The molecule is a phenanthroline that consists of 1,10-phenanthroline bearing two methyl groups at position 2 and 9 as well as two 4-sulfophenyl groups at positions 4 and 7. It has a role as a chelator. It is a member of phenanthrolines and an arenesulfonic acid. It derives from a hydride of a 1,10-phenanthroline.
4-[2,9-dimethyl-7-(4-sulfophenyl)-1,10-phenanthrolin-4-yl]benzenesulfonic acid