The global maleic anhydride market was valued at USD 4.8 billion in 2025 and is expected to reach USD 6.5 billion by 2033, expanding from USD 5.0 billion in 2026 at a CAGR of 4.0% during 2026–2033. Asia Pacific led the market in 2025, representing 52.8% of global revenue. Market expansion is primarily supported by rising consumption of unsaturated polyester resins (UPR), which are widely used to manufacture fiberglass-reinforced materials.

Key Market Trends & Insights

• Application leadership: Unsaturated polyester resins (UPR) represented the largest application segment, accounting for 50.2% of market revenue in 2025.
• Regional leadership: Asia Pacific was the dominant regional market with a 52.8% revenue share in 2025.
• Fastest regional growth: Middle East & Africa is anticipated to register the highest CAGR from 2026 to 2033.
• Country leadership: China held the largest country-level market share in 2025.

Market Size & Forecast

• 2025: USD 4.8 billion
• 2026: USD 5.0 billion
• 2033: USD 6.5 billion
• CAGR, 2026–2033: 4.0%

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What Is Driving the Maleic Anhydride Market?

Demand for maleic anhydride is increasing across construction, automotive, marine, electronics, and chemical manufacturing. The compound is an important intermediate for producing unsaturated polyester resins, 1,4-butanediol (BDO), lubricant additives, agricultural chemicals, specialty polymers, copolymers, alkyd resins, and fumaric acid. The expanding use of lightweight composite materials is particularly important for market development. Maleic anhydride-derived UPR is used in construction panels, automotive components, marine vessels, wind turbine blades, electrical equipment, sinks, countertops, tubs, and other corrosion-resistant products.

Growth Driver: Increasing Demand for Unsaturated Polyester Resins

The growing consumption of unsaturated polyester resins is a major contributor to maleic anhydride demand. UPR combines durability, corrosion resistance, and lightweight characteristics, making it suitable for infrastructure, transportation, renewable energy, and industrial applications. Increasing urbanization and infrastructure investment are supporting demand for composite construction materials, while automotive lightweighting and renewable energy projects are creating additional opportunities for fiberglass-reinforced resin applications.

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Market Restraint

Stringent environmental regulations and volatility in feedstock prices remain important challenges for maleic anhydride manufacturers. Producers must manage changing environmental requirements while controlling raw-material costs and maintaining reliable supply chains.

Emerging Opportunity: Bio-Based Maleic Anhydride

The transition toward sustainable chemical production is creating opportunities for bio-based maleic anhydride and other lower-impact production technologies. Manufacturers are increasingly evaluating renewable feedstocks, sustainable production processes, and new applications to address environmental expectations and expand their market presence.

Regional Market Insights

Asia Pacific accounted for 52.8% of global maleic anhydride revenue in 2025, making it the largest regional market. China held the leading country-level position, supported by its broad industrial manufacturing base and demand from construction, automotive, chemical, and composite-material applications. North America also represents an important consumption center. The U.S. accounted for 82.9% of North American revenue in 2023. Demand is supported by the country's agricultural, automotive, construction, and industrial sectors. U.S. construction activity provides an important downstream demand base for maleic anhydride-derived materials. Total U.S. construction spending reached approximately USD 1.98 trillion in 2023, representing a 7.4% increase from the previous year. Nonresidential construction increased 17.6% year over year, while residential construction spending declined 3%.

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Competitive Landscape

The maleic anhydride industry features a competitive mix of large-scale manufacturers, independent producers, and suppliers. Companies are pursuing acquisitions, capacity expansion, strategic partnerships, and other initiatives to strengthen their market positions and respond to growing downstream demand. A notable development occurred in 2023, when PETRONAS Chemicals Group Berhad announced the acquisition of a 113 kilotonnes-per-annum maleic anhydride plant in Gebeng, Kuantan, from BASF PETRONAS Chemicals Sdn. Bhd. The transaction illustrates the strategic importance of production capacity and geographic positioning within the industry.

Industry Outlook

The maleic anhydride market is expected to maintain steady growth through 2033 as demand from construction, automotive, marine, electronics, renewable energy, and chemical applications expands. UPR is expected to remain the largest application area because of its extensive use in lightweight, durable, and corrosion-resistant composite products. At the same time, manufacturers will need to respond to environmental regulations, feedstock-price fluctuations, and evolving sustainability requirements. Bio-based production technologies, supply-chain optimization, capacity expansion, and entry into underpenetrated markets are likely to remain important strategic priorities.

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Key Maleic Anhydride Companies

• Cepsa
• INEOS
• Huntsman International LLC
• Lanxess A.G.
• Mitsubishi Chemical Corporation
• MOL Hungarian Oil & Gas Plc
• Nippon Shokubai Co., Ltd.
• Polynt Group
• Thirumalai Chemicals Ltd.

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