Crystallization from water or ethanol is colorless. Flammable. Low toxicity. Density 1.507. Melting point: 345-348 ℃. Can be sublimated. Slightly soluble in water, insoluble in benzene, toluene, and petroleum ether, soluble in methanol, ethanol, acetone, and glacial acetic acid.
Used for manufacturing alkyd resins, unsaturated polyester resins, and other high polymers and plasticizers, as well as for manufacturing film colorants, coatings, polyester fiber dyeing modifiers, and pharmaceuticals.