Synonyms: Benzenesulfonicacid, 3,3',3''-phosphinidynetris-, trisodium salt (9CI);3,3',3''-Phosphinidynetris[benzenesulfonicacid] trisodium salt;TPPTS;Triphenylphosphine-m-trisulfonic acid trisodiumsalt;Tris(3-sulfophenyl)phosphine trisodium salt;Tris(m-sulfophenyl)phosphinetrisodium salt;Trisodium tris(3-sulfonatophenyl)phosphine;Trisodiumtris(m-sulfonatophenyl)phosphine;Trisodium tris(m-sulfophenyl)phosphine;Tri(m-sulfophenyl)phosphine, sodium salt;