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Company Profile Tel : 0086-755-8219 2677 / 0086-755-6162 9086 Fax:0086-755-8219 0759

Product Description:


Specification: Technical: 95%

Physical and chemical property: Appearance:orange red crystals ,melting point:48.5-49;

vapor pressure:19.7mPa25,the solubility27is: in water1mg/l;in acetone:400g/t, in xylene:580g/l,(k/ow)11800(PH7,25);the 95% trifluralin's melting point is 42,stable when the temperature is below 52high temperature reservoir testhydrolyze when PH3.6 and 9 (52);decompose under the ultraviolet light, in soil isDT/5357-126d.

Toxicity: Acute oral LD50 for rats >5000 mg/kg. Skin and eye: Acute percutaneous LD50>5000 mg/kg (rabbits). Non-irritating to skin; slightly irritating to eyes (rabbits). Inhalation: LC50 (4 h) for rats >4.8 mg/l


Packing:Technical: 25Kg/carton,EC&SL: 200L/drum, powder formulation: 25kg/bag



Chemical name】2,6-dinitro-N,N-dipropyl-4-(trifluoromethyl)benzenamine

【Molecular weight】335.3
【Molecular formular】C13H16F3N3O4

【Molecular structure】

【Mode of action】Selective soil-herbicide, which acts by entering the seedling in the hypocotyl region. Also inhibits root development.
【Uses】Pre-emergence control of many annual grasses and broad-leaved weeds in brassicas, beans, peas, carrots, parsnips, lettuce, capsicums, tomatoes, artichokes, onions, garlic, vines, strawberries, raspberries, citrus fruit, oilseed rape, peanuts, soya beans, sunflowers, safflowers, ornamentals including trees and shrubs, cotton, sugar beet, sugar cane, amenity grass, and in forestry. Used with linuron or isoproturon for control of annual grasses and broad-leaved weeds in winter cereals. Normally applied pre-planting with soil incorporation, at 0.5-1.0 kg/ha, but post-planting application is also possible for some crops.
【Physical chemistry】 Form Yellow-orange crystals. M.p. 48.5-49 °C; (tech., 43-47.5 °C) B.p. 96-97 °C/24 Pa V.p. 6.1 mPa (25 °C) (EEC A4) Kow logP = 4.83 (20 °C) (EEC A8) Henry 15 Pa m3 mol-1 (calc.) S.g./density 1.36 (22 °C) (EEC A3) Solubility In water 0.184 (pH 5), 0.221 (pH 7), 0.189 (pH 9) (all in mg/l) (EEC A6); tech. 0.343 (pH 5), 0.395 (pH 7), 0.383 (pH 9) (all in mg/l) (EEC A6). In acetone, chloroform, acetonitrile, toluene, ethyl acetate >1000, methanol 33-40, hexane 50-67 (all in g/l, 25 °C). Stability Stable at 52 °C (highest storage temperature tested). Stable to hydrolysis at pH 3, 6 and 9 (52 °C). Decomposed by u.v. irradiation (E. Leitis & D. G. Crosby, J. Agric. Food Chem., 1974, 22, 842). F.p. 151 °C (closed cup); tech. 153 °C (open cup) (both Pensky-Martens)

【Mmmalian toxicology】 IARC ref. 53 IARC class. 3 Oral Acute oral LD50 for rats >5000 mg/kg. Skin and eye Acute percutaneous LD50 for rabbits >5000 mg/kg. Non-irritating to skin; slightly irritating to eyes (rabbits). Inhalation LC50 (4 h) for rats >4.8 mg/l. NOEL In 2 y feeding trials in rats, the only effect at the low dose of 813 mg/kg in diet was the formation of renal calculi. This has been shown to be reversible in a 90 d study in dogs, and a NOEL established at 2.4 mg/kg daily. NOEL in mice was 73 mg/kg daily. ADI 0.024 mg/kg. Water GV 20 μg/l (TDI 7.5 μg/kg b.w.). Toxicity Class  WHO (a.i.) U; EPA (formulation) III, IV EC classification Material containing <0.5 ppm N-nitrosodipropylamine is Xi; R36| R43| N; R50, R53. New draft assignment: R40| R43| N; R50, R53 (concn. dep.)

【Ecotoxicology】Birds Acute oral LD50 for bobwhite quail >2000 mg/kg. Dietary LC50 (5 d) for bobwhite quail and mallard ducks >5000 mg/kg. Fish LC50 (96 h) for young rainbow trout 0.088, young bluegill sunfish 0.089 mg/l. Daphnia LC50 (48 h) 0.245 mg/l; NOEC (21 d) 0.051 mg/l. Algae EC50 (7 d) for Selenastrum capricornutum 12.2 mg/l; NOEC 5.37 mg/l. Other aquatic spp. LD50 (96 h) for grass shrimps (Palaemonetes sp.) 0.64 mg/l. Bees LD50 (oral and contact) >100 μg/bee. Worms LC50 (14 d) >1000 mg/kg dry soil; NOEC (reduced bodyweight) <171 mg/kg.



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