This compound is a metal complex azo dye, consisting of a copper-coordinated sulfonated azo structure with multiple ionizable groups. It is primarily used in coloring applications due to its complex molecular architecture.
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.
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CAS 77840-01-8
Solvent Green 5
Fluorescent solvent dye
D&C yellow no. 11
Solvent dye for lacquers and plastics
Acid Black 2
Histological dye and textile dye
Direct Yellow 44
Direct dye for textiles
3-amino-5-[[[(2-carboxy-5-sulfonatophenyl)diazenyl]-phenylmethyl]diazenyl]-4-hydroxybenzenesulfonate;copper;hydron
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[H+].[H+].[H+].C1=CC=C(C=C1)[C-](N=NC2=CC(=CC(=C2O)N)S(=O)(=O)[O-])N=NC3=C(C=CC(=C3)S(=O)(=O)[O-])C(=O)O.[Cu]