Synonyms: 2H-Naphtho[1,2-d]triazole-5-sulfonicacid,2,2'-[azobis[(2-sulfo-4,1-phenylene)-2,1-ethenediyl(3-sulfo-4,1-phenylene)]]bis-,hexasodium salt (9CI);C.I. Direct Yellow 106 (8CI);Celasol Yellow 4RL;Chlorantine Fast Yellow ARLL;Direct Yellow 106;Sirius Light Yellow 3R-LL;Sirius Supra Yellow 3R-LL;Solophenyl Yellow ARL;Solophenyl Yellow ARLE;Solophenyl Yellow AUF;Superlitefast Yellow EFC;