Maleic anhydride

EC 203-571-6

Maleic anhydride projects

chemXplore tracks 6 projects producing maleic anhydride, of which 2 are active.

2 Under Construction

1 new construction and 1 expansion.

Expected to start operating
2026
none
2027
1 project
2028
none
2029
none
2030
none
2031
none

1 of the active projects carry no start-up date yet.

What moved recently
  • September 2026 MOL Százhalombatta Maleic Anhydride Expansion, Danube Refinery · Under Construction · Hungary
  • 16 January 2026 Rongsheng Jintang New Materials Project, Zhoushan · Under Construction · China

Owners and developers: MOL Petrochemicals (1), Rongsheng New Materials (Zhoushan) Co., Ltd. (1), Rongsheng Petrochemical Co., Ltd. (1)

Investors: SABIC (1)

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Latest news on maleic anhydride

27 September 2026
MOL Group Chemicals doubles maleic anhydride capacity at Százhalombatta

New unit at Danube Refinery will double maleic anhydride output and is due online in H2 2027, aiming to strengthen European supply security and improve energy efficiency.

16 July 2026
SABIC and Rongsheng sign PDA for Jintang New Materials project in Zhoushan

Evaluating up to 50% stake in Zhoushan advanced-materials project; PDA sets framework toward a potential FID and joint development.

6 November 2025
Huntsman Q3 2025 Earnings Report

Q3 2025 saw a net loss of $25M, adjusted EBITDA of $94M, and free cash flow of $157M. Dividend cut by 65% to $0.35 annually. Restructuring aims for $100M savings by 2026.

24 September 2025
Clariant's SynDane Catalyst Hits Milestones at Wanhua Plant

SynDane 3142 LA catalyst boosts yield, cuts byproducts and energy use, enhancing efficiency and sustainability at Wanhua's maleic anhydride plant.

17 September 2019
Polynt-Reichhold to Install New Maleic Anhydride Reactor in Ravenna

A new 60 ktpa Maleic Anhydride reactor will be installed in Ravenna by 2021, manufactured by Walter Tosto Spa, to support growing composites production.

13 December 2016
Polynt Group Expands Malic Acid Capacity by 8000 T/Y in Ravenna

The new plant will be operational by end of 2016, increasing total capacity to 22,000 T/Y. Malic Acid demand is driven by food, beverage, confectionery, and technical applications.

1 July 2006
Gikil Maleic Anhydride Plant Upgrade

Originally designed in 1979, the plant switched from benzene to N-butane in 2006 for environmental and financial reasons, producing 9,600 tonnes of crude Maleic Anhydride in the first year.

1 January 1991
Ruse Chemicals Anhydride Plant, Bulgaria

The plant, licensed by BASF, produces 22,000 metric tons of Phthalic anhydride and 700 metric tons of Maleic anhydride annually, selling mainly to Turkey, Romania, Bulgaria, Germany, Italy, Greece, and Ukraine.

Maleic anhydride plants by country

chemXplore tracks 8 plants producing maleic anhydride in 6 countries.

plants

The 4 with the most plants, of 6 countries.

Maleic anhydride producers

plants

The 3 with the most plants, of 7 producers.

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