Pure product is white crystal.mp104.5～105.5℃,Vapor Pressure1.25 × 10-3Pa (25℃),Relative density1.18

The original drug is white powder, the melting point of 173 degrees, at room temperature and weak acid-base environment in the nature of stability for the general chemical products.

Pure product is a colorless liquid, insoluble in water, soluble in organic solvents

Pure product is white powder crystal. m.p. 90.5 to 91.6 ° C, vapor pressure 9.33 × 10 -5 Pa (20 ° C), b.p. 220 ° C / 26.7 Pa. 20 ℃ in acetone, xylene, ethanol, n-hexane soluble in water solubility of 0.3mg / L. Stable under normal conditions. Industrial products as light brown powdery solid, m.p. 89 ~ 90 ℃.