Synonyms: Procion Brilliant Red 5BS;Brilliant Red 5SKH; Reactive Brilliant Red 5SKH; Procion Brilliant Red M 5B;(3Z)-5-[(4,6-dichloro-1,3, 5-triazin-2-yl)amino]-4-oxo-3-(phenylhydrazinylidene)naphthalene-2, 7-disulfonate; Chemictive Brilliant Red 5B;disodium;