4,4'-(Vinylenebis((3-sulpho-p-phenylene)imino(6-(bis(2-hydroxyethyl)amino)-1,3,5-triazine-4,2-diyl)imino))bis(benzene-1,3-disulphonic) acid, sodium salt compound with 2,2'-iminodiethanol 85154-02-5 EINECS 285-883-2