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

[ CAS No. ]:
85959-21-3

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

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