Hexahydroxydiphenic acid

Hexahydroxydiphenic acid is an organic compound with the formula [(HO)₃C₆HCO₂H]₂. It is the oxidatively coupled derivative of gallic acid^[2] It is a white solid, although samples are typically brown owing to oxidation.

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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
CAS Number	128785-08-0[1]
3D model (JSmol)	Interactive image
ChemSpider	8490515 N
PubChem CID	10315050
CompTox Dashboard (EPA)	DTXSID901029565
InChI InChI=1S/C14H10O10/c15-5-1-3(13(21)22)7(11(19)9(5)17)8-4(14(23)24)2-6(16)10(18)12(8)20/h1-2,15-20H,(H,21,22)(H,23,24) N Key: MFTSECOLKFLUSD-UHFFFAOYSA-N N InChI=1/C14H10O10/c15-5-1-3(13(21)22)7(11(19)9(5)17)8-4(14(23)24)2-6(16)10(18)12(8)20/h1-2,15-20H,(H,21,22)(H,23,24) Key: MFTSECOLKFLUSD-UHFFFAOYAZ
SMILES O=C(O)c2cc(O)c(O)c(O)c2c1c(O)c(O)c(O)cc1C(=O)O
Properties
Chemical formula	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). N verify (what is YN ?) Infobox references

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