Compound Q&A
What are the physical and chemical properties of Sodium 4,5-dihydroxynaphthalene-2,7-disulfonate dihydrate (CAS: 5808-22-0)?
Answer
Sodium 4,5-dihydroxynaphthalene-2,7-disulfonate dihydrate is a white crystalline solid. Its molecular weight is approximately 411.17 g/mol. This compound has low solubility in water and high solubility in dilute acids. It is moderately reactive, especially towards bases and reducing agents. It is used in the preparation of various dyes and pigments, and as a component in analytical reagents.
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
