Transfluthrin TC
CAS No.:118712-89-3
Place of Origin:Guiyang, China (Mainland)...
State:Granular
Purity:≥94%
Application:
Fast-acting insecticide against mosquitoes, flies, cockroaches and wh
Description:
NOMENCLATURE
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
EEC no.: 405-060-5
PHYSICAL CHEMISTRY
Composition: Tech. is 94%.
Mol. wt.: 371.2;
M.f.: C15H12Cl2F4O2;
Form: Colourless crystals.
M.p.: 32C; B.p.: 135C/0.1 mbar;
V.p.: 4.0x10-1 mPa (20C).
KOW: logP = 5.46 (20C).
Henry: 2.60 Pa m3 mol-1 (calc.).
S.g./density: 1.5072 g/cm3 (23C).
Solubility: In water 5.7x10-5 g/l (20C). In organic solvents >200 g/l.
Stability: No decomposition after 5 h at 200C. DT50 in pure water (25C) >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).
Package: Iron drums, Net: 25kg/drum
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