Pure product is colorless oily liquid with aromatic odor. b.p. 120℃/6.67Pa, vapor pressure 2.3×10-3Pa (20℃), relative density 0.931 (20℃), refractive index n20D1.4940, flash point 105℃. 25℃, in acetone, chloroform, cyclohexane, ethyl ether, ethanol, ethyl acetate, toluene, and other organic solvents, solubility are > The solubility in water is 4.3mg/kg(pH=7). The partition coefficient is 11500,pKa7.02. stable to light. Not hydrolyzed at 50°C under pH 3, 7, 9. Stable for more than 3 years in closed containers at room temperature.
