Transfluthrin 118712-89-3 manufacturer from China Shanghai Skyblue Chemical Co., Ltd.

Place of Origin:

Shanghai, China (Mainland)


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Product Detail

Model No.: 118712-89-3

Insecticide active by inhalation and contact; also repellent.

Common name: transfluthrin

IUPAC name: 2,3,5,6-tetrafluorobenzyl (1R,3S)-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate

Roth: 2,3,5,6-tetrafluorobenzyl (1R)-trans-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate

Chemical Abstracts name: (1R-trans)-(2,3,5,6-tetrafluorophenyl)methyl 3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylate

CAS RN: [118712-89-3]

EEC no.: 405-060-5

PHYSICAL CHEMISTRY

Composition: Tech. is 93%. Mol. wt.: 371.2; M.f.: C15H12Cl2F4O2; Form: Colourless crystals. M.p.: 32 ºC; B.p.: 135 ºC/0.1 mbar; V.p.: 4.0x10-1 mPa (20 ºC). KOW: logP = 5.46 (20 ºC). Henry: 2.60 Pa m3 mol-1 (calc.). S.g./density: 1.5072 g/cm3 (23 ºC). Solubility: In water 5.7x10-5 g/l (20 ºC). In organic solvents >200 g/l. Stability: No decomposition after 5 h at 200 ºC. DT50 in pure water (25 ºC) >1 y (pH 5), >1 y (pH 7), 14 d (pH 9).

APPLICATIONS

Biochemistry: Effector on presynaptic voltage gate sodium channels in nerve membranes, causing knockdown effects in insects.

Mode of action: Insecticide active by inhalation and contact; also repellent.

Uses: Fast-acting insecticide against mosquitoes, flies, cockroaches and whitefly. Formulation types: AL; FU; VP; XX; Spraying cans; Vapouriser liquid; Mosquito coils.

MAMMALIAN TOXICOLOGY

Oral: Acute oral LD50 for male and female rats >5000, male mice 583, female mice 688, hens >5000 mg/kg.

Skin and eye: Acute percutaneous LD50 (24 h) for male and female rats >5000 mg/kg.

Inhalation: LC50 (4 h) for male and female rats >513 mg/m3 air.

NOEL: (24 mo) for male and female rats 20 ppm, for male and female mice 100 ppm.

Toxicity class: WHO (a.i.) III (Table 5)

EC hazard: Xi; R38| N; R50, R53

ECOTOXICOLOGY

Birds: Acute oral LD50 for Virginian tree quail (Colinus virginianus) and canary birds (Serinus canarius) >2000 mg/kg.

Fish: LC50 (96 h) for golden orfe 1.25, rainbow trout 0.7 ug/l.

Daphnia: LC50 (48 h) 0.0017 mg/l.

Algae: EC50 (96 h) for Scenedesmus subspicatus >0.1 mg/l.

ENVIRONMENTAL FATE

Animals: Tetrafluorobenzoic acid and the glucuronate of tetrafluorobenzyl alcohol are formed.

Soil/Environment: In aquatic ecosystems, tetrafluorobenzyl alcohol and tetrafluorobenzoic acid are formed. DT50 in water 2 d (in light), 8 d (in dark).