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D-allethrin

Posted at: Offers to Sell and Export | Posted on: Fri 18 Jun, 2010 6:11 am |
 
d allethrin
Products Photos CatalogAllethrin Photos Catalog



Common name: allethrin; alléthrine; d-allethrin

IUPAC name: (RS)-3-allyl-2-methyl-4-oxocyclopent-2-enyl


(1R, 3R;1R, 3S)-2, 2-dimethyl-3-(2-methylprop-1-enyl)cyclopropanecarboxylate

Alt: (RS)-3-allyl-2-methyl-4-oxocyclopent-2-enyl (+)-cis-trans-chrysanthemate

Roth: (RS)-3-allyl-2-methyl-4-oxocyclopent-2-enyl (1R)-cis-trans-2, 2-dimethyl-3-(2-methylprop-1-enyl)cyclopropanecarboxylate

Chemical Abstracts name: 2-methyl-4-oxo-3-(2-propenyl)-2-cyclopenten-1-yl 2, 2-dimethyl-3-(2-methyl-1-propenyl)cyclopropanecarboxylate

CAS RN: [584-79-2] (unstated stereochemistry and also used for bioallethrin)

EEC no.: 209-542-4 [for (1RS)- isomers]

Physical chemistry

Composition: d-Allethrin is 93% (1R)- isomers and 75% trans isomers; see also bioallethrin. Mol. wt.: 302.4; M.f.: C19H26O3; Form: Tech. is a pale yellow liquid. B.p.: 281.5 °C/760 mmHg. V.p.: 0.16 mPa (21 °C). KOW: logP = 4.96 (room temperature). S.g./density: 1.01 (20 °C). Solubility: Practically insoluble in water. In hexane 0.655 g/ml, methanol 72.0 ml/ml (both 20 °C). Stability: Decomposed by u.v. light. Hydrolysed in alkaline media. F.p.: 87 °C

Applications

Mode of action: Non-systemic insecticide with contact, stomach, and respiratory action. Gives rapid knockdown. Paralyses insects before killing them.

Uses: Control of flies, mosquitoes, ants, and other household and public health insect pests. Often used in combination with piperonyl butoxide or other synergists, for control of chewing and sucking insects on ornamentals, vegetables, and other crops; for household and public health insect control; for insect control in animal houses; and as an animal ectoparasiticide.

Formulation types: AE; EC; DP; WP; Coil.

Compatibility: Incompatible with alkaline materials.

Selected tradenames: Pynamin Forte

Mammalian toxicology

Oral: Acute oral LD50 for male rats 2150, female rats 900 mg/kg.

Skin and eye: Acute percutaneous LD50 for male rabbits 2660, female rabbits 4390 mg/kg.

Inhalation: LC50 for rats >3875 mg/m3 air.

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

EC hazard: Xn; R22

Ecotoxicology

Birds: LC50 (8 d) for mallard ducks and bobwhite quail 5620 mg 'Pynamin Forte' /kg diet.

Fish: LC50 (96 h) for carp 0.134 mg/l.

Environmental fate

Animals: In mammals, following oral administration, one of the two terminal methyl groups of the chrysanthemic acid moiety is oxidised in the liver to an alcohol group, and further to a carboxyl group.



Company Contact:

No member photo
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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