| Identification | ||
| Name | 4-Aminosalicylic acid | |
| Synonyms | 4-Amino-2-hydroxybenzoic acid; PAS | |
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| Molecular Structure |
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| Molecular Formula | C7H7NO3 | |
| Molecular Weight | 153.13 | |
| CAS Registry Number | 65-49-6 | |
| EINECS | 200-613-5 | |
| Properties | ||
| Melting point | 135-145 ºC | |
| Water solubility | 2 g/L (20 ºC) | |