The Global 4,4-Biphenol Market was valued at USD 196.28 million in 2023 and is projected to reach USD 260.04 million by 2029, exhibiting a Compound Annual Growth Rate (CAGR) of 4.80% during the forecast period. This sustained growth is propelled by escalating demand from the high-performance polymer sector, particularly for Liquid Crystalline Polymers (LCP), and the expansion of the electronics and automotive industries across Asia-Pacific.

4,4-Biphenol is a critical organic intermediate, a white crystalline powder that serves as a foundational building block for a range of advanced thermoplastics. As global industries pivot towards materials that offer superior heat resistance, mechanical strength, and dimensional stability, the manufacturers producing this essential chemical are experiencing unprecedented demand. In this blog, we profile the Top 10 Companies in the 4,4-Biphenol Industry—a group of specialized chemical producers and global giants shaping the supply chain for next-generation polymers.

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🔟 1. SI Group

Headquarters: Schenectady, New York, USA
Key Offering: High-Purity 4,4′-Biphenol

SI Group is a leading global developer and manufacturer of performance additives, process solutions, and chemical intermediates. Their high-purity 4,4′-Biphenol is a key product line, supplied to manufacturers of LCPs, polyesters, and polycarbonates worldwide. The company’s strong R&D focus ensures consistent quality for demanding applications.

Strategic Focus:

• Investment in production capacity expansion

• Focus on high-value, specialty intermediates

• Global supply chain reliability for key polymer producers

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9️⃣ 2. Honshu Chemical Industry

Headquarters: Tokyo, Japan
Key Offering: 4,4′-Dihydroxybiphenol (4,4-Biphenol)

Honshu Chemical Industry is a prominent Japanese chemical company with a long history of producing fine chemicals and intermediates. It is a significant supplier of 4,4-Biphenol in the Asia-Pacific region, catering to the robust local electronics and automotive industries that consume large volumes of LCPs.

Strategic Focus:

• Serving the high-growth Asian LCP market

• Strong technical support for customers

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8️⃣ 3. Songwon Industrial

Headquarters: Ulsan, South Korea
Key Offering: 4,4′-Biphenol for Polymer Synthesis

Songwon Industrial is the second-largest global supplier of polymer stabilizers and a major producer of specialty chemicals. Their production of 4,4-Biphenol supports their broader portfolio of solutions for the plastics industry, providing a critical raw material for high-temperature polymers used in connectors and miniaturized components.

Strategic Focus:

• Vertical integration within the polymer additive value chain

• Emphasis on product consistency and purity

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7️⃣ 4. Lengshuijiang Huafei Pharmaceutical

Headquarters: Lengshuijiang, Hunan, China
Key Offering: 4,4-Biphenol (Industrial and Pharmaceutical Grades)

While primarily known as a pharmaceutical company, Lengshuijiang Huafei Pharmaceutical has substantial capabilities in fine chemical synthesis, including the production of 4,4-Biphenol. This diversification allows them to leverage chemical processes across different end-markets, serving both polymer and specialty chemical clients.

Strategic Focus:

• Leveraging pharmaceutical-grade manufacturing standards for industrial chemicals

• Cost-competitive production within China

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6️⃣ 5. Jinan Great Chemical

Headquarters: Jinan, Shandong, China
Key Offering: 4,4′-Biphenol and other biphenyl derivatives

Jinan Great Chemical is a specialized Chinese manufacturer focused on aromatic compounds and intermediates. The company is a key domestic supplier of 4,4-Biphenol, contributing significantly to China’s growing self-sufficiency in raw materials for its massive polymer production industry.

Strategic Focus:

• Catering to the domestic Chinese market for engineering plastics

• Expanding production capacity to meet local demand

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5️⃣ 6. Wujiang New Sunlion Chemical

Headquarters: Suzhou, Jiangsu, China
Key Offering: 4,4-Biphenol, Bisphenol AF

Wujiang New Sunlion Chemical is another important Chinese player in the fine chemicals sector, with a product range that includes various biphenol derivatives. Their strategic location in Jiangsu, a major chemical industry hub, provides logistical advantages for supplying regional polymer manufacturers.

Strategic Focus:

• Specialization in fluorine-containing and other specialty bisphenols

• Strong regional supply chain presence

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4️⃣ 7. Ruiyuan Group

Headquarters: Nantong, Jiangsu, China
Key Offering: 4,4′-Biphenol and Polymer Additives

Ruiyuan Group is a comprehensive chemical enterprise involved in the production of fine chemicals, pharmaceutical intermediates, and polymer additives. Their production of 4,4-Biphenol supports the advanced materials sector, particularly for applications requiring high thermal stability.

Strategic Focus:

• Integrated production from raw materials to advanced intermediates

• Focus on environmentally friendly production processes

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3️⃣ 8. Other Notable Specialized Producers

Headquarters: Various Global Locations
Key Offering: Niche and Custom 4,4-Biphenol Grades

Beyond the major listed players, several other specialized chemical companies and smaller manufacturers contribute to the global 4,4-Biphenol supply. These firms often focus on specific purity grades, custom synthesis, or regional markets, ensuring a diverse and resilient supply chain for this critical intermediate.

Strategic Focus:

• Niche market penetration

• Flexible and custom manufacturing capabilities

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2️⃣ 9. Major Chemical Conglomerates (Diversified Production)

Headquarters: Global
Key Offering: 4,4-Biphenol as part of a broad portfolio

Several large, multinational chemical corporations have the capability to produce 4,4-Biphenol, either for captive use in their own downstream polymer divisions or for sale on the merchant market. Their involvement brings significant scale and technical expertise, though they may not always be the primary branded suppliers.

Strategic Focus:

• Vertical integration for internal consumption

• Supplying the market during periods of tight supply

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1️⃣ 10. Regional Distributors and Traders

Headquarters: Global
Key Offering: Sourcing and Logistics for 4,4-Biphenol

A network of chemical distributors and traders plays a crucial role in the 4,4-Biphenol market, especially for smaller volume buyers or those requiring just-in-time delivery. These entities ensure that the chemical reaches a wide array of end-users, from large polymer plants to specialized research and development facilities.

Strategic Focus:

• Providing logistical and sourcing solutions

• Serving small to medium-sized enterprises (SMEs)

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🌍 Outlook: The Future of 4,4-Biphenol is Tied to High-Performance Materials

The 4,4-Biphenol market is intrinsically linked to the growth of high-temperature engineering plastics. While it is a mature product, its demand trajectory is being reshaped by the relentless advancement of technology, particularly in electronics and lightweight automotive components.

📈 Key Trends Shaping the Market:

• Electronics Miniaturization: The drive for smaller, more powerful electronic devices fuels demand for LCPs, the largest application segment for 4,4-Biphenol.

• Automotive Electrification: The transition to electric vehicles (EVs) increases the need for heat-resistant components in batteries and connectors, benefiting LCP and polysulfone demand.

• Geographical Shift: Production and consumption are increasingly concentrated in the Asia-Pacific region, led by China, due to its dominance in electronics manufacturing.

• Supply Chain Consolidation: Strategic partnerships and capacity expansions among key producers to ensure a stable supply for major polymer manufacturers.

The companies listed above are not only supplying a critical chemical intermediate—they are enabling the innovation cycle for the advanced materials that define modern technology.

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Global 4,4-Biphenol Market – View in Detailed Research Report