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Fenvalerate Insecticide

Posted at: Offers to Sell and Export | Posted on: Fri 18 Jun, 2010 7:37 am | Product Category: Insecticides [73]
fenvalerate insecticide
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Common name: fenvalerate

IUPAC name: (RS)-a-cyano-3-phenoxybenzyl (RS)-2-(4-chlorophenyl)-3-methylbutyrate


Abstracts name: cyano(3-phenoxyphenyl)methyl 4-chloro-a-(1-methylethyl)benzeneacetate

CAS RN: [51630-58-1] unstated stereochemistry

Physical chemistry

Composition: Tech. grade fenvalerate is 92% pure. Mol. wt.: 419.9; M.f.: C25H22ClNO3; Form: Tech. fenvalerate is a viscous yellow or brown liquid, sometimes partly crystalline at room temperature. M.p.: 39.5-53.7 C (pure). B.p.: Decomposes on distillation. V.p.: 1.92x10-2 mPa (20 C). KOW: logP = 5.01 (23 C). S.g./density: 1.175 (25 C). Solubility: In water <10 ug/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. F.p.: 230 C.


Mode of action: Non-systemic insecticide and acaricide with contact and stomach action.

Uses: Control of a wide range of pests, including those resistant to organochlorine, organophosphorus, and carbamate insecticides. Uses include control of chewing, sucking, and boring insects (particularly Lepidoptera, Diptera, Orthoptera, Hemiptera, and Coleoptera) in fruit, vines, olives, hops, nuts, vegetables, cucurbits, cotton, oilseed rape, sunflowers, alfalfa, cereals, maize, sorghum, potatoes, beet, peanuts, soya beans, tobacco, sugar cane, ornamentals, forestry, and on non-crop land. Used for control of flying and crawling insects in public health situations and in animal houses. Also used as an animal ectoparasiticide.

Formulation types: EC; UL; SC; WP.

Compatibility: Incompatible with alkaline materials.

Mammalian toxicology

Oral: Acute oral LD50 for rats 451 mg/kg.

Skin and eye: 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.

NOEL: (2 y) for rats 250 mg/kg diet.

ADI: 0.02 mg/kg b.w.

Toxicity class: WHO (a.i.) II; EPA (formulation) II


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.

Bees: Toxic to bees. Contact LD50 0.23 ug/bee.

Environmental fate

Animals: In mammals, following oral administration, fenvalerate is rapidly metabolised. Up to 96% is excreted in the faeces within 6-14 days. For a study of the metabolism of fenvalerate in the laying hen.

Plants: In plants, fenvalerate is split into two parts by cleavage of the ether group, followed by further hydroxylation in the 2- and 4- positions of the phenoxy ring, and hydrolysis of the nitrile group to amide and carboxyl groups. The majority of the acids and phenols thus formed are converted into glucosides.

Soil/Environment: In aqueous media, the ester bond is hydrolysed. In light, decarboxylation occurs, with recombination of the cleaved moieties. DT50 in soil c. 75-80 d.

Company Contact:

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Contact Name: Kevin Xu
Company Name: Shanghai Skyblue Chemical Co., Ltd.
Email: Email
Tel: 86-21-58356613
Fax: 86-21-58358362
Street Address: Rm 15A02, Changhang
Mansion, No.800, Zhangyang Road,
Pudong, Shanghai, 200122, China
Website: http://www.skybluechem.com
Member name: skybluechem
Country: China-CN China
Member Since: 17 June 2010
Total Leads: 76 skybluechem Import Export Business Leads
Business focus: Piperonyl Butoxide, D-allethrin, Diethyltoluamide, Cartap, Tetramethrin, Atrazine, Quizalofop-p-ethyl, Tribenuron-methyl, Acetochlor, Ametryn, Simazine
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Product Category: Insecticides [73]

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