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CAS 104-23-4

:

4-Aminoazobenzene-4′-sulfonic acid

Description:
4-Aminoazobenzene-4′-sulfonic acid, also known as Sudan I or by its CAS number 104-23-4, is an organic compound characterized by its azo group, which consists of a nitrogen-nitrogen double bond (-N=N-). This compound features an amino group (-NH2) and a sulfonic acid group (-SO3H) attached to a biphenyl structure, contributing to its solubility in water and its use as a dye. It typically appears as a yellow to orange powder and is known for its vibrant color properties, making it valuable in dyeing applications, particularly in textiles and food products. However, it is important to note that 4-Aminoazobenzene-4′-sulfonic acid has raised health concerns due to its potential carcinogenicity, leading to regulatory scrutiny in various countries. Its chemical stability and reactivity can be influenced by pH and environmental conditions, which are critical factors in its application and handling. Safety measures should be observed when working with this compound due to its toxicological profile.
Formula:C12H11N3O3S
InChI:InChI=1S/C12H11N3O3S/c13-9-1-3-10(4-2-9)14-15-11-5-7-12(8-6-11)19(16,17)18/h1-8H,13H2,(H,16,17,18)
InChI key:InChIKey=PPVRMPPLECDING-UHFFFAOYSA-N
SMILES:N(=NC1=CC=C(N)C=C1)C2=CC=C(S(=O)(=O)O)C=C2
Synonyms:
  • 4'-Aminoazobenzene-4-sulphonic acid
  • 4-(4-Aminophenylazo)benzenesulfonic acid
  • 4-(4-Sulfophenylazo)aniline
  • 4-Amino-1,1′-azobenzene-4′-sulfonic acid
  • 4-Amino-4′-sulfoazobenzene
  • 4-[(E)-(4-aminophenyl)diazenyl]benzenesulfonic acid
  • 4-[2-(4-Aminophenyl)diazenyl]-benzenesulfonic acid
  • 4′-Sulfo-4-aminoazobenzene
  • Benzenesulfonic acid, 4-[(4-aminophenyl)azo]-
  • Benzenesulfonic acid, 4-[2-(4-aminophenyl)diazenyl]-
  • See more synonyms
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