JAMMARK INTERNATIONAL TRADINGE(ZIBO) CO., LTD. is one of the most professional manufacturers and suppliers of phthalic anhydride (cas 85-44-9) in China. If you're going to buy high quality phthalic anhydride (cas 85-44-9) made in China, welcome to get more information from our factory. For price consultation, contact us.
Phthalic anhydride (PA), CAS 85-44-9
It's a white crystalline organic compound (C₈H₄O₃) widely used as a key intermediate in plastics, resins, and dyes industries. With a purity of ≥99.5%, it meets global standards for industrial applications.
Key Features
High Purity: 99.5% min., low free acid content (<0.2%).
Stable Properties: Melting point 130-134°C, sublimation at 284°C, and solubility in organic solvents.
Versatile: Primary raw material for phthalate plasticizers, unsaturated polyesters, and alkyd resins.
Applications
Plastic Industry: Manufacture of PVC plasticizers (e.g., DOP, DBP).
Resins & Coatings: Production of unsaturated polyester resins (UPR) and alkyd resins.
Dyes & Pharmaceuticals: Intermediate for anthraquinone dyes and phenolphthalein.
Quality Assurance
Packaged in 25kg moisture-proof bags with clear CAS labeling.
Compliant with ISO 9001 and REACH regulations.
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