colorless to yellow liquid-liang, a special irritating odor; the flash point of 18 ° C; -61.1 ° C melting point; the boiling point of 88 90 ° C solubility : soluble in alcohol, ether, benzene; density : relative density (water = 1) 1.52; the relative density (Air = 1) 6.87; Stability : stability; risk Marker 7 (flammable liquids); the main purposes : for soil insecticides, chemical intermediates