Similar names: 4,4'-Bis(o-sulfostyryl)biphenyl Disodium; Benzenesulfonic acid, 2,2'-(4,4'-biphenylylenedivinylene)di-, disodium salt (8CI); Benzenesulfonic acid, 2,2'-([1,1'-biphenyl]-4,4'-diyldi-2,1-ethenediyl)bis-, disodium salt (9CI); 4,4'-Bis(2-sodiosulfostyryl)biphenyl; 4,4'-Bis(2-sulfostyryl)biphenyl disodium salt; 4,4'-Bis(o-sulfostyryl)biphenyl disodium salt; Benetex OB-M 1; Brightener BR 49; Brightener CBS-X; CBS-X; CF 351; Calcofluor CG; DSBP; Disodium 2,2'-(4,4'-biphenyldiyldi-2,1-ethenediyl)dibenzenesulfonate; Disodium 2,2'-([1,1'-biphenyl]-4,4'-diyldivinylene)bis(benzenesulfonate); Disodium 4,4'-bis(2-sulfostyryl)biphenyl; Disodium 4',4''-bi[stilbene-2,2'''-disulfonate]; FWA-CBS-X; Keyfluor CBS-X; Keyfluor White CBS-X; OB-M 1; Optical Brightener CBS-X; Stilbene 3; Stilbene 420; Stilbene S-420; Tinopal CBS; Tinopal CBS-X; Tinopal CBS-X 44; Tinopal CBX; Tinopal NFW; Tinopal NFW Liq; Tinopal SK; Uvitex CBS-X; Uvitex NFW; Benzenesulfonic acid, 2,2'-([1,1'-biphenyl]-4,4'-diyldi-2,1-ethenediyl)bis-, sodium salt (1:2)