Methylene diphenyl diisocyanate (MDI) is an aromatic diisocyanate. Three isomers are common, varying by the positions of the isocyanate groups around the rings: 2,2′-MDI, 2,4′-MDI, and 4,4′-MDI .

Owing to the European energy crisis and a global economy that continues to weaken, Covestro has decided to pause the investment project for its new world-scale MDI plant. This also means that the decision on the plant’s future location remains open until further notice.

Jul 19, 2022 · FLORHAM PARK, NJ and GEISMAR, LA – BASF is moving forward with the final phase of the expansion project for the methylene diphenyl diisocyanate (MDI) plant at its Verbund site in Geismar, Louisiana.

Jan 11, 2023 · BASF has broken ground on the third and final phase of the methylene diphenyl diisocyanate (MDI) expansion project at its Verbund site in Geismar, Louisiana, announced in July 2022.

Feb 18, 2025 · Dow and BASF have petitioned the U.S. Department of Commerce and the U.S. International Trade Commission (USITC) to impose anti-dumping duties on diphenylmethane diisocyanate (MDI) imported from China.

Oct 1, 2021 · Covestro has revived its plan to build a world-scale plant for methylene diphenyl diisocyanate (MDI), a polyurethane intermediate, in China or the US. Covestro had shelved the project, then planned for Texas, in early 2020. The firm now hopes to open the plant in 2026.

Sep 29, 2021 · Covestro announced on Tuesday that it will proceed with work on a world-scale methylene diphenyl diisocyanate (MDI) plant after suspending plans to build a unit in the US in early 2020.

Oct 4, 2021 · Covestro has revived its plan to build a world-scale plant for methylene diphenyl diisocyanate (MDI), a polyurethane intermediate, in China or the US. Covestro had shelved the project, then planned for Texas, in early 2020. The firm now hopes to open the plant in 2026.

Oct 15, 2018 · In its largest ever investment, Germany’s Covestro will spend $1.7 billion to build a new methylene diphenyl diisocyanate (MDI) plant in Baytown, Texas. Covestro, the former materials science division of Bayer, expects that the plant will come on-line with 500,000 metric tons of annual capacity by 2024.

Sep 9, 2019 · The Chinese polyurethane chemical maker Wanhua is scaling back and possibly changing the location of a $1.25 billion methylene diphenyl diisocyanate (MDI) plant it intends to build in the US.