Synonyms:
4,5-bis(4-sodiosulfophenyl)-1h-imidazol-2(3h)-one ; c.i.fluorescent brightener 48 ; 4,4'-(2-oxo-2,3-dihydro-1h-imidazole-4,5-diyl)bis(benzenesulfonic acid sodium) salt ; ultraphor wt ; blancol tw ; disodium p,p'-(2,3-dihydro-2-oxo-1h-imidazole-4,5-diyl)bis(benzenesulphonate) ; c.i.40640