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121-53-9 Structure

121-53-9 Structure
IdentificationBack Directory
[Name]

3-sulphobenzoic acid
[CAS]

121-53-9
[Synonyms]

m-Sulfobenzoic Acid
3-sulphobenzoic acid
m-Carboxybenzenesulfonicaci
[EINECS(EC#)]

204-478-3
[Molecular Formula]

C7H6O5S
[MDL Number]

MFCD00024930
[MOL File]

121-53-9.mol
[Molecular Weight]

202.18
Chemical PropertiesBack Directory
[Melting point ]

135-140 °C
[density ]

1.620±0.06 g/cm3(Predicted)
[pka]

-0.99±0.15(Predicted)
[EPA Substance Registry System]

Benzoic acid, 3-sulfo- (121-53-9)
Safety DataBack Directory
[TSCA ]

TSCA listed
Hazard InformationBack Directory
[Chemical Properties]

Grayish-white solid. Stable but hygroscopic in air. Mp 98C, anhydrous form melts at 141C. Soluble in water, alcohol; insoluble in benzene.
[Uses]

3-Sulfobenzoic Acid is used in preparation of Proline derivatives for inhibition of β-Lactamase.
[Uses]

Derivative for surface-active agents.
[Definition]

3-sulphobenzoic acid is produced by the direct sulfonation of benzoic acid with oleum in ca. 85 % yield. 3-Sulfobenzoic acid is chiefly used for the production of 3-hydroxybenzoic acid by alkali fusion.
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