IPA-Isophthalic acid

Purified isophthalic acid is a purified form of isophthalic acid, which is a dicarboxylic acid with the chemical formula C8H6O4. It is commonly used in the production of polyester resins and fibers, as well as in the manufacture of plastic bottles, films, and other products. It is also used as a intermediate in the production of some synthetic lubricants. Purified isophthalic acid is typically produced by the oxidation of ortho-xylene or by the catalytic oxidation of phenol.