How is nitric oxide used?
Uses other than for making ammonium nitrate
Nitric acid can be used as a reactant to nitrate toluene, either fully to trinitrotoluene (TNT) or partially to dinitrotoluenes, which are then further reacted with phosgene to form toluene diisocyanate (TDI):
Source: Chenier P. 1992. Survey of Industrial Chemistry, 2nd edition. VCH Publishers, New York, NY, p. 229.
(Note: source has © on the figure)