Phthalic Anhydride (PA) is an important organic chemical intermediate widely used in the production of plasticizers, unsaturated polyester resins, alkyd resins, dyes, pigments, pharmaceuticals, and other chemical products. It is a white crystalline solid with a characteristic odor and excellent chemical reactivity, making it an essential raw material in various industrial applications.
Product Name: Phthalic Anhydride
Chemical Formula: C₈H₄O₃
Molecular Weight: 148.12
CAS No.: 85-44-9
Appearance: White Flakes or Molten Liquid
Purity: ≥ 99.5%
HS Code: 29173500
Phthalic Anhydride is the primary raw material for manufacturing phthalate plasticizers such as DOP, DINP, and DBP, which improve the flexibility and durability of PVC products.
It is widely used in the production of unsaturated polyester resins for fiberglass-reinforced plastics, artificial marble, construction materials, and marine applications.
Phthalic Anhydride is an essential component in alkyd resin production, contributing to high-performance paints, coatings, and varnishes with excellent durability and weather resistance.
It serves as a key intermediate in the synthesis of various dyes, pigments, and colorants used in textiles, plastics, inks, and coatings.
Phthalic Anhydride is also utilized in the manufacture of pharmaceuticals, agrochemicals, and specialty chemical products.
Packaging: 25kg bags, 500kg jumbo bags, or molten bulk tankers.
Storage: Store in a cool, dry, and well-ventilated area away from moisture and direct sunlight.
Shelf Life: Up to 12 months under proper storage conditions.
High purity and stable quality
Consistent performance for industrial applications
Reliable supply and competitive pricing
Customized packaging options
Worldwide export and technical support
As a professional Phthalic Anhydride supplier and exporter, we provide high-quality products that meet international standards and serve customers in the plastics, resin, coatings, chemical, and manufacturing industries worldwide.
