Synonyms: 2,2'-Stilbenedisulfonicacid,4,4'-bis[[4-[bis(2-hydroxyethyl)amino]-6-(m-sulfoanilino)-s-triazin-2-yl]amino]-,tetrasodium salt (7CI); Benzenesulfonic acid,2,2'-(1,2-ethenediyl)bis[5-[[4-[bis(2-hydroxyethyl)amino]-6-[(3-sulfophenyl)amino]-1,3,5-triazin-2-yl]amino]-,tetrasodium salt (9CI); C.I. Fluorescent Brightening Agent 24 (8CI);4,4'-Bis[4-(3-sulfoanilino)-6-[bis(2-hydroxyethyl)amino]-1,3,5-triazin-2-yl]aminostilbene-2,2'-disulfonicacid tetrasodium salt; Belofor STsD; Belofor TsBV; C.I. Fluorescent Brightener24; Heliofor P; Kayaphor BSN; Kayaphor SN; Mikephor BN; Ranipal 2B; Tinopal 2B;Tinopal 2BF; Ultrawhite 2B; Uvitex 2B; Whitex BB; Whitex BB conc.