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CAS 2918-80-1

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3-[2-(2,4-Dihydroxyphenyl)diazenyl]-4-hydroxybenzenesulfonic acid

Description:
3-[2-(2,4-Dihydroxyphenyl)diazenyl]-4-hydroxybenzenesulfonic acid, also known by its CAS number 2918-80-1, is an organic compound characterized by its azo dye structure. This compound features a sulfonic acid group, which enhances its solubility in water, making it suitable for various applications in dyeing and as a pH indicator. The presence of multiple hydroxyl groups contributes to its potential as a reducing agent and may influence its reactivity and stability. The azo linkage (-N=N-) is significant in the context of color properties, as it is responsible for the vivid colors typically associated with azo dyes. Additionally, the compound's structure suggests potential applications in biological systems, such as in pharmaceuticals or as a biological stain, due to its ability to interact with various biomolecules. Overall, this compound exemplifies the diverse functionalities of azo dyes in both industrial and research settings.
Formula:C12H10N2O6S
InChI:InChI=1S/C12H10N2O6S/c15-7-1-3-9(12(17)5-7)13-14-10-6-8(21(18,19)20)2-4-11(10)16/h1-6,15-17H,(H,18,19,20)
InChI key:InChIKey=NOYGQBBPVKLDQU-UHFFFAOYSA-N
SMILES:N(=NC1=C(O)C=C(O)C=C1)C2=CC(S(=O)(=O)O)=CC=C2O
Synonyms:
  • C.I. Mordant Red 5
  • Benzenesulfonic acid, 3-[2-(2,4-dihydroxyphenyl)diazenyl]-4-hydroxy-
  • 3-[2-(2,4-Dihydroxyphenyl)diazenyl]-4-hydroxybenzenesulfonic acid
  • 1-Phenol-4-sulfonic acid, 2-(2,4-dihydroxyphenylazo)-
  • Benzenesulfonic acid, 3-[(2,4-dihydroxyphenyl)azo]-4-hydroxy-
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