Isophthalic acid
CAS No:121-91-5Molecular StructureSamples
EINECS No:204-506-4121-91-5 PIC-2.jpg121-91-5 PIC-3.jpg
Molecular Formula:C8H6O4
Molecular Weight:166.13
Density:1.54 g/ml at 25 °C
Physical Properties:Phthalic acid is a colorless crystal that crystallizes with water or ethanol; Slightly soluble in water, insoluble in benzene, toluene, and petroleum ether, soluble in methanol, ethanol, acetone, and glacial acetic acid.
Applications:Phthalic acid is used in the production of alkyd resins, unsaturated polyester resins, and other polymers and plasticizers. It is also used in the manufacturing of film couplers, coatings, polyester fiber dyeing modifiers, and pharmaceuticals.