| CAS | 69-72-7 |
| Structure |  |
| Synonyms | 2-Carboxyphenol |
| IUPAC Name | 2-Hydroxybenzoic acid |
| Molecular Weight | 138.12 |
| Molecular Formula | C7H6O3 |
| Canonical SMILES | C1=CC=C(C(=C1)C(=O)O)O |
| InChI | InChI=1S/C7H6O3/c8-6-4-2-1-3-5(6)7(9)10/h1-4,8H,(H,9,10) |
| InChI Key | YGSDEFSMJLZEOE-UHFFFAOYSA-N |
| Boiling Point | 211 °C(lit.) |
| Melting Point | 158-161 °C(lit.) |
| Flash Point | 157 °C |
| Purity | 99% |
| Density | 1.44 g/cm³ |
| Refractive Index | 1.565 |
| pKa | 2.98(at 25 °C) |
| pH | 3.21 (1 mM solution) |
| Solubility in Water | 1.8 g/L |
| Appearance | White to off-white solid |
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