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CAS 712-24-3

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4-Amino-2-nitrobenzenesulfonic acid

Description:
4-Amino-2-nitrobenzenesulfonic acid, with the CAS number 712-24-3, is an organic compound that features both amino and nitro functional groups attached to a benzene ring, along with a sulfonic acid group. This compound is typically a solid at room temperature and is known for its solubility in water due to the presence of the sulfonic acid group, which enhances its ionic character. It exhibits acidic properties, primarily due to the sulfonic acid moiety, and can participate in various chemical reactions, including electrophilic substitutions and coupling reactions. The amino group can act as a nucleophile, while the nitro group is a strong electron-withdrawing group, influencing the reactivity of the compound. 4-Amino-2-nitrobenzenesulfonic acid is often used in the synthesis of dyes and pigments, as well as in various applications in the pharmaceutical and chemical industries. Safety precautions should be taken when handling this compound, as it may pose health risks if ingested or inhaled.
Formula:C6H6N2O5S
InChI:InChI=1S/C6H6N2O5S/c7-4-1-2-6(14(11,12)13)5(3-4)8(9)10/h1-3H,7H2,(H,11,12,13)
InChI key:InChIKey=ZNMGCJDUZADKPW-UHFFFAOYSA-N
SMILES:N(=O)(=O)C1=C(S(=O)(=O)O)C=CC(N)=C1
Synonyms:
  • 2-Nitrosulfanilic acid
  • 3-Nitro-4-sulfoaniline
  • 3-Nitroaniline-4-sulfonic acid
  • 4-Amino-2-Nitrobenzenesulfonic Acid
  • Benzenesulfonic acid, 4-amino-2-nitro-
  • NSC 37402
  • Sulfanilic acid, 2-nitro-
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