Dimethylglyoxime is a chemical compound described by the formula CH3C(NOH)C(NOH)CH3. This colourless solid is the dioxime derivative of the diketone butane-2,3-dione (also known as diacetyl).
Dimethylglyoxime(DMG) is a complexing ligand.Dimethylglyoxime forms a number of mixed ligand complexes with N-acetylglycine and various metals such as VO(IV), Ni(II), Zn(II), Pd(II), Cd(II) and Pb(II).