Top 10 Companies in the Global Isophthaloyl Chloride (ICL) (CAS 99-63-8) Market (2025): Pioneering High-Performance Material Synthesis

In Business Insights
November 16, 2025


The Global Isophthaloyl Chloride (ICL) Market was valued at USD 215.4 Million in 2024 and is projected to reach USD 341.9 Million by 2032, growing at a Compound Annual Growth Rate (CAGR) of 5.8% during the forecast period (2024–2032). This growth is primarily driven by escalating demand for high-performance polymers such as aramid fibers and liquid crystal polymers, expanding pharmaceutical applications, and the robust growth of the specialty chemicals sector in Asia-Pacific.

As industries from aerospace to pharmaceuticals increasingly rely on advanced materials, the role of key chemical intermediates like Isophthaloyl Chloride becomes more critical. This blog profiles the Top 10 Companies in the Global Isophthaloyl Chloride Industry—a blend of established chemical giants and specialized manufacturers shaping the supply chain for high-performance material synthesis.


🔟 1. DuPont de Nemours, Inc.

Headquarters: Wilmington, Delaware, USA
Key Offering: High-Purity Isophthaloyl Chloride, Specialty Polymer Intermediates

DuPont is a global leader in specialty chemicals, with a significant presence in the Isophthaloyl Chloride market. The company leverages its advanced manufacturing capabilities and extensive R&D to produce high-purity ICL for critical applications in aramid fibers and high-temperature polymers. DuPont’s vertically integrated operations ensure consistent quality for sectors including aerospace, military, and electronics.

Innovation and Production Initiatives:

  • Recent $50 million capacity expansion at its Virginia production facility

  • Pioneering R&D in bio-based and sustainable chemical pathways

  • Strategic partnerships with major polymer manufacturers

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Global Isophthaloyl Chloride (ICL) (CAS 99-63-8) Market – View in Detailed Research Report


9️⃣ 2. CABB Chemicals

Headquarters: Sulzbach, Germany
Key Offering: Pharmaceutical Grade ICL, Custom Chlorination Services

CABB Chemicals is a leading European producer of specialty chlorinated compounds, with a strong focus on high-purity Isophthaloyl Chloride. The company’s expertise in precise chemical synthesis makes it a preferred supplier for the pharmaceutical industry, where stringent quality standards are paramount. CABB’s closed-loop manufacturing processes emphasize environmental responsibility.

Innovation and Production Initiatives:

  • Specialization in cGMP-compliant production for pharmaceutical APIs

  • Advanced purification technologies for ≥99.5% purity grades


8️⃣ 3. Ruiyuan Chemical Group Co., Ltd.

Headquarters: Zibo, Shandong, China
Key Offering: Technical and High-Purity ICL, Aramid Fiber Intermediates

Ruiyuan Chemical is one of China’s largest producers of Isophthaloyl Chloride, boasting substantial production capacity and cost-effective manufacturing. The company serves a diverse client base across Asia, supplying intermediates for polymer production, agrochemicals, and dyes. Its strategic location in Shandong province provides access to key raw materials and logistics networks.

Innovation and Production Initiatives:

  • Continuous process optimization for enhanced yield and reduced waste

  • Expansion into value-added ICL derivatives for niche applications


7️⃣ 4. Shandong Kaisheng New Materials Co., Ltd.

Headquarters: Weifang, Shandong, China
Key Offering: ICL for Polymers, Flame Retardants, and Coatings

Shandong Kaisheng has rapidly emerged as a key player in the Asian ICL market, focusing on serving the region’s growing polymer and textile industries. The company’s competitive pricing and reliable supply chain have made it a significant exporter to Southeast Asian markets. Its product portfolio includes both standard and customized ICL formulations.

Innovation and Production Initiatives:

  • Investment in automated production lines for consistent quality

  • Development of tailored ICL grades for specific polymer applications

Download FREE Sample Report:
Global Isophthaloyl Chloride (ICL) (CAS 99-63-8) Market – View in Detailed Research Report


6️⃣ 5. Yantai Yuxiang Advanced Materials Co., Ltd.

Headquarters: Yantai, Shandong, China
Key Offering: High-Performance ICL, Specialty Chemical Intermediates

Yantai Yuxiang specializes in advanced materials, with Isophthaloyl Chloride being a core product in its portfolio. The company has established a strong reputation for quality and technical support, particularly in serving the domestic Chinese market for high-performance engineering plastics and composites. Its focus on R&D has led to several proprietary production process improvements.

Innovation and Production Initiatives:

  • Strong emphasis on R&D for process efficiency and product innovation

  • Strategic collaborations with academic institutions for technology development


5️⃣ 6. Changzhou Kefeng Chemical Co., Ltd.

Headquarters: Changzhou, Jiangsu, China
Key Offering: ICL for Electronic Chemicals, Pharmaceutical Intermediates

Changzhou Kefeng has carved a niche in producing high-purity Isophthaloyl Chloride for demanding applications in electronics and pharmaceuticals. The company’s quality control systems and technical expertise have positioned it as a preferred supplier for manufacturers requiring stringent specifications. Its location in Jiangsu provides access to China’s vibrant electronics manufacturing hub.

Innovation and Production Initiatives:

  • Focus on ultra-high purity grades for electronic applications

  • Implementation of comprehensive analytical testing capabilities


4️⃣ 7. Lonza Group AG

Headquarters: Basel, Switzerland
Key Offering: Pharmaceutical Grade ICL, Custom Synthesis Services

Lonza brings its extensive experience in fine chemicals and biotechnology to the Isophthaloyl Chloride market. While not a volume leader, the company focuses on high-value segments, particularly pharmaceutical intermediates where its expertise in cGMP manufacturing and regulatory compliance provides a competitive edge. Lonza’s global presence ensures reliable supply to multinational pharmaceutical clients.

Innovation and Production Initiatives:

  • Application of green chemistry principles to reduce environmental impact

  • Development of specialized ICL derivatives for targeted drug delivery systems


3️⃣ 8. Haihang Industry Co., Ltd.

Headquarters: Jinan, Shandong, China
Key Offering: Standard and Custom ICL Grades, Export-Oriented Supply

Haihang Industry operates as both a manufacturer and global distributor of Isophthaloyl Chloride, serving customers across Europe, North America, and Asia. The company’s strength lies in its flexible production capabilities and responsive customer service, catering to both large-volume buyers and clients with specialized requirements. Its export-oriented business model has established a widespread international presence.

Innovation and Production Initiatives:

  • Flexible batch production to accommodate custom orders

  • Robust logistics network for reliable international delivery


2️⃣ 9. Toronto Research Chemicals

Headquarters: Toronto, Ontario, Canada
Key Offering: Research Grade ICL, Analytical Standards

Toronto Research Chemicals (TRC) specializes in high-purity chemicals for research and development, including analytical standards of Isophthaloyl Chloride. While serving a niche market, TRC plays a crucial role in supporting academic and industrial R&D activities worldwide. The company’s products are essential for method development, quality control, and exploratory research in new ICL applications.

Innovation and Production Initiatives:

  • Production of certified reference materials for analytical laboratories

  • Support for early-stage research in novel ICL applications


1️⃣ 10. Jiangsu Liaoyuan Environmental Protection Technology Co., Ltd.

Headquarters: Jiangsu, China
Key Offering: ICL with Focus on Environmental Compliance

Jiangsu Liaoyuan has positioned itself as a manufacturer emphasizing environmentally responsible production of Isophthaloyl Chloride. The company invests in wastewater treatment and emission control technologies to minimize the environmental footprint of chlorination processes. This focus appeals to customers with strong sustainability mandates, particularly in international markets.

Innovation and Production Initiatives:

  • Implementation of advanced waste treatment and recycling systems

  • Development of cleaner production technologies for chlorinated compounds

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Global Isophthaloyl Chloride (ICL) (CAS 99-63-8) Market – View in Detailed Research Report


🔬 Outlook: The Future of Isophthaloyl Chloride is Innovation-Driven and Application-Specific

The Isophthaloyl Chloride market is undergoing a significant transformation as demand patterns shift toward specialty, high-value applications. While traditional uses in fibers and polymers continue to dominate volume, emerging applications in pharmaceuticals and electronics are creating new growth vectors.

📈 Key Trends Shaping the Market:

  • Rising demand for high-performance aramid fibers in aerospace and defense sectors

  • Increasing pharmaceutical applications requiring high-purity ICL intermediates

  • Geographic shift of production capacity to Asia, particularly China

  • Growing emphasis on environmental compliance and sustainable production methods

Get Full Report Here:
Global Isophthaloyl Chloride (ICL) (CAS 99-63-8) Market – View in Detailed Research Report

The companies profiled above are not only supplying a critical chemical intermediate—they’re enabling innovation across multiple high-tech industries and driving the advancement of advanced material science.