Compound Q&A
What are the physical and chemical properties of 4-Amino-5-hydroxy-2,7-naphthalenedisulfonic acid (CAS: 8011-86-7)?
Answer
4-Amino-5-hydroxy-2,7-naphthalenedisulfonic acid is a crystalline solid with a molecular weight of approximately 366.14 g/mol. It is soluble in water, with a solubility of around 10 g/L. Chemically, it is highly reactive due to the presence of sulfonic acid groups, which can participate in various chemical reactions such as esterification and condensation. It has a melting point of around 350°C and a pKa value of approximately 2.6.
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
