The molecule is a member of the class of phenanthrolines that is 4,7-diphenyl-1,10-phenanthroline carrying two additional sulfo substituents at positions 4' and 4'' It has a role as an iron chelator. It is a member of phenanthrolines and an arenesulfonic acid. It derives from a hydride of a 4,7-diphenyl-1,10-phenanthroline.
4-[7-(4-sulfophenyl)-1,10-phenanthrolin-4-yl]benzenesulfonic acid