Rahul Sharma (Editor)

Furantetracarboxylic acid

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Formula  C8H4O9
Molar mass  244.11 g/mol
Furantetracarboxylic acid

In chemistry, furantetracarboxylic acid is an organic compound with formula C
8
H
4
O
9
, or (C4O)(-(CO)OH)4, which can be viewed as deriving from furan C
4
H
4
O
through replacement of the four hydrogen atoms by carboxyl functional groups -(CO)OH.

By removal of four protons, the acid is expected to yield the anion C
8
O4−
9
, furantetracarboxylate, which is one of the oxocarbon anions (consisting solely of oxygen and carbon. By loss of 1 through 3 protons it forms the anions C
8
H
3
O
9
, C
8
H
2
O2−
9
, and C
8
H
1
O3−
9
, called respectively trihydrogen-, dihydrogen-, and hydrogenfurantetracarboxylate. The same names are used for the corresponding esters.

The acid can be obtained by from dioxalylsuccinate.

The salt rubidium trihydrogenfurantetracarboxylate RbH
3
C
8
O
9
crystallizes as white needles.

References

Furantetracarboxylic acid Wikipedia


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