Fluorescent Brightener 220, Technical Grade

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-sulfophenylamino)-s-triazin-6-ylamino]stilbine-2,2'-disulfonate

OCCN(C1=NC(NC2=CC=C(S(=O)(O[Na])=O)C=C2)=NC(NC3=C(S(=O)(O[Na])=O)C=C(/C=C/C4=CC(S(=O)(O[Na])=O)=C(NC5=NC(NC6=CC=C(S(=O)(O[Na])=O)C=C6)=NC(N(CCO)CCO)=N5)C=C4)C=C3)=N1)CCO