Synonyms: 2,2'-Stilbenedisulfonicacid,4,4'-bis[[4-[(2-hydroxyethyl)amino]-6-(m-sulfoanilino)-s-triazin-2-yl]amino]-,tetrasodium salt (8CI);Benzenesulfonic acid,2,2'-(1,2-ethenediyl)bis[5-[[4-[(2-hydroxyethyl)amino]-6-[(3-sulfophenyl)amino]-1,3,5-triazin-2-yl]amino]-,tetrasodium salt (9CI);BLT;BLT (brightener);C.I. 406233;C.I. FluorescentBrightener 114;C.I. Fluorescent BrighteningAgent 114;Fluorescent Brightener 114;Fluorescent Brightener 251;Heliofor CAF;Heliofor CAS;Phorwite BBU;Tinopal 2BT;Ultraphor GPB;Uvitex2BT;Wobital BBK;