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Germany, the United States, and China are the leading exporters of Methylene diphenyl diisocyanate (MDI, CAS 101-68-8), collectively accounting for over 60% of global exports in 2023–2024; major importers include China, Turkey, and Mexico, with China serving both as top importer and significant domestic producer. Export volumes from Germany and the U.S. remained stable year-on-year, while Methylene diphenyl diisocyanate prices edged upward by ~4% in 2024 amid tightening supply chains and heightened raw material costs.
Methylene diphenyl diisocyanate (MDI) is a pale yellow to amber liquid or low-melting solid at room temperature, with limited volatility and a faint, characteristic odor. It is an aromatic diisocyanate and a key organic chemical intermediate in polyurethane synthesis. MDI is predominantly used as a crosslinking agent and monomer in the production of polyurethane foams, elastomers, adhesives, sealants, and coatings. Its primary application areas include flexible and rigid insulation foams for construction and refrigeration, automotive components, footwear, and industrial coatings—where it provides enhanced mechanical strength, thermal stability, and chemical resistance.
Diphenylmethane-4,4-diisocyanate (MDI)is widely used in the production ofrigid urethane foam products, coatings, andelastomers..
white to light yellow flakes or crystals
This chemical is included in Fine Chemicals. See more about what is Methylene diphenyl diisocyanate and Methylene diphenyl diisocyanate SDS information.
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