Introduction

Phthalic anhydride (C₈H₄O₃) is a cornerstone of industrial chemistry, valued for its versatility in producing plasticizers, resins, dyes, and pharmaceuticals. As a leading supplier of phthalic anhydride, ZÜMRÜT International Kimya Co. provides high-quality products to meet global industry demands. Derived from naphthalene or ortho-xylene, this compound drives innovation across sectors, but safe handling is essential. This guide explores phthalic anhydride’s properties, production, applications, safety protocols, and market trends, highlighting why ZÜMRÜT is your trusted phthalic anhydride distributor. (Contact Us)

What is Phthalic Anhydride?

Phthalic anhydride is a cyclic anhydride created by dehydrating phthalic acid. Its molecular formula, C₈H₄O₃, supports a wide range of chemical reactions, making it a critical raw material. As a phthalic anhydride manufacturer, ZÜMRÜT produces this compound through catalytic oxidation of ortho-xylene or naphthalene, ensuring high purity and efficiency for industrial applications. Our expertise as a chemical supplier guarantees reliable supply chains and tailored solutions for clients worldwide.

Why Choose ZÜMRÜT as Your Supplier of Phthalic Anhydride?

At ZÜMRÜT International Kimya Co., we prioritize quality, reliability, and customer satisfaction. Our phthalic anhydride meets rigorous industry standards, ensuring optimal performance in your applications. Whether you require bulk shipments or specialized grades, our team provides expert support to meet your needs as a premier industrial chemicals provider.

Key Properties of Phthalic Anhydride

Understanding phthalic anhydride’s properties is vital for its effective use:

• Physical Appearance: White or pale yellow crystalline solid, available as flakes or powder.

• Molecular Weight: 148.11 g/mol.

• Thermal Stability:

  • Melting Point: 131°C.

  • Boiling Point: 295°C.

• Solubility: Slightly soluble in water (0.2g/100mL), highly soluble in organic solvents like alcohol and benzene.

• Reactivity: Hydrolyzes to phthalic acid, forming esters essential for plasticizers and resins.

These characteristics make phthalic anhydride ideal for high-temperature processes and diverse syntheses, as supplied by ZÜMRÜT International Kimya Co..

Industrial Grades of Phthalic Anhydride

ZÜMRÜT offers a range of phthalic anhydride grades to suit specific applications:

• Technical Grade (99.5–99.8% purity): Ideal for producing plasticizers and general-purpose resins used in construction and automotive industries.

• Purified Grade (≥99.8% purity): Suited for high-quality coatings and dyes, ensuring vibrant and durable results.

• High Purity Grade (≥99.9% purity): Designed for pharmaceuticals and specialty resins, meeting stringent quality requirements.

• Reagent Grade (>99.9% purity): Used in laboratory research and precision synthesis for consistent, reliable outcomes.

As a trusted phthalic anhydride distributor, ZÜMRÜT helps clients select the appropriate grade for optimal performance.

Top Applications of Phthalic Anhydride

As a leading supplier of phthalic anhydride, ZÜMRÜT supports a variety of industries:

• Plasticizers: Enhance PVC flexibility for applications in automotive parts, construction materials, and medical devices.

• Resins & Coatings: Produces alkyd resins for durable paints and varnishes used in industrial and decorative coatings.

• Dyes & Pigments: Creates vibrant, stable colorants for textiles, plastics, and printing inks.

• Pharmaceuticals: Serves as a key intermediate in drug formulations, improving efficacy and stability.

• Unsaturated Polyester Resins (UPR): Forms lightweight, durable composites for marine, automotive, and aerospace sectors.

• Agricultural Chemicals: Acts as a component in herbicides and fungicides, supporting efficient crop protection.

ZÜMRÜT’s high-purity phthalic anhydride ensures consistent quality across these applications.

Production Process of Phthalic Anhydride

ZÜMRÜT employs advanced methods to produce phthalic anhydride:

1. Oxidation: Catalytic oxidation of ortho-xylene or naphthalene using vanadium pentoxide (V₂O₅) as a catalyst.

2. Purification: Distillation removes by-products like CO₂ to achieve high purity.

3. Crystallization: Solvent-based refinement ensures desired grade specifications.

4. Drying & Packaging: Moisture removal guarantees product stability; available in bulk or bagged forms for global distribution.

This efficient process underscores ZÜMRÜT’s position as a reliable phthalic anhydride manufacturer.

Safety Guidelines for Handling Phthalic Anhydride

Safe handling is critical for phthalic anhydride. ZÜMRÜT provides detailed safety protocols:

• Personal Protective Equipment (PPE): Wear gloves, goggles, and respirators to prevent skin, eye, or respiratory exposure.

• Storage: Store in cool, dry areas away from oxidizers to avoid chemical reactions.

• Emergency Measures: Rinse exposed areas with water immediately; seek medical attention for severe exposure.

• Regulatory Compliance: Adhere to OSHA and REACH guidelines for safe handling, transport, and disposal.

As a responsible chemical supplier, ZÜMRÜT ensures all products comply with global safety standards.

Market Trends and Environmental Considerations

As of August 2025, the global phthalic anhydride market is growing steadily, driven by demand in the construction, automotive, and pharmaceutical sectors. Industry reports project a CAGR of 4.5% through 2030, with Asia-Pacific leading due to rapid industrialization. However, environmental concerns, such as CO₂ emissions from production, have prompted stricter regulations, particularly in the EU under REACH. ZÜMRÜT is committed to sustainability, adopting greener production methods to reduce environmental impact while maintaining high-quality output as a supplier of phthalic anhydride.

Emerging trends include increased use of bio-based alternatives and recycling initiatives for phthalic anhydride-derived products. ZÜMRÜT stays ahead by investing in eco-friendly technologies and ensuring compliance with global standards, making us a preferred industrial chemicals partner.

Why Partner with ZÜMRÜT International Kimya Co.?

Choosing ZÜMRÜT as your phthalic anhydride distributor offers distinct advantages:

• Superior Quality: Rigorous quality control ensures consistent, high-purity products.

• Global Reach: Efficient logistics for timely delivery worldwide.

• Expert Support: Technical guidance to select the right grade for your needs.

• Sustainability: Commitment to eco-conscious production and regulatory compliance.

Contact us to explore how ZÜMRÜT can meet your phthalic anhydride requirements!

Conclusion

Phthalic anhydride is a vital chemical driving advancements in plastics, coatings, pharmaceuticals, and more. As a trusted supplier of phthalic anhydride, ZÜMRÜT International Kimya Co. delivers premium products backed by expertise, sustainability, and global reach. Our high-purity grades, robust supply chain, and dedication to safety make us the ideal partner for your industrial chemical needs. Connect with ZÜMRÜT today to elevate your operations with top-quality phthalic anhydride.

Contact Us

Ready to source high-quality phthalic anhydride? Contact ZÜMRÜT International Kimya Co. for tailored solutions:

📞 Phone/WhatsApp: +971 50 720 9246
📧 Email: info@causticsodaco.com
🌐 Website: www.causticsodaco.com