609-46-1

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609-46-1 Structure

Identification	Back Directory
[Name] o-hydroxybenzenesulphonic acid
[CAS] 609-46-1
[Synonyms] Phenol-2-sulfonic acid Calcium Dobesilate Impurity 13 o-hydroxybenzenesulphonic acid Benzenesulfonic acid, 2-hydroxy-
[EINECS(EC#)] 210-191-4
[Molecular Formula] C6H6O4S
[MDL Number] MFCD00036220
[MOL File] 609-46-1.mol
[Molecular Weight] 174.17

Chemical Properties	Back Directory
[Melting point ] 145°C (rough estimate)
[Boiling point ] 275.14°C (rough estimate)
[density ] 1.384 (estimate)
[refractive index ] 1.5500 (estimate)
[form ] solid
[pka] -0.60±0.15(Predicted)
[EPA Substance Registry System] o-Phenolsulfonic acid (609-46-1)

Hazard Information	Back Directory
[Definition] ChEBI: An arenesulfonic acid that is phenol substituted by a sulfo group at C-2.

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