Chemical Product Library / Reference
Benzenesulfonic acid
Chemical identity, technical indicators, performance and application reference. Confirm specifications and regulatory suitability against supplier documentation.
Chemical identity
| English name | Benzenesulfonic acid |
|---|---|
| English synonyms | Benzenesulfonic acid;Phenylsulfonic acid;Besylate |
| Chinese name | 苯磺酸 |
| Chinese synonyms | 苯磺酸;苯基磺酸 |
| Chemical category | Fine & Specialty Chemicals |
| CAS No. | 98-11-3 |
| EINECS No. | 202-638-8 |
| Molecular formula | C6H6O3S |
| Molecular weight | 158.17 |
PubChem structure images are reference depictions, not proof of composition, purity, grade, or regulatory status. Mixtures and polymers may not have a single representative structure.
Technical indicators
Assay ≥97.0%; sulfate ≤0.5%; water ≤1.0%; color (Pt-Co) ≤100
Performance characteristics
White to pale yellow crystalline solid, highly soluble in water, strong organic acid
Application scenarios
Acid catalyst, intermediate for phenol and resorcinol, pharmaceutical salt forming agent, dye intermediate