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Tefluthrin Insecticide

Posted at: Offers to Sell and Export | Posted on: Fri 18 Jun, 2010 7:48 am | Product Category: Insecticides [73]
 
tefluthrin insecticide
Products Photos CatalogTefluthrin Insecticide Photos Catalog



Common name: tefluthrin; téfluthrine

IUPAC name: 2, 3, 5, 6-tetrafluoro-4-methylbenzyl (Z)-(1RS, 3RS)-3-(2-chloro-3,


3, 3-trifluoroprop-1-enyl)-2, 2-dimethylcyclopropanecarboxylate

Roth: 2, 3, 5, 6-tetrafluoro-4-methylbenzyl (Z)-(1RS)-cis-3-(2-chloro-3, 3, 3-trifluoroprop-1-enyl)-2, 2-dimethylcyclopropanecarboxylate

Chemical Abstracts name: [1a, 3a(Z)]-(2, 3, 5, 6-tetrafluoro-4-methylphenyl)methyl 3-(2-chloro-3, 3, 3-trifluoro-1-propenyl)-2, 2-dimethylcyclopropanecarboxylate

Cas rn: [79538-32-2]

Physical chemistry

Composition: Tech. material is c. 92% pure. Mol. wt.: 418.7; M.f.: C17H14ClF7O2; Form: Colourless solid; (tech., off-white). M.p.: 44.6 șC; (tech., 39-43 șC). B.p.: 156 șC/1 mmHg. V.p.: 8.4 mPa (20 șC); 50 mPa (40 șC). KOW: logP = 6.4 (20 șC); Henry: 2x102 Pa m3 mol-1 (calc.) S.g./density: 1.48 g/ml (25 șC). Solubility: In water 0.02 mg/l (purified and buffered, pH 5 and 9, 20 șC). In acetone, hexane, toluene, dichloromethane, ethyl acetate >500, methanol 263 (all in g/l, 21 șC). Stability: Stable for at least 9 months at 15-25 șC. Stable for >84 days at 50 șC. Stable to hydrolysis at pH 5-7 for >30 days. At pH 9, 7% hydrolysis in 30 days. At pH 7, 27-30% loss in aqueous solution exposed to sunlight for 31 days. pKa: >9 (hydrolysis prevents measurement). F.p.: 124 șC.

Applications

Uses: Control of a wide range of soil insect pests, particularly those of the orders Coleoptera, Lepidoptera, and Diptera, in maize, sugar beet, wheat and other crops.

Formulation types: CS; EC; GR.

Mammalian toxicology

Oral: Oral and percutaneous LD50 values of tefluthrin depend on such factors as carrier, the test species, its gender, age and degree of fasting; values reported sometimes differ markedly. Acute oral LD50 for male rats 22, female rats 35 (corn oil carrier), male mice 46, female mice 57 mg/kg.

Skin and eye: Acute percutaneous LD50 for male rats 316, female rats 177 mg/kg. Slight eye and skin irritation (rabbits). No skin sensitisation (guinea pigs).

Inhalation: LC50 (4 h) for male rats 0.05, female rats 0.04 mg/l.

NOEL: (2 y) for rats 25 mg/kg diet; (1 y) for dogs 0.5 mg/kg daily.

ADI: 0.005 mg/kg.

Toxicity class: WHO (a.i.) Ib

EC hazard: (T+ R26/28 | R24 | N; R50)

Ecotoxicology

Birds: Acute oral LD50 for mallard ducks 4190, bobwhite quail 730 mg/kg. Sub-acute dietary LC50 (5 d) for mallard ducks 2317, bobwhite quail 15 000 mg/kg.

Fish: LC50 (96 h) for rainbow trout 60, bluegill sunfish 130 ng/l. Under field conditions, adsorption of tefluthrin on bottom and suspended sediments should prevent any hazard.

Daphnia: EC50 (48 h) 70 ng/l.

Algae: >1.05 mg/l.

Bees: LD50 (contact) 280 ng/bee; (oral) 1880 ng/bee.

Worms: 0.32 mg/kg soil.

Environmental fate

Plants: No residues have been found on major crops treated at recommended rates (limit of detection 0.01 mg/kg).

Soil/Environment: DT50 in soil 150 d (5 șC), 24 d (20 șC), 17 d (30 șC), partly due to loss by volatilisation. At normal application rates, there was no effect on soil microflora or earthworms.



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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Product Category: Insecticides [73]
 
 
 

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