| Synonyms: | C.I.DIRECTBLUE80;Cuprate, [μ-[[4,4'-[(3,3'-dihydroxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[3-hydroxy-2,7-naphthalenedisulfonato]]]]di-, tetrasodium;Cuprate, [μ-[[4,4'-[[3,3'-di(hydroxy-κO)[1,1'-biphenyl]-4,4'-diyl]bis(azo-κN')]bis[3-(hydroxy-κO)-2,7-naphthalenedisulfonato]] ]]di-, tetrasodium;Direct blue 80 (C.I. 24315);Benzanil Supra Blue 2RLL;Chlorantine Fast Blue 2RLL;Intralite Fast Blue NBLL;Solophenyl Blue A 4RL |