Synonyms: Isocyanicacid, (2,4-dioxo-1,3-uretidinediyl)bis(methyl-m-phenylene) ester (8CI);1,3-Bis(3-isocyanatomethylphenyl)urete-2,4-dione; 2,4-TDI dimer;2,4-Toluenediisocyanate dimer; 2,4-Tolylene diisocyanate cyclic dimer;2,4-Tolylene diisocyanate dimer; TDI dimer; Tolylene diisocyanate dimer;m-Tolylene diisocyanate dimer