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Phthalic Anhydride (CAS 85-44-9)
Chemical Formula: C₈H₄O₃
Molecular Weight: 148.12 g/mol
Phthalic anhydride (PA) is a white crystalline organic compound with the molecular formula C₈H₄O₃, widely used as a key intermediate in plasticizers, resins, dyes, and pharmaceuticals. Our high-purity PA meets industrial standards (≥99.5% purity) with low free acid content, ensuring consistent performance in downstream applications.
- Stable Properties: Melting point 130.5–134°C, boiling point 284°C, and slight solubility in water (6 g/L at 20°C).
- Versatile Applications: Primary raw material for PVC plasticizers (60% of global demand), unsaturated polyester resins, and alkyd coatings.
- Compliance: ISO 9001 certified, REACH/EPA registered, and available with COA/MSDS documentation.
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