Neha Patil (Editor)

2,5 Dihydroxy 1,4 benzoquinone

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Covid-19
Molar mass  140.1 g/mol
Formula  C6H4O4
2,5-Dihydroxy-1,4-benzoquinone wwwchemspidercomImagesHandlerashxid8117776ampw

2,5-Dihydroxy-1,4-benzoquinone or 2,5-dihydroxy-para-benzoquinone is an organic compound with formula C
6
H
4
O
4
, formally derived from 1,4-benzoquinone by replacing two hydrogen atoms with hydroxyl (OH) groups. It is one of seven dihydroxybenzoquinone isomers. It is a yellow solid with planar molecules that exhibits ferroelectric properties.

The compound is a weak acid: one or both hydroxyls can lose a proton to yield the anions C
6
H
3
O
4
(pKa1 = 2.95) and C
6
H
2
O2−
4
(pKa2 = 4.87), respectively. The latter forms a variety of metal complexes, functioning as a binucleating ligand.

The compound has been identified as partly responsible for the color of aged cellulosic materials.

References

2,5-Dihydroxy-1,4-benzoquinone Wikipedia


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