DIRECT BLACK 4

2,7-Naphthalenedisulfonic acid, 4-amino-3-((4′-((2,4-diamino-5-methylphenyl)azo)(1,1′-biphenyl)-4-yl)azo)-5-hydroxy-6-(phenylazo)-, disodium salt

2,7-Naphthalenedisulfonic acid, 4-amino-3-[(E)-2-[4′-[(E)-2-(2,4-diamino-5-methylphenyl)diazenyl][1,1′-biphenyl]-4-yl]diazenyl]-5-hydroxy-6-[(E)-2-phenyldiazenyl]-, sodium salt (1:2)

2429-83-6

4-Amino-3-[(E)-{4′-[(E)-(2,4-diamino-5-méthylphényl)diazényl]-4-biphénylyl}diazényl]-5-hydroxy-6-[(E)-phényldiazényl]-2,7-naphtalènedisulfonate de disodium

Chlorazol Black LF

Dinatrium-4-amino-3-[(E)-{4′-[(E)-(2,4-diamino-5-methylphenyl)diazenyl]-4-biphenylyl}diazenyl]-5-hydroxy-6-[(E)-phenyldiazenyl]-2,7-naphthalindisulfonat

DIRECT BLACK 4

Disodium 4-amino-3-((4′-((2,4-diamino-5-methylphenyl)azo)(1,1′-biphenyl)-4-yl)azo)-5-hydroxy-6-(phenylazo)naphthalene-2,7-disulphonate

Disodium 4-amino-3-[(E)-{4′-[(E)-(2,4-diamino-5-methylphenyl)diazenyl]-4-biphenylyl}diazenyl]-5-hydroxy-6-[(E)-phenyldiazenyl]-2,7-naphthalenedisulfonate

C.I. Direct Black 4, disodium salt

disodium 4-amino-3-((E)-(4′-((E)-(2,4-diamino-5-methylphenyl)diazenyl)-1,1′-biphenyl-4-yl)diazenyl)-5-hydroxy-6-((E)-phenyldiazenyl)naphthalene-2,7-disulfonate