2,5-Dihydroxybenzenesulfonic Acid
[CAS# 20676-50-0]

Identification

• Name: 2,5-Dihydroxybenzenesulfonic Acid
• Synonyms: 2,5-dihydroxybenzenesulphonic acid; Dobesilic acid; Hydroquinone ammonium sulfonate
• Molecular Formula: C₆H₆O₅S
• Molecular Weight: 190.17
• CAS Registry Number: 20676-50-0
• SMILES: C1=CC(=C(C=C1O)S(=O)(=O)O)O
• InChI: 1S/C6H6O5S/c7-4-1-2-5(8)6(3-4)12(9,10)11/h1-3,7-8H,(H,9,10,11)
• InChIKey: IKQCSJBQLWJEPU-UHFFFAOYSA-N

Properties

• Density: 1.7±0.1g/cm³ (Cal.)
• Refractive index: 1.658 (Cal.)

References

• (1): W. T. A. Harrison, M. T. Swamy, H. S. Yathirajan, M. A. Ashok and B. Narayana. Diethylammonium 2,5-dihydroxybenzenesulfonate, Acta Cryst. (2007). E63, o4870