毛片观看网址,天天操天天干天天射,欧美成人黄色片,欧美日韩资源,欧美三级真做在线观看,日韩不卡在线播放,久久精品香蕉

White or off-white crystalline powder, slightly soluble in cold water, soluble in hot water, acid, alkali, soluble in methanol, ethanol, benzene and other organic solvents. Chemical stability, in the alkali conditions, it can reacte condensation reaction, is a non-hazardous chemicals. Melting point: 172-175 ℃.

It is the intermediates of diazinon (Diazinon)of organophosphorus pesticide and pharmaceutical products.