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CAS 82-47-3

:

4-Amino-5-hydroxy-1,3-naphthalenedisulfonic acid

Description:
4-Amino-5-hydroxy-1,3-naphthalenedisulfonic acid, with the CAS number 82-47-3, is an organic compound characterized by its naphthalene structure, which is substituted with amino and hydroxy groups as well as two sulfonic acid groups. This compound typically appears as a solid and is soluble in water due to the presence of the sulfonic acid groups, which enhance its polarity. It is often used as a dye intermediate and in the synthesis of various organic compounds. The presence of both amino and hydroxy functional groups contributes to its reactivity, allowing it to participate in various chemical reactions, including coupling reactions in dye chemistry. Additionally, its sulfonic acid groups impart acidic properties, making it useful in applications that require pH control. Overall, 4-Amino-5-hydroxy-1,3-naphthalenedisulfonic acid is significant in industrial applications, particularly in the textile and dye industries, due to its ability to form stable colored complexes.
Formula:C10H9NO7S2
InChI:InChI=1/C10H9NO7S2/c11-10-8(20(16,17)18)4-7(19(13,14)15)5-2-1-3-6(12)9(5)10/h1-4,12H,11H2,(H,13,14,15)(H,16,17,18)
InChI key:InChIKey=ZFRBZRZEKIOGQI-UHFFFAOYSA-N
SMILES:NC=1C2=C(C(S(=O)(=O)O)=CC1S(=O)(=O)O)C=CC=C2O
Synonyms:
  • 1,3-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-
  • 1-Amino-8-hydroxy-naphthalene-2,4-disulphonic acid
  • 1-Amino-8-hydroxynaphthalene-2,4-disulfonic acid
  • 1-Amino-8-naphthol-2,4-disulfonic acid
  • 1-Amino-8-naphthyl-2,4-disulfonic acid
  • 4-Amino-5-Hydroxynaphthalene-1,3-Disulfonic Acid
  • 4-Amino-5-hydroxy-1,3-naphthalenedisulfonic acid
  • 4-Amino-5-naphthol-1,3-disulfonic acid
  • 8-Amino-1-naphthol-5,7-disulfonic acid
  • Chicago acid
  • See more synonyms
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