Use: pesticide, internal suction fungicide, mainly used for the prevention and control of apple, greenhouse rose and strawberry and other crops of powdery mildew.

        Physicochemical properties: the vapor pressure is 0.5 * 106mmHg at 20℃. Room temperature in water is 22 mg/l, soluble in most organic solvents and insoluble in alkanes.Kow5000（PH7）。Stability: easy to hydrolysis in dilute acid, unstable in long-term storage above 37℃. The half-life in the soil is 35-90 days (pH5.1-7.3). Industrial drug mp is about 40-45℃.