Hexahydroxydiphenic acid
| Names | |
|---|---|
| Preferred IUPAC name
 4,4′,5,5′,6,6′-Hexahydroxy[1,1′-biphenyl]-2,2′-dicarboxylic acid  | |
| Other names
 HHDP 3,4,5,3′,4′,5′-Hexahydroxydiphenate 3,4,5,3′,4′,5′-Hexahydroxydiphenic acid  | |
| Identifiers | |
3D model (JSmol)  | 
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CompTox Dashboard (EPA)  | 
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| Properties | |
| C14H10O10 | |
| Molar mass | 338.224 g·mol−1 | 
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). 
Infobox references  | |
Hexahydroxydiphenic acid is an organic compound with the formula [(HO)3C6HCO2H]2. It is the oxidatively coupled derivative of gallic acid It is a white solid, although samples are typically brown owing to oxidation.