Compound Q&A
How is Sodium 4,5-dihydroxynaphthalene-2,7-disulfonate dihydrate (CAS: 5808-22-0) typically synthesized?
Answer
Sodium 4,5-dihydroxynaphthalene-2,7-disulfonate dihydrate is usually synthesized through the sulfonation of 4,5-dihydroxynaphthalene and subsequent neutralization with sodium hydroxide. Common catalysts include concentrated sulfuric acid or fuming sulfuric acid. The reaction is carried out under controlled temperature and pressure conditions to achieve high yield and selectivity.
About
CAS No
5808-22-0
English Name
Sodium 4,5-dihydroxynaphthalene-2,7-disulfonate dihydrate
Molecular Formula
C10H10Na2O10S2
Molecular Weight
400.3 g/mol
SMILES
C1=C2C=C(C=C(C2=C(C=C1S(=O)(=O)[O-])O)O)S(=O)(=O)[O-].O.O.[Na+].[Na+]
InChIKey
QUEAKWJKJBFNEG-UHFFFAOYSA-L
Last Updated: 2025-09-07 10:19
