Qu acid is an organic compound with the chemical formula C6H6O4. It is mainly used as a whitening agent, food additive, and can also be used as a preservative, preservative, and color protector. | ||
Acid dissociation constant (pKa): | 7.9(at 25ºC) | |
density: | 1.1712 (rough estimate) | |
melting point: | 152-155 °C (lit.) | |
LogP : | -0.640 |