Thirumalai Chemicals Limited manufactures Phthalic Anhydride. Thirumalai Chemicals Limited also manufactures Maleic Anhydride, Fumaric Acid and Malic Acid and various Fine Chemicals and Derivatives. The Phthalic Anhydride is used in the production of Phthalate plasticizers like DOP, DEP, in the production of unsaturated polyster resins, alkyd resins, Phthalate esters, cellulose, in the production of dyes like Anthraquinone, Phthalocyanine and Polyester Polyols. The Phthalic Anhydride has Molecular Weight of 148.1. This Chemical is White in colour and mild characteristics odour. This Chemical is available in flakes form.