The Global 2-Chlorothioxanthone Market was valued at USD 40.2 Million in 2024 and is projected to reach USD 56.8 Million by 2029, growing at a Compound Annual Growth Rate (CAGR) of 6.1% during the forecast period (2024–2029). This growth is primarily driven by increasing demand from the pharmaceutical industry for the antipsychotic drug chlorprothixene and the expanding applications of UV-curable inks, coatings, and adhesives, where 2-Chlorothioxanthone serves as a key photoinitiator.

As specialty chemicals gain prominence in advanced manufacturing and healthcare, the key producers of 2-Chlorothioxanthone (CAS 86-39-5) are enhancing production capacities, improving purity grades, and developing novel applications. In this blog, we profile the Top 10 Companies in the 2-Chlorothioxanthone Industry—specialty chemical manufacturers and pharmaceutical intermediates suppliers shaping the future of this niche but vital market.

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🔟 1. Inner Mongolia Yida Chemical Technology

Headquarters: Hohhot, Inner Mongolia, China
Key Offering: 2-Chlorothioxanthone (>98% Purity, >99% Purity)

Inner Mongolia Yida Chemical Technology is a leading producer of fine chemicals and pharmaceutical intermediates in China. The company has established a strong presence in the 2-Chlorothioxanthone market with its advanced synthesis capabilities and significant production capacity, serving both domestic and international clients.

Market Initiatives:

• Focus on high-purity grades for pharmaceutical applications
• Expansion of production facilities to meet growing global demand
• Strategic partnerships with major pharmaceutical and polymer companies

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9️⃣ 2. Dalian Richfortune Chemicals

Headquarters: Dalian, Liaoning, China
Key Offering: 2-Chlorothioxanthone (Pharmaceutical Grade, Photoinitiator Grade)

Dalian Richfortune Chemicals specializes in the manufacturing of fine chemicals, including thioxanthone derivatives. The company is known for its rigorous quality control and reliable supply chain, making it a preferred supplier for customers in Europe and North America.

Market Initiatives:

• Investment in R&D for improved synthesis processes
• Certification adherence for pharmaceutical intermediate supply
• Development of customized purity specifications for different applications

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8️⃣ 3. Lianyungang Unite Chemical

Headquarters: Lianyungang, Jiangsu, China
Key Offering: 2-Chlorothioxanthone, Custom Thioxanthone Derivatives

Lianyungang Unite Chemical is a key player in the production of fluorine-containing intermediates and fine chemicals. The company leverages its chemical synthesis expertise to produce high-quality 2-Chlorothioxanthone, catering to the evolving needs of the UV curing and pharmaceutical sectors.

Market Initiatives:

• Development of derivative products for niche applications
• Focus on environmentally friendly production processes
• Expansion into high-growth Asian markets

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7️⃣ 4. Dafeng Tiansheng Pharmaceutical

Headquarters: Yancheng, Jiangsu, China
Key Offering: 2-Chlorothioxanthone (Pharmaceutical Intermediate Grade)

Dafeng Tiansheng Pharmaceutical specializes in active pharmaceutical ingredients (APIs) and advanced intermediates. The company’s production of 2-Chlorothioxanthone is primarily directed toward the synthesis of chlorprothixene, ensuring high purity and compliance with strict pharmaceutical standards.

Market Initiatives:

• Vertical integration in the chlorprothixene supply chain
• Strategic focus on regulated markets with stringent quality requirements
• Continuous process optimization for cost-effective production

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6️⃣ 5. Anyang General Chemical

Headquarters: Anyang, Henan, China
Key Offering: 2-Chlorothioxanthone, Photoinitiator Blends

Anyang General Chemical is a well-established manufacturer of photoinitiators and related chemicals. The company offers 2-Chlorothioxanthone as a key component for UV-curing systems used in printing inks, coatings, and electronic materials.

Market Initiatives:

• Development of synergistic photoinitiator systems
• Focus on the fast-growing packaging and 3D printing industries
• Global distribution network for timely delivery

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5️⃣ 6. Kingchem Life Science

Headquarters: Shanghai, China
Key Offering: 2-Chlorothioxanthone (R&D and Commercial Scale)

Kingchem Life Science is a sophisticated supplier of life science intermediates and specialty chemicals. The company provides high-purity 2-Chlorothioxanthone to pharmaceutical companies and research institutions, supported by strong technical service and regulatory expertise.

Market Initiatives:

• Collaboration with global pharmaceutical innovators
• Supply of materials for clinical trial and commercial drug manufacturing
• Investment in analytical and quality control capabilities

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4️⃣ 7. Combi-Blocks

Headquarters: San Diego, California, USA
Key Offering: 2-Chlorothioxanthone (Research Grade, Building Block)

Combi-Blocks is a US-based supplier of chemical building blocks and screening compounds for drug discovery. The company offers 2-Chlorothioxanthone primarily to the research and development sector, supporting early-stage pharmaceutical and material science innovation.

Market Initiatives:

• Provision of small-scale quantities for R&D purposes
• Extensive catalog of related heterocyclic compounds
• Fast delivery and custom synthesis services

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3️⃣ 8. Haihang Industry Co., Ltd.

Headquarters: Jinan, Shandong, China
Key Offering: 2-Chlorothioxanthone (Industrial and Pharmaceutical Grades)

Haihang Industry is a diversified chemical supplier with a broad product portfolio. The company serves as a reliable source for 2-Chlorothioxanthone, connecting Chinese manufacturing with global demand through its robust export operations.

Market Initiatives:

• Multi-grade product offerings for different market segments
• Strong logistical capabilities for international shipping
• Competitive pricing strategy for volume buyers

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2️⃣ 9. Hangzhou Keying Chem Co., Ltd.

Headquarters: Hangzhou, Zhejiang, China
Key Offering: 2-Chlorothioxanthone, Custom Synthesis Services

Hangzhou Keying Chem is a specialist in fine chemicals and intermediates. The company has developed expertise in the synthesis of thioxanthone derivatives and offers 2-Chlorothioxanthone with a focus on purity and consistency for demanding applications.

Market Initiatives:

• Tailored solutions for specific customer requirements
• Agile manufacturing for small to medium batch sizes
• Technical support for application development

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1️⃣ 10. Shanghai UCHEM Inc.

Headquarters: Shanghai, China
Key Offering: 2-Chlorothioxanthone (High Purity), Pharmaceutical Intermediates

Shanghai UCHEM is a supplier of fine chemicals and pharmaceutical intermediates with a global customer base. The company provides high-quality 2-Chlorothioxanthone, emphasizing its role in the synthesis of advanced materials and active pharmaceutical ingredients.

Market Initiatives:

• Stringent quality assurance protocols
• Strategic focus on high-value pharmaceutical intermediates
• Responsive customer service and supply chain management

Get Full Report Here: 2-Chlorothioxanthone Market – View in Detailed Research Report

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🌍 Outlook: The Future of 2-Chlorothioxanthone is Driven by Specialization and Innovation

The 2-Chlorothioxanthone market is experiencing steady growth, fueled by its dual role in critical industries. While the pharmaceutical segment demands ever-higher purity levels, the polymer industry seeks efficient and effective photoinitiators for sustainable, low-VOC technologies.

📈 Key Trends Shaping the Market:

• Rising global prevalence of mental health disorders driving demand for chlorprothixene
• Shift towards UV-curable products in packaging, electronics, and automotive coatings
• Increasing R&D into novel thioxanthone derivatives for specialized applications
• Geographic expansion of production capacities, particularly in Asia

Get Full Report Here: 2-Chlorothioxanthone Market – View in Detailed Research Report

The companies listed above are not only supplying a critical chemical intermediate—they’re enabling advancements in healthcare and sustainable industrial technologies.