Compound Q&A
How is 4-Amino-5-hydroxy-2,7-naphthalenedisulfonic acid (CAS: 8011-86-7) typically synthesized?
Answer
4-Amino-5-hydroxy-2,7-naphthalenedisulfonic acid is usually synthesized through the sulfonation of 4-amino-5-hydroxy-2,7-naphthalenedicarboxylic acid. This process can be catalyzed by sulfuric acid, with a yield of about 85-90%. The reaction involves the introduction of two sulfonic acid groups to the naphthalene ring, followed by a careful dehydration step to obtain the final product.
About
CAS No
8011-86-7
English Name
4-Amino-5-hydroxy-2,7-naphthalenedisulfonic acid
Molecular Formula
C10H9NO7S2
Molecular Weight
319.32 g/mol
SMILES
C1=CC(=CC=C1N=NC2=C(C(=CC(=C2O)N=NC3=C4C(=CC(=C3)S(=O)(=O)[O-])C=C(C=C4O)S(=O)(=O)[O-])N=NC5=C(C(=CC(=C5)[N+](=O)[O-])[N+](=O)[O-])O)O)[N+](=O)[O-].[Na+].[Na+]
InChIKey
APRRQJCCBSJQOQ-UHFFFAOYSA-N
Last Updated: 2025-10-20 00:35
