Phthalic Anhydride | 85-44-9

Description :

Overview of Phthalic Anhydride

Phthalic Anhydride is an important organic chemical intermediate widely used in the manufacture of plasticisers, resins, coatings, and speciality chemicals. It appears as a white crystalline solid with a characteristic odour and plays a critical role in large-scale industrial chemical production.

For non-technical buyers, Phthalic Anhydride can be understood as a basic building-block chemical used to make many everyday materials, including plastics, paints, and coatings. Its reactive nature allows it to form a variety of downstream products essential to modern manufacturing.

Phthalic Anhydride is classified under organic anhydrides and industrial chemical intermediates, supporting multiple chemical and polymer-based industries.

Applications of Phthalic Anhydride

Plasticisers & Flexible Plastics

Phthalic Anhydride is widely used in the production of phthalate plasticisers that improve flexibility, softness, and durability in PVC and other plastics. It is a key raw material in manufacturing commonly used plasticisers for flexible plastic products.

Resins, Coatings & Paints

In resin and coating applications, Phthalic Anhydride is used to manufacture alkyd resins and polyester resins. These resins provide excellent adhesion, gloss, and durability in paints, varnishes, and industrial coatings.

Unsaturated Polyester Resins & Composites

Phthalic Anhydride is an essential component in unsaturated polyester resins used for fibreglass-reinforced plastics, construction materials, and moulded composite products.

Chemical Intermediates & Industrial Synthesis

Phthalic Anhydride serves as a chemical intermediate in the synthesis of dyes, pigments, pharmaceuticals, and other specialty chemicals. Its versatility supports a wide range of industrial chemical processes.

Safety & Handling Guidelines

• Store in a cool, dry, and well-ventilated area

• Keep containers tightly sealed and protected from moisture

• Avoid inhalation of dust or vapours

• Prevent direct contact with skin and eyes

• Use protective gloves, goggles, and suitable industrial clothing

• Keep away from heat sources and incompatible materials

• Follow standard industrial chemical handling procedures

• Dispose of packaging according to local regulatory guidelines
  
  

Where to Buy Phthalic Anhydride?

Phthalic Anhydride Manufacturer

Phthalic Anhydride is manufactured for use in plasticisers, resins, coatings, and industrial chemical applications requiring consistent purity and reliable reactivity.

Phthalic Anhydride Supplier & Distributor

Phthalic Anhydride is supplied in bulk and industrial-grade quantities for plasticiser manufacturers, resin producers, coating companies, and chemical processors. It is available for domestic and international markets with dependable supply support and standard quality documentation.

As a reliable chemical intermediate supplier, experienced bulk distributor, and trusted industrial sourcing partner, we support manufacturers with consistent access to Phthalic Anhydride and related raw materials, ensuring stable quality, scalable volumes, and smooth procurement.

Phthalic Anhydride MSDS

The Material Safety Data Sheet (MSDS) for Phthalic Anhydride provides detailed information on safe handling, storage conditions, exposure controls, first-aid measures, and emergency response procedures. Users should always review the Phthalic Anhydride MSDS before handling or using the product in industrial environments.

Frequently Asked Questions (FAQs)

1. 1. What is Phthalic Anhydride mainly used for?

      Phthalic Anhydride is mainly used in the production of plasticisers, alkyd resins, polyester resins, and speciality chemical intermediates.
      
      

   2. What is the CAS number of Phthalic Anhydride?

      The CAS number of Phthalic Anhydride is 85-44-9.
      
      

   3. Is Phthalic Anhydride soluble in water?

      It has limited solubility in water and reacts with water to form phthalic acid.
      
      

   4. What is the IUPAC name of Phthalic Anhydride?

      The IUPAC name of Phthalic Anhydride is isobenzofuran-1,3-dione.
      
      

   5. Is Phthalic Anhydride available in bulk industrial supply?

      Yes, Phthalic Anhydride is widely available in bulk quantities for industrial and chemical manufacturing applications.