Tetrahydroxy-1,4-benzoquinone biscarbonate is a chemical compound, an oxide of carbon with formula C8O8.

Its molecule consists of a 1,4-benzoquinone core with the four hydrogen atoms replaced by two carbonate groups.

It can be seen as a fourfold ester of tetrahydroxy-1,4-benzoquinone and carbonic acid.

The compound was obtained by C. Nallaiah in 1984, as a tetrahydrofuran solvate.

[1] This article about a heterocyclic compound is a stub.