| Identification | ||
| Name | 2,4-Dihydroxybenzoic acid | |
| Synonyms | 4-Hydroxysalicylic acid; beta-Resorcylic acid | |
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| Molecular Structure |
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| Molecular Formula | C7H6O4 | |
| Molecular Weight | 154.12 | |
| CAS Registry Number | 89-86-1 | |
| EINECS | 201-946-9 | |
| FEMA | 3798 | |
| Properties | ||
| Melting point | 225-227 ºC | |
| Water solubility | 8 g/L (20 ºC) | |