| Chemistry name: | mesoxalylurea |
| M Formula: | C4H2O4N2·H2O and 4H2O |
| Properties: | |
| White crystals, become pink on exposure to air; colorless aqueous solution which imparts pink color to skin. Mp 170C (decomposes) (various melting points in literature). Soluble in water and alcohol. | |
| Derivation: | |
| Oxidation of uric acid in acid solution. | |
| Use: | |
| Biochemical research, cosmetics, organic synthesis. | |