Phthalic Anhydride

General Properties:

• Molecular Formula: C₈H₄O₃

• Appearance: White crystalline flakes or solid

• Melting Point: ~131°C

• Solubility: Reacts with water; soluble in many organic solvents

...

Applications:

• Plasticizers

  • A primary raw material for producing phthalate and non-phthalate plasticizers that enhance flexibility and workability in PVC and other polymers.

• Polyester Resins

  • Used extensively in fiberglass-reinforced plastics, construction panels, marine components, and automotive composites.

• Specialty Chemicals & Intermediates

  • Serves as a building block for dyes, pigments, pharmaceuticals, agricultural chemicals, and specialty additives.

• Adhesives & Sealants

  • Improves performance characteristics such as adhesion, flexibility, and longevity.

...

Advantages:

• High Reactivity & Efficiency: Facilitates efficient esterification and condensation reactions, supporting high yields and consistent product quality.

• Versatile Industrial Intermediate: Used across plastics, resins, coatings, and specialty chemical manufacturing, reducing sourcing complexity.

• Enhances Material Performance: Contributes to improved flexibility, durability, thermal stability, and surface finish in end-use products.

• Reliable, Large-Scale Availability: Produced globally at industrial scale, ensuring supply continuity for high-volume manufacturing.

• Cost-Effective Solution: Offers excellent performance-to-cost value for a wide range of applications.

...

Safety & Handling:

Phthalic Anhydride should be handled using standard industrial chemical safety practices.

• May cause irritation to eyes, skin, and respiratory tract

• Dust can be irritating if inhaled

• Avoid prolonged exposure