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Acid Black 2
Histological dye and textile dye
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This compound is an acid dye primarily used for coloring textiles. It is a disodium salt of a complex naphthalene disulfonate structure with multiple azo linkages, containing amine and hydroxy functional groups.
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
disodium;4-amino-3-[(4-aminophenyl)diazenyl]-5-hydroxy-6-phenyldiazenylnaphthalene-2,7-disulfonate
VGCGYVHOTSGFBE-UHFFFAOYSA-L
C1=CC=C(C=C1)N=NC2=C(C3=C(C(=C(C=C3C=C2S(=O)(=O)[O-])S(=O)(=O)[O-])N=NC4=CC=C(C=C4)N)N)O.[Na+].[Na+]