| Identification | ||
| Name | 4-Hydroxybenzoic acid | |
| Synonyms | 4-Hydroxybenzenecarboxylic acid | |
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| Molecular Structure |
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| Molecular Formula | C7H6O3 | |
| Molecular Weight | 138.12 | |
| CAS Registry Number | 99-96-7 | |
| EINECS | 202-804-9 | |
| Properties | ||
| Melting point | 214-217 ºC | |
| Flash point | 199 ºC | |
| Water solubility | 5 g/L (20 ºC) | |