It is an intermediate of minocycline hydrochloride. It can also be used as the intermediate of dyes and surfactants for the determination of total protein in urine and metal ion chelating agent. Its 0.2m aqueous solution is used as uranium and ferric ion（ λ max 425nm, Σ 5800) and fluorine ion (indirect) by spectrophotometry. Organic catalyst, lubricant additive.
CAS No.
97-05-2
Formula
C7H6O6S
Molecular Mass
218.18400
Exact Mass
217.98900
PSA
120.28000
Logp
1.41790
IUPAC
2-hydroxy-5-sulfobenzoic acid
Attribute classification
Matter Classification
organic
Category
Chemical and Physical Properties
Melting Point
120°C
Density
1.771 g/cm3
Boiling Point
328.86°C
Appearance
White to grayish white, hygroscopic, crystalline powder
Manufacturing
