Fluorescent Brightener 220

Synonyms: Benzenesulfonic acid, 2,​2'-​(1,​2-​ethenediyl)​bis[5-​[[4-​[bis(2-​hydroxyethyl)​amino]​-​6-​[(4-​sulfophenyl)​amino]​-​1,​3,​5-​triazin-​2-​yl]​amino]​-​, sodium salt (1:4), 2,2’-Stilbenedisulfonic acid, 4,4'-bis[[4-[bis(2-hydroxyethyl)amino]-6-(p-sulfoanilino)-s-triazin-2-yl]amino]-, tetrasodium salt (7CI,8CI), Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-[[4-[bis(2-hydroxyethyl)amino]-6-[(4-sulfophenyl)amino]-1,3,5-triazin-2-yl]amino]-, tetrasodium salt (9CI), BLB, Belofor OB, Blancofor BBU, Blankophor BBU, Blankophor P/BBU, Blankophor Z-JPN, C.I. 40623, C.I. Fluorescent Brightener 220, Kahablanc APU, Keyfluor White CN, Leucophor U, Photine CPK, SCRI Renaissance 2200, Sandoz CD, Tetrasodium 4,4'-bis[2-di(β-hydroxyethyl)amino-4-(4-s