Compound Q&A
How is 7-Amino-1,3,6-naphthalenetrisulfonic acid (CAS: 118-03-6) typically synthesized?
Answer
7-Amino-1,3,6-naphthalenetrisulfonic acid (CAS: 118-03-6) is typically synthesized through a multi-step process involving the sulfonation of naphthalene, followed by the amination of one of the sulfonic acid groups. Commonly, the sulfonation is performed using concentrated sulfuric acid, and the amination step involves the use of aniline or another amine under mild conditions. The overall yield is around 80-90% depending on the purity of the starting materials and the reaction conditions.
About
CAS No
118-03-6
English Name
7-Amino-1,3,6-naphthalenetrisulfonic acid
Molecular Formula
C10H9NO9S3
Molecular Weight
383.38 g/mol
SMILES
C1=C2C=C(C(=CC2=C(C=C1S(=O)(=O)O)S(=O)(=O)O)N)S(=O)(=O)O
InChIKey
GFPQSWFFPRQEHH-UHFFFAOYSA-N
Last Updated: 2025-09-09 08:06
