Phthalic Anhydride is an aromatic organic intermediate widely used in large-scale chemical manufacturing, particularly in the production of plasticizers, resins, and dye systems. Typically produced through the catalytic oxidation of ortho-xylene or naphthalene, it appears as a white crystalline solid or flakes. Its high reactivity with alcohols and glycols makes it an important building block in polymer and coating formulations.
Chemical Name: Phthalic Anhydride (1,3-Isobenzofurandione)
CAS Number: 85-44-9
Chemical Family: Aromatic carboxylic acid anhydride
Appearance: White crystalline solid or flakes
◦ o-Phthalic anhydride
◦ Isobenzofuran-1,3-dione
◦ Phthalic acid anhydride
◦ 1,3-Dioxo-1,3-dihydroisobenzofuran
Phthalic Anhydride is commonly associated with:
◦ Plasticizer production (phthalate esters)
◦ Alkyd resin manufacturing for coatings and paints
◦ Unsaturated polyester resins for composites and laminates
◦ Dye and pigment intermediate production
Application requirements vary by process and formulation.
The Chemical Company supplies Phthalic Anhydride to customers across a variety of industrial markets.
Packaging options, inventory status, and logistics support may vary by region and application.
Contact The Chemical Company for current availability, pricing, samples, specifications, SDS documentation, regulatory information, and purchasing assistance.
"*" indicates required fields
