Phthalic Anhydride is a principal commercial form of Phthalic Acid. It was the first anhydride of a dicarboxylic acid to be used commercially.
This colourless solid is an important industrial chemical, especially for the large scale production of plasticizers for plastics.
Molecular Formula of Phthalic Anhydride
- Phthalate esters plasticizers.
- Precursors to dye stuff.