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Phthalic Anhydride

CAS Number:


Other Trading Names:

  • 2-Benzofuran-1,3-Dione
  • Isobenzofuran-1,3-Dione
  • Phthalic Anhydride

Types of Packaging

  • 25 kg bag with inner plastic bag.
  • 50 kg bag with inner plastic bag.
  • 1000 kg bag with inner plastic bag.
  • 1200 kg bag with inner plastic bag.

HS Code:


Phthalic Anhydride or 1,2-Benzenedioic Acid is an extremely useful chemical compound and therefore, has many industrial applications. Its main applications and strengths are:

  • Phthalic Anhydride is most commonly used for the large-scale production of plasticizers for plastics.
  • It performs the useful functions of fillers for products such as paints, plastics, and textiles etc.
  • It is used in the production of building material.
  • It is utilised for making insulating material for protection from noise and cold etc. such as in homes and buildings.
  • It is also consumed for making insulation for wires and electrical cables.
  • In the chemical industry it acts as a modifier for chemicals.
  • It is widely used for the efficient production of colourants. It is used for making dyes and pigments.
  • It is employed as a colorant for drugs, textiles and personal care products like cosmetics, tattoo inks and hair dyes etc.
  • In the food industry it is highly demanded for the production of food colours.
  • It is put to use in the paper industry for the production of inks for printing.
  • It is an essential chemical compound in the construction industry for making construction material.
  • It serves as an effective disinfectant.
  • It performs significant functions in the treatment and purification of drinking water.
  • It is employed in the production of food additives such as spices, extracts colourings and flavours etc.
  • It is applicable for use in the production of food packaging materials and other products such as paper plates, cutlery etc.
  • It is an essential ingredient for making products used for cleaning and caring for automobiles.
  • It is used in products used for photography such as photographic films, photographic tools, and photo chemicals etc.


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