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2,7-Naphthalenedisulfonicacid,4-amino-3-[2-[4-[[4-[2-(4-amino-2-hydroxyphenyl)diazenyl]benzoyl]amino]phenyl]diazenyl]-5-hydroxy-6-(2-phenyldiazenyl)- (116897-98-4)

Identification
Name:2,7-Naphthalenedisulfonicacid,4-amino-3-[2-[4-[[4-[2-(4-amino-2-hydroxyphenyl)diazenyl]benzoyl]amino]phenyl]diazenyl]-5-hydroxy-6-(2-phenyldiazenyl)-
Synonyms:2,7-Naphthalenedisulfonicacid,4-amino-3-[[4-[[4-[(4-amino-2-hydroxyphenyl)azo]benzoyl]amino]phenyl]azo]-5-hydroxy-6-(phenylazo)-(9CI); Direct Black GB-NB
CAS:116897-98-4
Molecular Formula: C35H27 N9 O9 S2
Molecular Weight: 781.83
InChI: InChI=1/C35H27N9O9S2/c36-21-8-15-26(27(45)18-21)42-39-24-9-6-19(7-10-24)35(47)38-22-11-13-25(14-12-22)41-43-32-28(54(48,49)50)16-20-17-29(55(51,52)53)33(34(46)30(20)31(32)37)44-40-23-4-2-1-3-5-23/h1-18,39-40H,36-37H2,(H,38,47)(H,48,49,50)(H,51,52,53)/b42-26-,43-41+,44-33+
Molecular Structure: (C35H27N9O9S2) 2,7-Naphthalenedisulfonicacid,4-amino-3-[[4-[[4-[(4-amino-2-hydroxyphenyl)azo]benzoyl]amino]phenyl]a...
Properties
Density:1.641g/cm3
Refractive index:1.768
Specification:

 Direct Black GB NB (CAS NO.116897-98-4) is also named as 2,7-Naphthalenedisulfonic acid, 4-amino-3-((4-((4-((4-amino-2-hydroxyphenyl)azo)benzoyl)amino)phenyl)azo)-5-hydroxy-6-(phenylazo)- .

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