1,10-Phenanthroline (phen) is a heterocyclic organic compound. It is a white solid that is soluble in organic solvents. It is used as a ligand in coordination chemistry, forming strong complexes with most metal ions.
1,10-Phenanthroline is a heterocyclic organic compound, which forms complexes with metal ions. These complexes have wide applications in biochemistry, catalysis and analytical chemistry.It complexes with iron and is exploited as a redox indicator.