<unk>  <unk>  is an aromatic<unk> . It is produced for reaction with polyols to form polyurethanes. It exists in two isomers, 2,4-TDI (CAS: 584-84-9) and 2,6-TDI (CAS: 91-08-7). 2,4-TDI is produced in the pure state, but<unk>  is often marketed as 80/20 and 65/35 mixtures of the 2,4 and 2,6 isomers respectively. It is a highly produced<unk> , accounting for 34.1% of the global isocyanate market in 2000, second only to MDI.
Toluene diisocyanate
Methylene diphenyl diisocyanate
Methyl isocyanate
Carbon suboxide
Dimethyl sulfide
Acrolein
Vinyl chloride
Cadmium oxide