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CAS 148-75-4

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3-hydroxynaphthalene-2,7-disulphonic acid

Description:
3-Hydroxynaphthalene-2,7-disulphonic acid, also known as 1-amino-2-naphthol-3,6-disulfonic acid, is an organic compound characterized by its naphthalene structure with hydroxyl and sulfonic acid functional groups. This compound typically appears as a dark-colored solid and is soluble in water due to the presence of sulfonic acid groups, which enhance its hydrophilicity. It is commonly used as a dye intermediate and in the synthesis of various organic compounds. The presence of multiple sulfonic acid groups contributes to its acidic properties, making it a strong acid in aqueous solutions. Additionally, its hydroxyl group can participate in hydrogen bonding, influencing its reactivity and interactions with other chemical species. The compound is of interest in various industrial applications, including textiles and pharmaceuticals, due to its ability to form stable complexes with metal ions and its role in dyeing processes. Safety precautions should be observed when handling this substance, as it may pose health risks upon exposure.
Formula:C10H8O7S2
InChI:InChI=1/C10H8O7S2/c11-9-4-6-1-2-8(18(12,13)14)3-7(6)5-10(9)19(15,16)17/h1-5,11H,(H,12,13,14)(H,15,16,17)
InChI key:InChIKey=USWINTIHFQKJTR-UHFFFAOYSA-N
SMILES:S(=O)(=O)(O)C1=CC2=C(C=C1O)C=CC(S(=O)(=O)O)=C2
Synonyms:
  • 2,7-Naphthalenedisulfonic acid, 3-hydroxy-
  • 2-Hydroxy-3,6-naphthalenedisulfonic acid
  • 2-Hydroxy-naphthalene-3,6-disulphonic acid
  • 2-Naphthol-3,6-Disulfonic Acid
  • 3-Hydroxy-2,7-naphthalenedisulfonic acid
  • 3-Hydroxynaphthalene-2,7-Disulfonic Acid
  • Acid Chrome Black V
  • Magracrom Black V
  • R acid
  • β-Naphthol-3,6-disulfonic acid
  • See more synonyms
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