| Identification | ||
| Name | 2,5-Dihydroxybenzoic acid | |
| Synonyms | Gentisic acid; Hydroquinonecarboxylic acid; DHB | |
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| Molecular Structure |
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| Molecular Formula | C7H6O4 | |
| Molecular Weight | 154.12 | |
| CAS Registry Number | 490-79-9 | |
| EINECS | 207-718-5 | |
| Properties | ||
| Melting point | 204-207 ºC | |
| Water solubility | soluble | |