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CAS 7143-21-7

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2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-[2-(4-nitrophenyl)diazenyl]-, sodium salt (1:2)

Description:
2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-[2-(4-nitrophenyl)diazenyl]-, sodium salt (1:2), with CAS number 7143-21-7, is a synthetic organic compound characterized by its azo dye structure. This compound features a naphthalene backbone with two sulfonic acid groups, which enhance its solubility in water, making it suitable for various applications in dyeing and coloring processes. The presence of a hydroxyl group and a nitrophenyl diazenyl moiety contributes to its chromophoric properties, allowing it to exhibit vibrant colors. As a sodium salt, it is typically more soluble in aqueous solutions compared to its acid form. This compound is often utilized in the textile industry, as well as in biological and chemical research, due to its ability to form stable complexes with metal ions. Additionally, the azo group in its structure is known for its potential to undergo reduction, which can lead to the formation of aromatic amines, a consideration in terms of environmental and health safety. Overall, this compound exemplifies the diverse functionalities of azo dyes in industrial applications.
Formula:C16H11N3O9S2·2Na
InChI:InChI=1S/C16H11N3O9S2.2Na/c20-16-14(30(26,27)28)8-9-7-12(29(23,24)25)5-6-13(9)15(16)18-17-10-1-3-11(4-2-10)19(21)22;;/h1-8,20H,(H,23,24,25)(H,26,27,28);;
InChI key:InChIKey=NMLRQMQCMDMAHL-UHFFFAOYSA-N
SMILES:N(=NC1=CC=C(N(=O)=O)C=C1)C=2C3=C(C=C(S(=O)(=O)O)C2O)C=C(S(=O)(=O)O)C=C3.[Na]
Synonyms:
  • (4Z)-4-[(4-nitrophenyl)hydrazono]-3-oxo-3,4-dihydronaphthalene-2,7-disulfonic acid
  • 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-[(4-nitrophenyl)azo]-, disodium salt
  • 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-[(p-nitrophenyl)azo]-, disodium salt
  • 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-[2-(4-nitrophenyl)diazenyl]-, sodium salt (1:2)
  • 2-Naphthol-3,6-disulfonic acid, 1-(p-nitrophenylazo)-, disodium salt
Found 6 products.