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Dimethylglyoxime(Nickel Reagent)



Dimethylglyoxime is a chemical compound described by the formula CH3C(NOH)C(NOH)CH3. Its abbreviation is dmgH2 for neutral form, and dmgH for anionic form, where H stands for hydrogen. This colourless solid is the dioxime derivative of the diketone butane-2,3-dione (also known as diacetyl). DmgH2 is used in the analysis of palladium or nickel. Its coordination complexes are of theoretical interest as models for enzymes and as catalysts. Many related ligands can be prepared from other diketones, e.g. benzil.

Dimethylglyoxime (DMG) is a complexing ligand. Dimethylglyoxime forms a number of mixed ligand complexes with N-acetylglycine with metals such as VO(IV), Ni(II), Zn(II), Pd(II), Cd(II) and Pb(II). It is a useful reagent for the spectrophotometric determination of Co(II), Fe(II), Ni(II), Pd(II) and Re(VII).

Synonym: 2,3-Butanedione dioxime, Diacetyldioxime

Grade:AR Grade

Purity:98% min

CAS Number :95-45-4

EC Number:202-420-1

Linear Formula:CH3C(=NOH)C(=NOH)CH3

Molecular Formula:C4H8N2O2

Technical Requirements:



Appearance Light-yellow Powder
Melting Point 238.0—242.0
Solubility in Ethanol Qualified
ignition residue (w/%) 0.05% max


Dimethylglyoxime (DMG) was used as complexing agent for cobalt(II) and nickel(II) metals for the analysis of brine for trace metals by adsorptive stripping voltammetry. DMG was used in a study to develop a new DMG containing modified sol-gel carbon composite electrode for voltammetric sensing of heavy metals.
It is a useful reagent for the spectrophotometric determination of Co(II), Fe(II), Ni(II), Pd(II) and Re(VII).

Packing:25g/bottle or according to your requirement.

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