5-Amino-4-hydroxy-3-[[4'-[(2-hydroxy-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt

[ CAS No. ]:
6426-68-2

[ Name ]:
5-Amino-4-hydroxy-3-[[4'-[(2-hydroxy-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt

[Synonym ]:
2,7-Naphthalenedisulfonic acid, 5-amino-4-hydroxy-3-[(E)-2-[4'-[(E)-2-(2-hydroxy-1-naphthalenyl)diazenyl][1,1'-biphenyl]-4-yl]diazenyl]-, sodium salt (1:2)
Direct blue 19 (C.I. 22485)
Disodium 5-amino-4-hydroxy-3-[(E)-{4'-[(E)-(2-hydroxy-1-naphthyl)diazenyl]-4-biphenylyl}diazenyl]-2,7-naphthalenedisulfonate