C6H6O4

The molecular formula C6H6O4 (molar mass : 142.10 g/mol, exact mass : 142.026608 u) may refer to:


 * Dimethyl acetylenedicarboxylate
 * 5-Hydroxymaltol
 * 2-Hydroxymuconate semialdehyde
 * Kojic acid
 * Muconic acid
 * Tetrahydroxybenzene
 * 1,2,3,4-Tetrahydroxybenzene
 * 1,2,3,5-Tetrahydroxybenzene
 * 1,2,4,5-Tetrahydroxybenzene