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| Insecticide--Tefluthrin |
Common name: Tefluthrin,Tefluthrine CAS: 79538-32-2 Molecular formula:C17H14ClF7O2 Molecular weight:418.74 Structural formula:  Physiochemical property: Pure products are colorless solid,technical grade: offwhite,melting point:44.6ºC,vapor pressure: 80mPa(20ºC), solubility:(20ºC): water(cushion water: pH 5.0¡¢pH 9.2,pure water: pH 6.5):0.02mg/l, acetone, methylene chloride, ethyl acetate, hexane,toluene (21ºC)> 500g/l,methanol 263mg/l.Kow 3160000(20ºC). Stability:Stable for 270 days at 15-25ºC, stable for 84 days at 54ºC. It will lose 27-30% in 31 days when the aqueous solution(pH 7 is exposed to the sunlight. Between pH5 and pH7,hydrolysis > 30 days,when the pH is 9,hydrolyze 7% in 30 days. Analysis method:GC is used in product
analysis and residue test. |
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