<unk>  <unk>  or Dinitro is an organic compound with the formula CH3C6H3)(NO2)2. This pale yellow crystalline solid is well known as a precursor to trinitrotoluene (TNT) but is mainly produced as a precursor to toluene diisocyanate.
2,4-Dinitrotoluene
Coal tar
Methylene diphenyl diisocyanate
Toluene
Toluene diisocyanate
Vinyl chloride
Trichloroethylene
Acrolein