disodium 4-[[2,4-dihydroxy-3-[(2-hydroxy-4-nitrophenyl)azo]-5-[(4-nitrophenyl)azo]phenyl]azo]-5-hydroxynaphthalene-2,7-disulphonate

[ CAS No. ]:
93939-98-1

[ Name ]:
disodium 4-[[2,4-dihydroxy-3-[(2-hydroxy-4-nitrophenyl)azo]-5-[(4-nitrophenyl)azo]phenyl]azo]-5-hydroxynaphthalene-2,7-disulphonate

[Synonym ]:
2,7-Naphthalenedisulfonic acid, 4-hydroxy-5-[2-[(3Z,5E)-5-[(2E)-2-(4-nitro-6-oxo-2,4-cyclohexadien-1-ylidene)hydrazinylidene]-3-[2-(4-nitrophenyl)hydrazinylidene]-4,6-dioxo-1-cyclohexen-1-yl]hydrazinyl]-, sodium salt (1:2)
Disodium 4-hydroxy-5-(2-{(3Z,5E)-5-[(2E)-(4-nitro-6-oxo-2,4-cyclohexadien-1-ylidene)hydrazono]-3-[(4-nitrophenyl)hydrazono]-4,6-dioxo-1-cyclohexen-1-yl}hydrazino)-2,7-naphthalenedisulfonate