| Identification | ||
| Name | Aniline-2-sulfonic acid | |
| Synonyms | 2-Aminobenzenesulfonic acid; Orthanilic acid | |
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| Molecular Structure |
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| Molecular Formula | C6H7NO3S | |
| Molecular Weight | 173.19 | |
| CAS Registry Number | 88-21-1 | |
| EINECS | 201-810-9 | |
| Properties | ||
| Melting point | 300 ºC | |
| Water solubility | sparingly soluble | |