Homogentisic acid
Chemical compound / From Wikipedia, the free encyclopedia
Homogentisic acid (2,5-dihydroxyphenylacetic acid) is a phenolic acid usually found in Arbutus unedo (strawberry-tree) honey.[1] It is also present in the bacterial plant pathogen Xanthomonas campestris pv. phaseoli[2] as well as in the yeast Yarrowia lipolytica[3] where it is associated with the production of brown pigments. It is oxidatively dimerised to form hipposudoric acid, one of the main constituents of the 'blood sweat' of hippopotamuses.
Quick Facts Names, Identifiers ...
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Preferred IUPAC name
(2,5-Dihydroxyphenyl)acetic acid | |
Other names
Melanic acid | |
Identifiers | |
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3D model (JSmol) |
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ChEBI | |
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DrugBank |
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ECHA InfoCard | 100.006.540 |
KEGG |
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MeSH | Homogentisic+acid |
PubChem CID |
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UNII | |
CompTox Dashboard (EPA) |
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Properties | |
C8H8O4 | |
Molar mass | 168.148 g·mol−1 |
Melting point | 150 to 152 °C (302 to 306 °F; 423 to 425 K) |
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 less commonly known as melanic acid, the name chosen by William Prout.