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Beta-cyfluthrin Insecticide

Posted at: Offers to Sell and Export | Posted on: Fri 18 Jun, 2010 7:21 am | Product Category: Insecticides [73]
beta cyfluthrin insecticide
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Common name: beta-cyfluthrin; beta-cyfluthrine; cyfluthrin-beta

IUPAC name: (RS)-cyano-4-fluoro-3-phenoxybenzyl

(1RS, 3RS;1RS, 3SR)-3-(2, 2-dichlorovinyl)-2, 2-dimethylcyclopropanecarboxylate

Chemical Abstracts name: cyano(4-fluoro-3-phenoxyphenyl)methyl 3-(2, 2-dichloroethenyl)-2, 2-dimethylcyclopropanecarboxylate

Cas rn: [68359-37-5]

Physical chemistry

Composition: Comprises a mixture of four diastereoisomeric pairs of enantiomers:

I (R)-a-cyano-4-fluoro-3-phenoxybenzyl (1R)-cis-3-(2, 2-dichlorovinyl)-2, 2-dimethylcyclopropanecarboxylate + (S)-a, (1S)-cis-;

II (S)- a, (1R)-cis- + (R)- a, (1S)-cis-;

III (R)- a, (1R)-trans- + (S)- a, (1S)-trans-;

IV (S)- a, (1R)-trans- + (R)- a, (1S)-trans-.

Tech. grade contains: <2% diastereoisomer I, 30-40% diastereoisomer II, <3% diastereoisomer III, and 53-67% diastereoisomer IV. Mol. wt.: 434.3; M.f.: C22H18Cl2FNO3; Form: Colourless crystals; (tech. is a white powder with slight characteristic smell). M.p.: (II) 81 C; (IV) 106 C; V.p.: (II) 1.4x10-5 mPa; (IV) 8.5x10-5 mPa (both 20 C); KOW: (II) logP = 5.94; (IV) logP = 5.91; Henry: (II) 2.9x10-3; (IV) 3.1x10-2 (both in Pa m3 mol-1, 20 C); S.g./density: 1.34 g/cm3 (22 C); Solubility: In water: (II) 2.1, (IV) 1.2 (both in g/l, 20 C). In dichloromethane and toluene, both pairs >200 g/l (20 C). (II) In hexane 2-5, isopropanol 5-10 (both in g/l, 20 C). (IV) in hexane 1-2, isopropanol 2-5 (both in g/l, 20 C). Stability: Thermally stable at room temperature. Hydrolysis DT50 (22 C) for (II): 117 d (pH 4), 20 d (pH 7), 6 d (pH 9); for (IV): 25 d (pH 4), 11 d (pH 7), 5 d (pH 9).


Mode of action: Non-systemic insecticide with contact and stomach action. Acts on the nervous system, with rapid knockdown and long residual activity.

Uses: Insecticide effective against Lepidoptera, Coleoptera, Hemiptera and Homoptera on cotton, fruit, vegetables, cereals and other crops, at 7.5-20 g/ha. Also against migratory locusts and grasshoppers; and in animal health.

Formulation types: EC; EW; GR; UL; SC.

Mammalian toxicology

Oral: Acute oral LD50 for rats c. 500 mg/kg (in polyethyleneglycol), c. 270 mg/kg (xylene), c. 15 mg/kg (cremophor/water); for mice c. 140 mg/kg.

Skin and eye: Acute percutaneous LD50 (24 h) for rats >5000 mg/kg. No irritation to skin and slight primary irritation to the eye (rabbits).

Inhalation: LC50 (4 h) for rats c. 0.1 mg/l (aerosol), 0.53 mg/l (dust).

NOEL: (90 d) for rats 125, dogs 60 mg/kg diet.

ADI: 0.02 mg/kg b.w.

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

EC hazard T+; R26/28| N; R50, R53


Birds: Acute oral LD50 for Japanese quail >2000 mg/kg.

Fish: LC50 (96 h) for golden orfe 330.9, rainbow trout 89, bluegill sunfish 28 ng/l.

Daphnia: LC50 (48 h) 0.00029-0.0018 mg/l.

Environmental fate

Animals: Beta-cyfluthrin was largely and very quickly eliminated; 98% was eliminated after 48 h via the urine and the faeces.

Plants: Since beta-cyfluthrin is not systemic, it penetrates only slightly into the plant tissues and is hardly translocated into other plant parts. The concentration is very low and can be neglected.

Soil/Environment: Degradation in different soils is rapid. Leaching behaviour can be classified as immobile. The metabolites of beta-cyfluthrin are readily accessible to further microbial degradation to the point of mineralisation to CO2 in the soil.

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
Verify: Safe Import Export Tips
Product Category: Insecticides [73]

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