Acid Dyes

Disodium;4-Amino-3-[[4-[[4-[(2,4-Diaminophenyl)Diazenyl]Phenyl]Sulfonylamino]Phenyl]Diazenyl]-5-Hydroxy-6-Phenyldiazenylnaphthalene-2,7-Disulfonate; 2,7-Naphthalenedisulfonic acid, 4-Amino-3-[[4-[[[4-[(2,4-Diaminophenyl)azo]Phenyl]Sulfonyl]Amino]Phenyl]azo]-5-Hydroxy-6-(Phenylazo)-, Disodium salt; C.I. Acid Black 234; Sodium,(6Z)-4-Amino-3-[[4-[[4-[(2,4-Diaminophenyl)Diazenyl]Phenyl]Sulfonylamino]Phenyl]Diazenyl]-5-oxo-6-(Phenylhydrazinylidene)Naphthalene-2,7-Disulfonate; Disodium 4-Amino-3-[(E)-{4-[({4-[(E)-(2,4-Diaminophenyl)Diazenyl]Phenyl}Sulfonyl)Amino]Phenyl}Diazenyl]-5-Hydroxy-6-[(E)-Phenyldiazenyl]-2,7-Naphthalenedisulfonate; 2,7-Naphthalenedisulfonic acid, 4-Amino-3-[(E)-2-[4-[[[4-[(E)-2-(2,4-Diaminophenyl)Diazenyl]Phenyl]Sulfonyl]Amino]Phenyl]Diazenyl]-5-Hydroxy-6-[(E)-2-Phenyldiazenyl]-, Sodium salt (1:2)

C.I.18830; 4-[4,5-Dihydro-3-Methyl-4-[(4-Methylphenyl)azo]-5-oxo-1H-Pyrazol-1-yl]Benzenesulfonic acid Sodium salt; C.I.Acid Yellow 12