Black TBRN
Direct Black 154
Sumilight Black XA
Direct Deep Black XA
Kayarus Direct Deep Black XA
C.I.Direct Black 154:C.I.303865
4-amino-3-[[4-[4-[(2,4-diaminophenyl)diazenyl]-3-methylphenyl]-2-methylphenyl]diazenyl]-5-hydroxy-6-phenyldiazenylnaphthalene-2,7-disulfonate
Disodium (3Z)-5-amino-6-[(E)-{4'-[(E)-(2,4-diaminophenyl)diazenyl ]-3,3'-dimethyl-4-biphenylyl}diazenyl]-4-oxo-3-(phenylhydrazono)- 3,4-dihydro-2,7-naphthalenedisulfonate
3,3′-Dimethylbenzidine double nitriding, first and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?coupling, again with diazo of aniline coupling, finally and Benzene-1,3-diamine (a few phenol) coupled.
