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.
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
Packing: 25kgs/Iron drum
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).