Phthalic Anhydride (pa)
- Estimate pricing$ 1300
- AvailabilityIn stock
- Molecular weight148.12
- Melting point131.1 °C
- Boiling point284.5 °C
- Flash point (closed)151 °C
Products Description
Phthalic Anhydride (PA) White scaly or Crystalline powder, Molecular formula C8H403, Molecular weight 148.12, Melting point 131.1l , Boiling point 284.5 , Flash point 151 (close), 165 (open), Spontaneous combustion point 584 , Density (Solid) 1.527g / cm3, insoluble in water, soluble in water, alcohol, ether, benzene and most organic solvents. Phthalic anhydride is a cyclic anhydride, is an important chemical raw material, especially for plasticizer manufacturing. Dibutyl phthalate, Dioctyl phthalate are important plasticizers. Phthalic anhydride and polyols (such as glycerol, pentaerythritol) can generate polyarylate resin in condensation way, used in paint industry; if an unsaturated acid with ethylene glycol happening condensation, the resulting chemicals is unsaturated polyester resin, for the manufacturing of insulating paint and glass fiber reinforced plastics . Phthalic anhydride is a raw material of benzoic acid, terephthalic acid, also used in pharmaceutical synthesis. Top gradeFirst gradeQualified product Appearancewhite scaly or Crystalline powderwhite scaly or Crystalline powder with other colors Melting Chroma, Chroma2050100 Thermal stability Chroma, Chroma50150 Sulfuric acid Chroma, Chroma40100150 Crystallization point130.5130.3130.0 Purity, % 99.599.599.5 Mass fraction of free acid, % 0.200.300.50
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Products Specification
- Molecular weight148.12
- Melting point131.1 °C
- Boiling point284.5 °C
- Flash point (closed)151 °C
- Flash point (open)165 °C
- Spontaneous combustion point584 °C
- Density (Solid)1.527 g/cm³
- Solubilityinsoluble in water; soluble in alcohol, ether, benzene and most organic solvents
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Phthalic Anhydride (PA) is a white scaly or crystalline powder with molecular formula C8H403 and molecular weight 148.12. Its melting point is 131.1 °C, boiling point 284.5 °C, flash point 151 °C (closed) and 165 °C (open), spontaneous combustion point 584 °C and solid density 1.527 g/cm³. It is insoluble in water but soluble in alcohol, ether, benzene and most organic solvents. PA is an important chemical raw material used for manufacturing plasticizers such as dibutyl phthalate and dioctyl phthalate, for producing polyarylate resins with polyols, unsaturated polyester resins for insulating paints and glass‑fiber reinforced plastics, and as a raw material for benzoic acid, terephthalic acid and pharmaceutical synthesis. Technical grades are specified for appearance, melting chroma, thermal stability chroma, sulfuric acid chroma, crystallization point, purity and mass fraction of free acid.
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About Supplier
Kaifeng Jiuhong Chemical Co., Ltd is a premier leather products export company, established in 2010 and based in China. With a decade of experience, Kaifeng Jiuhong Chemical Co., Ltd has built a reputation for delivering high-quality leather goods to clients across the globe. The company specializes in a wide range of leather products, including bags, wallets, belts, and custom leather accessories, all crafted with precision and attention to detail. Leveraging advanced manufacturing techniques and stringent quality control processes, Kaifeng Jiuhong Chemical Co., Ltd ensures that each product meets the highest standards. The company’s commitment to excellence, timely delivery, and customer satisfaction has made it a trusted name in the international market.Kaifeng Jiuhong Chemical Co., Ltd continues to expand its global footprint, exporting its superior leather products to various countries, while maintaining strong relationships with clients worldwide.
Supplier Details for Phthalic Anhydride (pa)
- Established - 16 Oct, 2026
- Business Type - Contact Seller
- Deals in Product Type - Chemicals & Allied Products
- Country - China
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5. What is the Port of Dispatch, Estimated Price, and Packaging Type Offered by Kaifeng Jiuhong Chemical Co., Ltd?
Kaifeng Jiuhong Chemical Co., Ltd, a reliable B2B trader from China, dispatches Phthalic Anhydride (pa) primarily through the port at China. Packaging types (e.g., bulk, custom, eco-friendly) and estimated pricing may vary based on order volume and destination. To get detailed logistics and pricing information, reach out via the Inquire Now button or Sign Up for direct supplier interaction.
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