| Product Name | Aniline-2-sulfonic acid |
| CAS No. | 88-21-1 |
| Synonyms | 2-Aminobenzenesulfonic acid; Orthanilic acid; 2-aminobenzenesulphonic acid; 2-aminobenzenesulfonate |
| InChI | InChI=1/C6H7NO3S/c7-5-3-1-2-4-6(5)11(8,9)10/h1-4H,7H2,(H,8,9,10)/p-1 |
| Molecular Formula | C6H6NO3S |
| Molecular Weight | 172.1823 |
| Melting point | 300℃ |
| Water solubility | sparingly soluble |
| Hazard Symbols |  C:Corrosive; |
| Risk Codes | R34:; |
| Safety | S26:; S28A:; |
88-21-1 aniline-2-sulfonic acid
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