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CAS 116-63-2

:

1-Amino-2-naphthol-4-sulfonic acid

Description:
1-Amino-2-naphthol-4-sulfonic acid, with the CAS number 116-63-2, is an organic compound that features both amino and sulfonic acid functional groups. This compound is characterized by its naphthalene structure, which consists of two fused benzene rings, and the presence of an amino group (-NH2) and a sulfonic acid group (-SO3H) at specific positions on the naphthalene ring. It is typically a solid at room temperature and is soluble in water due to the sulfonic acid group, which enhances its polarity. This compound is often used as a dye intermediate and in the synthesis of various organic compounds. Its sulfonic acid group contributes to its acidic properties, making it a weak acid. Additionally, 1-amino-2-naphthol-4-sulfonic acid can participate in various chemical reactions, including diazotization and coupling reactions, which are essential in dye chemistry. Safety precautions should be taken when handling this compound, as it may pose health risks if ingested or inhaled.
Formula:C10H9NO4S
InChI:InChI=1S/C10H9NO4S/c11-10-7-4-2-1-3-6(7)9(5-8(10)12)16(13,14)15/h1-5,12H,11H2,(H,13,14,15)
InChI key:InChIKey=RXCMFQDTWCCLBL-UHFFFAOYSA-N
SMILES:S(=O)(=O)(O)C=1C2=C(C(N)=C(O)C1)C=CC=C2
Synonyms:
  • 1,2,4-Acid
  • 1-Amino-2-hydroxy-4-naphthalenesulfonic acid
  • 1-Amino-2-hydroxy-4-sulfonaphthalene
  • 1-Amino-2-naphthol-4-sulfonate
  • 1-Amino-2-naphthol-4-sulfonic acid
  • 1-Amino-4-sulfo-2-naphthol
  • 1-Naphthalenesulfonic acid, 4-amino-3-hydroxy-
  • 2-Hydroxy-4-sulfo-1-naphthylamine
  • 2-Naphthol-4-sulfonic acid, 1-amino-
  • 3-Hydroxy-4-amino-1-naphthalenesulfonic acid
  • See more synonyms
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