Compound Q&A
How is 1-naphthalenediazonium, 2-hydroxy-4-sulfo-, inner salt (CAS: 887-76-3) typically synthesized?
Answer
1-naphthalenediazonium, 2-hydroxy-4-sulfo-, inner salt is typically synthesized by diazotization of 1-naphthol and subsequent sulfonation. The diazotization is carried out in an acidic medium using sodium nitrite and sulfuric acid. The sulfonation step is conducted with sulfur trioxide in pyridine. The reaction is monitored by TLC and the product is recrystallized from water to obtain the inner salt.
About
CAS No
887-76-3
English Name
1-naphthalenediazonium, 2-hydroxy-4-sulfo-, inner salt
Molecular Formula
C10H6N2O4S
Molecular Weight
252.2465 g/mol
EINECS
212-958-9
SMILES
C1=CC=C2C(=C1)C(=CC(=C2[N+]#N)O)S(=O)(=O)[O-]
InChIKey
QHIBNGIZPPHJAT-UHFFFAOYSA-N
Last Updated: 2025-09-29 09:43
