5-Nitro-1,10-phenanthroline CAS: 4199-88-6 is made through nitration ... and concentrated sulfuric acid at 160°-170°. 5-Nitro-1,10-phenanthroline is derivative of 1,10-phenanthroline with formula (C12H7N3O2), which shows light brown ... organic solvent. 5-Nitro-1,10-phenanthroline CAS: 4199-88-6 is also named as 1,10-Phenanthroline, 5-nitro- ; 5-Nitro-o-phenanthroline; 5-Nitro-1,10-diazaphenanthrene. It ...