Phthalic acid Dibutyl is also called the adjacent phthalic acid Dibutyl or butyl ester, English, Dibutyl phthalate, colorless transparent oily liquid, the specific gravity of 1.045 (21 ℃), the boiling point 340 ℃, insoluble in water, water soluble and volatility is low, but soluble in ethanol, ether, acetone and benzene and other organic solvents can also unlike most hydrocarbon miscibility.
Butyl phthalate (DBP) and phthalate xin fat, phthalate (DOP) butyl ester (DIBP) as the three most common plasticizers, is the common use of the plastic, artificial leather and synthetic rubber plasticizer.
It is made by heating esterification with phthalic anhydride and n-butyl alcohol.