Dimethylglyoxime is a chelating agent that forms complexes with metals like copper, nickel, and palladium. It's also an analytical reagent that can be used to precipitate nickel from its aqueous solution. Dimethylglyoxime has the following properties: Melting point: 240–241°C Boiling point: 217.15°C Density: 1.2829 Refractive index: 1.4880 Solubility: Ether, ethanol, acetone Dimethylglyoxime's chemical formula is C4H8N2O2. CAS # EC Number Molar Mass 95-45-4 202-420-1 116.10 g/mol