| CAS | 490-79-9 |
| Structure |  |
| Synonyms | 5-Hydroxysalicylic acid |
| IUPAC Name | 2,5-Dihydroxybenzoic acid |
| Molecular Weight | 154.12 |
| Molecular Formula | C7H6O4 |
| Canonical SMILES | C1=CC(=C(C=C1O)C(=O)O)O |
| InChI | InChI=1S/C7H6O4/c8-4-1-2-6(9)5(3-4)7(10)11/h1-3,8-9H,(H,10,11) |
| InChI Key | WXTMDXOMEHJXQO-UHFFFAOYSA-N |
| Melting Point | 204-208 °C (lit.) |
| Purity | 98% |
| Density | 1.37 g/ml |
| pKa | 2.97 |
| pH | 3.21 (1 mM solution) |
| Solubility in Water | Soluble |
| Appearance | White to off-white solid |
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