Top 10 Companies in the 1,2,4,5‑Benzenetetracarboxylic Anhydride (CAS 89‑32‑7) Market (2026): Market Leaders Powering Global Advanced Materials

MARKET INSIGHTS

Global 1,2,4,5‑Benzenetetracarboxylic anhydride (CAS 89‑32‑7) market was valued at USD 320.4 million in 2025. The industry is expected to reach USD 541.2 million by 2034, reflecting a steady upward trajectory driven by expanding demand for high‑performance polyimide resins and epoxy curing agents.

1,2,4,5‑Benzenetetracarboxylic anhydride, commonly known as pyromellitic dianhydride (PMDA), is produced by oxidising durene (1,2,4,5‑tetramethylbenzene). It is a key intermediate for the synthesis of polyimide resins, epoxy curing agents, and plasticisers, offering outstanding thermal stability, mechanical strength and electrical insulation that underpin advanced electronic, aerospace and automotive applications.

Key producers include Lonza Group, Dalian Richfortune Chemicals Co., Ltd., and Jiangsu Hengsheng Chemical Co., Ltd. each maintaining significant production capacities to meet growing global demand.

1,2,4,5‑Benzenetetracarboxylic Anhydride (CAS 89‑32‑7) Market – View in Detailed Research Report

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Top 10 Companies in the 1,2,4,5‑Benzenetetracarboxylic Anhydride (CAS 89‑32‑7) Market (2026)

1️⃣ Ube Corporation

Headquarters: Tokyo, Japan
Key Offering: High‑purity PMDA for polyimide film manufacturing and aerospace composites

Ube has long leveraged its integrated aromatic chemical platform to deliver PMDA with strict impurity limits, meeting the demanding specifications of advanced polyimide applications. The company’s focus on continuous process optimisation has enabled high yield and consistent quality, positioning it as a preferred supplier for premium aerospace and semiconductor customers.

Sustainability Initiatives:

• Investment in low‑energy catalytic oxidation processes to reduce CO₂ emissions.
• Implementation of closed‑loop water recycling in production facilities.
• Collaboration with aerospace partners on lightweight composite development.

2️⃣ Sinopec Group (China Petrochemical Corporation)

Headquarters: Beijing, China
Key Offering: Bulk PMDA for polyimide resin and epoxy curing agent production

Sinopec’s extensive refining network supplies durene at competitive prices, enabling large‑scale PMDA production. The company’s strategic investments in plant capacity expansion support domestic polyimide manufacturers, strengthening the supply chain for electronics and automotive sectors.

Sustainability Initiatives:

• Adoption of advanced VOC capture technologies.
• Optimization of energy mix with increased natural gas utilisation.
• Participation in China’s chemical safety and environmental compliance programmes.

3️⃣ Lonza Group

Headquarters: Basel, Switzerland
Key Offering: Specialty PMDA grades for research and high‑purity applications

Lonza’s fine‑chemical division focuses on delivering PMDA with ultra‑low impurity thresholds, catering to the research and high‑performance polyimide market. Its global network of laboratories supports rapid technical support and product development for advanced materials.

Sustainability Initiatives:

• Carbon‑neutral production targets across all facilities.
• Investment in renewable energy sources for plant operations.
• Development of biodegradable polymer alternatives.

4️⃣ Allnex (Cytec Industries legacy operations)

Headquarters: Brussels, Belgium / Houston, USA
Key Offering: PMDA for specialty epoxy systems and high‑temperature coatings

Allnex provides PMDA tailored for high‑performance epoxy formulations, enhancing heat deflection and dielectric properties for electrical encapsulation and printed circuit board laminates.

Sustainability Initiatives:

• Implementation of green chemistry principles in synthesis routes.
• Reduction of hazardous waste streams through process optimisation.
• Collaboration with customers on low‑VOC coating solutions.

5️⃣ Dalian Richfortune Chemicals Co., Ltd.

Headquarters: Dalian, China
Key Offering: Industrial‑grade PMDA for polyimide resin and epoxy curing agent markets

The company operates a modern catalytic oxidation plant, providing a reliable supply of PMDA to domestic polyimide manufacturers and supporting the growth of China’s electronics industry.

Sustainability Initiatives:

• Energy efficiency upgrades to lower per‑tonne production cost.
• Water‑recycling programmes to minimise consumption.
• Engagement with local communities on environmental stewardship.

6️⃣ Shanghai Unitechem Co., Ltd.

Headquarters: Shanghai, China
Key Offering: Bulk PMDA for polyimide film and epoxy resin production

Shanghai Unitechem’s integrated facilities allow for streamlined supply of PMDA to the rapidly expanding Chinese polyimide market, supporting both domestic demand and export opportunities.

Sustainability Initiatives:

• Adoption of waste‑heat recovery systems.
• Implementation of digital monitoring for process control.
• Compliance with international chemical safety standards.

7️⃣ Alpha Chemika

Headquarters: Bangalore, India
Key Offering: Emerging PMDA production for regional polyimide and epoxy markets

Alpha Chemika is scaling up production to meet the growing demand for high‑performance polymers in India’s expanding electronics and automotive sectors.

Sustainability Initiatives:

• Use of renewable electricity in manufacturing.
• Partnerships with local suppliers to reduce carbon footprint.
• Development of eco‑friendly packaging solutions.

8️⃣ Jiangsu Hengxiang Chemical Co., Ltd.

Headquarters: Nanjing, China
Key Offering: Industrial‑grade PMDA for polyimide resin and epoxy curing applications

The company’s state‑of‑the‑art plant delivers consistent PMDA quality, supporting the Chinese polyimide film market and the broader electronics supply chain.

Sustainability Initiatives:

• Implementation of advanced waste‑water treatment facilities.
• Energy optimisation through process integration.
• Support for local environmental education programmes.

9️⃣ DuPont

Headquarters: Wilmington, USA
Key Offering: Specialty PMDA for high‑performance polymer systems and aerospace composites

DuPont’s focus on innovation delivers PMDA grades that meet stringent aerospace and semiconductor specifications, reinforcing its position as a trusted supplier.

Sustainability Initiatives:

• Commitment to 100 % renewable electricity in manufacturing.
• Investment in low‑emission catalytic processes.
• Collaboration with aerospace partners on lightweight composite research.

🔟 Kaneka Corporation

Headquarters: Tokyo, Japan
Key Offering: Ultra‑purity PMDA for semiconductor and flexible electronics applications

Kaneka’s precision‑controlled synthesis yields PMDA with minimal ionic contamination, essential for advanced polyimide films used in flexible printed circuits.

Sustainability Initiatives:

• Reduction of process‑related waste through continuous improvement.
• Use of high‑efficiency heat recovery systems.
• Active participation in industry sustainability forums.

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Outlook

The market is poised to benefit from continued investment in flexible electronics, electric vehicle battery systems and aerospace lightweight composites. Demand for high‑purity PMDA is expected to rise as semiconductor manufacturers push for tighter thermal and dielectric performance in next‑generation packaging. The strategic diversification of supply chains, particularly in North America and Europe, is likely to create new opportunities for manufacturers willing to invest in localized production and advanced process technologies.

Future Trends

Emerging applications in proton exchange membranes for hydrogen fuel cells and in solid‑state battery separators are creating new demand vectors for PMDA. The push toward greener manufacturing processes—such as catalytic oxidation using renewable feedstocks and low‑energy conversion—will shape the competitive landscape. Companies that can combine high‑purity product offerings with robust sustainability credentials are expected to capture the premium segment of the market.