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CAS 87-02-5

:

7-Amino-4-hydroxy-2-naphthalenesulfonic acid

Description:
7-Amino-4-hydroxy-2-naphthalenesulfonic acid, commonly referred to as "Naphthol AS," is an organic compound characterized by its naphthalene structure, which features both amino and hydroxy functional groups, as well as a sulfonic acid group. This compound is typically a solid at room temperature and is soluble in water, making it useful in various applications. It is primarily utilized as a dye intermediate in the production of azo dyes and as a reagent in analytical chemistry. The presence of the amino and hydroxy groups contributes to its reactivity, allowing it to participate in various chemical reactions, including diazotization and coupling reactions. Additionally, its sulfonic acid group enhances its solubility and stability in aqueous solutions. Due to its chemical properties, 7-Amino-4-hydroxy-2-naphthalenesulfonic acid is also employed in biological and environmental studies, particularly in the detection of certain compounds. Safety precautions should be observed when handling this substance, as it may pose health risks upon exposure.
Formula:C10H9NO4S
InChI:InChI=1S/C10H9NO4S/c11-7-1-2-9-6(3-7)4-8(5-10(9)12)16(13,14)15/h1-5,12H,11H2,(H,13,14,15)
InChI key:InChIKey=KYARBIJYVGJZLB-UHFFFAOYSA-N
SMILES:OC=1C2=C(C=C(S(=O)(=O)O)C1)C=C(N)C=C2
Synonyms:
  • 1-Hydroxy-3-sulfo-6-aminonaphthalene
  • 1-Hydroxy-6-amino-3-naphthalenesulfonic acid
  • 1-Naphthol-3-sulfonic acid, 6-amino-
  • 2-Amino-5-Naphthol-7-Sulphonic Acid
  • 2-Amino-5-hydroxy-7-naphthalenesulfonic acid
  • 2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-
  • 3-Amino-6-sulfo-8-naphthol
  • 3-Amino-8-hydroxy-6-naphthalenesulfonic acid
  • 3-Amino-8-hydroxy-6-sulfonaphthalene
  • 3-Amino-8-naphthol-6-sulfonic acid
  • See more synonyms
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