Gentisic acid
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Gentisic acid is a dihydroxybenzoic acid. It is a derivative of benzoic acid and a minor (1%) product of the metabolic break down of aspirin, excreted by the kidneys.[4]
Quick Facts Names, Identifiers ...
Names | |
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Preferred IUPAC name
2,5-Dihydroxybenzoic acid | |
Other names
DHB 5-Hydroxysalicylic acid Gentianic acid Carboxyhydroquinone 2,5-Dioxybenzoic Acid Hydroquinonecarboxylic acid | |
Identifiers | |
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3D model (JSmol) |
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ChEBI | |
ChEMBL | |
ChemSpider |
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ECHA InfoCard | 100.007.017 |
KEGG |
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PubChem CID |
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UNII | |
CompTox Dashboard (EPA) |
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Properties | |
C7H6O4 | |
Molar mass | 154.12 g/mol |
Appearance | white to yellow powder |
Melting point | 204 °C (399 °F; 477 K)[2] |
Acidity (pKa) | 2.97[3] |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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It is also found in the African tree Alchornea cordifolia and in wine.[5]