Colorless orthorhombic crystal. Melting point 140.6 ℃. The relative density of the liquid is 1.084. Boiling point 283 ℃. Sublimation occurs when heated to 230 ℃. The refractive index is 1.4752. Viscosity (150 ℃) 0.965mPa-s. The ignition point is 155 ℃. Insoluble in water, soluble in ether and hot ethanol.
Intermediate of polyester resin. Also used in the production of insulation paint and adhesives. It can also be used to produce plasticizer dioctyl terephthalate.