Phthalic Anhydride

The possibilities of Phthalic Anhydride

Phthalic Anhydride (PA) is an organic compound. It is a colourless, crystalline product, solid at low temperatures and liquid above 130°C. It is used in the production of plasticizers.

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Industrial uses of Phthalic Anhydride

Intermediate used in the production of:

  • Phthalate Plasticisers, used to produce flexible PVC products like coated fabrics, roofing membranes, swimming pool liners and cables
  • Unsaturated polyester resins, used to produce fiberglass-reinforced plastics
  • Alkyd resins, used in paints and lacquers for housing, furniture and industrial machinery
  • Aromatic polyester polyols, mostly used to produce rigid Polyurethane foam (PUR and PIR)
  • Sacharine


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