Phthalic anhydride, with the CAS Registry Number 85-44-9, is a versatile compound widely used in the production of plasticizers, alkyd resins, dyes, and pharmaceuticals. It plays a crucial role in enhancing the flexibility of plastics, providing durability in coatings, and forming stable compounds in various industries. Due to its hazardous nature, proper handling and adherence to safety regulations are necessary when working with phthalic anhydride.
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