Colorless to light yellow volatile liquid, the polarity. With high refractive sex and strong fragrant smell, flammable, poisonous!!!!! Freezing point 5.53 ℃, 80.1 ℃, the boiling point of the relative density of 0.8790 (20/4 ℃), refractive index of 1.5011, 1.4979, flash point (closed cup)-11.1 ℃, 562.22 ℃ spontaneous combustion point. With ethanol, ethyl ether, acetone, carbon tetrachloride, carbon bisulfide and acetic acid immiscible, slightly soluble in water.