A级黄韩国免费久久久,亚洲欧洲无码精品一区二区三区,亚洲免费观看一级,黄色视频网站在线观看

      1. <source id="lait9"></source>
        1. <source id="lait9"></source>
            Tonghua Pesticide Chemical Stock Co., Ltd.
            Hot Products: Diflubenzuron   Bordered crude drug
              Home About us History Honor R & D Products Order Contact  
            Crude Drug series 
            Insecticide Reagent series 
            Bactericide series 
            seed treatment dry powder series 
            Herbicide series 
            health insecticide series 
            Lice mitesurea

            ISO Common Name:  Lufenuron  
            Chemical Names:  RS)-1-[2,5-dichlone-4-(1,1,2,3,3,3-propoxy hexafluorophosphate)phenyl]-3-(2,6-difluorobenzoyl)urea
            CAS Number:  103055-07-8
            Molecular formula:  C17H8Cl2F8N2O3
            Physical and chemical properties:  white crystal . melting point 164.7-167.7°C ;Vapour pressure<1.2 X 10 -9 Pa ( 25 °C );The solubility in water ( 20°C )<0.006mg/L . The solubility in other solvents ( 20°C, g/L ):methyl alcohol 41, acetone 460, Toluene 72, n-hexane 0.13, n-octyl alcohol 8.9 . Under air, or light, it is stable,In water DT 50 : 32 days( pH9 ), 70 days( pH7 ), 160 days( pH5 ).  

            Copyright(C)2014,Tonghua Pesticide Chemical Stock Co., Ltd. All Rights Reserved. Supported by ChemNet ChinaChemNet Toocle Copyright Notice
            history honor R&D