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CAS 5850-63-5

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2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-[2-(1-naphthalenyl)diazenyl]-, sodium salt (1:2)

Description:
2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-[2-(1-naphthalenyl)diazenyl]-, sodium salt (1:2), with CAS number 5850-63-5, is a synthetic organic compound characterized by its azo dye structure. This compound features two sulfonic acid groups, which enhance its solubility in water, making it suitable for various applications, particularly in dyeing processes. The presence of hydroxyl groups contributes to its reactivity and potential for forming hydrogen bonds, while the azo linkage (-N=N-) is responsible for its vivid coloration. As a sodium salt, it is typically more soluble in aqueous solutions compared to its acid form. This compound is often used in the textile industry for dyeing fabrics, as well as in other applications such as inks and pigments. Its stability and colorfastness are important characteristics that determine its effectiveness in these applications. Additionally, the compound's structure allows for potential modifications, which can lead to a variety of derivatives with different properties and uses.
Formula:C20H14N2O8S2·2Na
InChI:InChI=1S/C20H14N2O8S2.2Na/c23-16-10-13(31(25,26)27)8-12-9-17(32(28,29)30)19(20(24)18(12)16)22-21-15-7-3-5-11-4-1-2-6-14(11)15;;/h1-10,23-24H,(H,25,26,27)(H,28,29,30);;
InChI key:InChIKey=LXQKUIMXQFPUMG-UHFFFAOYSA-N
SMILES:OC=1C2=C(C=C(S(=O)(=O)O)C1N=NC=3C4=C(C=CC3)C=CC=C4)C=C(S(=O)(=O)O)C=C2O.[Na]
Synonyms:
  • (3E)-5-hydroxy-3-(naphthalen-1-ylhydrazono)-4-oxo-3,4-dihydronaphthalene-2,7-disulfonic acid
  • 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-(1-naphthalenylazo)-, disodium salt
  • 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-[2-(1-naphthalenyl)diazenyl]-, sodium salt (1:2)
  • 5-Hydroxy-3-(Naphthalen-1-Ylhydrazono)-4-Oxo-3,4-Dihydronaphthalene-2,7-Disulfonic Acid
  • Acid Violet 13
  • Amacid Chrome Blue 3B
  • Chromotrope 10B
  • Pontacyl violet 6R
  • Ritacid Violet 5TR
  • Wool Violet 2R
  • See more synonyms
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