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CAS 2491-71-6

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4-Aminoazobenzene-4'-sulfonic acid sodium salt

Description:
4-Aminoazobenzene-4'-sulfonic acid sodium salt, also known as sodium 4-amino-4'-sulfonic azobenzene, is an organic compound characterized by its azo group (-N=N-) linking two aromatic rings. This compound features an amino group (-NH2) and a sulfonic acid group (-SO3H) on the aromatic rings, which contribute to its solubility in water and its use as a dye intermediate. It typically appears as a solid, often in a crystalline form, and is known for its bright color, which is characteristic of azo compounds. The presence of the sulfonic acid group enhances its water solubility, making it suitable for various applications in dyeing and as a reagent in chemical synthesis. Additionally, it is important to handle this compound with care due to potential health hazards associated with azo dyes, including concerns about mutagenicity and carcinogenicity. Overall, 4-aminoazobenzene-4'-sulfonic acid sodium salt is significant in both industrial applications and research settings.
Formula:C12H10N3NaO3S
InChI:InChI=1/C12H11N3O3S.Na/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);/q;+1/p-1
InChI key:InChIKey=SMMDDIFMWRXWHJ-UHFFFAOYSA-N
SMILES:N(=NC1=CC=C(N)C=C1)C2=CC=C(S(=O)(=O)O)C=C2.[Na]
Synonyms:
  • 11648 Yellow
  • 4-Aminoazobenzene-4-sulphonic acid sodium salt
  • Acid Yellow FWA
  • Benzenesulfonic acid, 4-(2-(4-aminophenyl)diazenyl)-, sodium salt (1:1)
  • Benzenesulfonic acid, 4-[(4-aminophenyl)azo]-, monosodium salt
  • Benzenesulfonic acid, p-(p-aminophenylazo)-, sodium salt
  • Food Yellow 6
  • Hexacol Yellow RFS
  • New Yellow GMF
  • Sodium 4-(4-Aminophenyl)Azobenzenesulfonate
  • See more synonyms
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