) for rats >2100 mg/m³. ADI:0.03 mg/ kg.

Environmental Profile

Ecotoxicology:
Bees:Toxic to bees.Birds:Acute oral LD₅₀ for bobwhite quail >2500 mg/ kg.Daphnia: EC₅₀ (48 h) 0.0043 mg/l.Fish: LC₅₀ (96 h) for rainbow trout 2.7, bluegill sunfish 16µg/l.

Environmental fate:
Soil:Undergoes degradation by photo-oxidation. For details, see L. O. Ruzo et al., J. Agric. Food Chem., 1982, 30, 110.

Transport Information

Hazard Class:III(Slightly hazardous)

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Phenothrin

Chemical Identification | General Product Information | Physical & Safety Data

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