Phthalic Anhydride- PAN is a multipurpose intermediate in organic chemistry. I. G. Petrochemicals Ltd. Manufactures Phthalic Anhydride- PAN. I. G. Petrochemicals Ltd. Also manufactures reactivity chemical. Phthalic Anhydride- PAN is a precursor to a variety of reagents useful in organic synthesis. It is widely used in industry for the production of certain dyes. A well-known application of this reactivity is the preparation of the anthroquinone dye quinizarin. The primary use of PAN is as a chemical intermediate in the production of plastics from vinyl chloride.
