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Home/Compounds/Dye & Pigment/4-[(4-aminophenyl)diazenyl]benzenesulfonic acid
C12H11N3O3S
277.3 g/mol
Dye & Pigment

4-((4-aminophenyl)diazenyl)benzenesulfonic acid

CAS104-23-4EC203-187-9
Category
Dye & Pigment
Compound Class
Aromatic
Primary Use
Azo dye intermediate

This compound is an azo dye intermediate used in the synthesis of dyes and pigments. It contains an amino group and a sulfonic acid group, contributing to its reactivity and solubility in aqueous systems.

Azo dye intermediateDye and pigment manufacturing

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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Identifiers
IUPAC Name

4-[(4-aminophenyl)diazenyl]benzenesulfonic acid

InChIKey

PPVRMPPLECDING-UHFFFAOYSA-N

SMILES

C1=CC(=CC=C1N)N=NC2=CC=C(C=C2)S(=O)(=O)O

Synonyms (19)
  • 4'-Sulfo-4-aminoazobenzene
  • 4-(4-Sulfophenylazo)aniline
  • Aminoazobenzenesulfonic acid
  • C.I. 13011 (Free acid)
  • C.I. Food Yellow 6
  • C.I. Food Yellow 6 (VAN)