Dichloro(dimethylglyoxime)(dimethylglyoximato)cobalt(III) TCI D5924

Name: TCI D5924 23638-66-6 Dichloro(dimethylglyoxime)(dimethylglyoximato)cobalt(III)
Brand: TCI
SKU: TCI2510D592426916
Price: 2038050.0 IDR
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TCI D5924, CAS 23638-66-6, is Dichloro(dimethylglyoxime)(dimethylglyoximato)cobalt(III), a cobalt complex belonging to the cobaloxime family. The structure consists of a cobalt(III) center surrounded by dimethylglyoxime ligands together with chloride ligands, forming an equatorial planar arrangement that resembles the macrocyclic environment found in cobalamin. In the laboratory, this compound functions as a transition metal catalyst used in cobalt-based radical reactions, C–H activation processes, and dehydrogenative reactions that release molecular hydrogen. These roles have made it one of the reference catalysts in modern catalysis chemistry and energy chemistry.

The properties that make cobaloximes a preferred choice are the stability of the glyoxime ligand framework, which is straightforward to prepare, combined with the ability of the cobalt center to move reversibly between several oxidation states. This capability enables catalytic cycles involving the formation of cobalt hydride species, hydrogen atom transfer, and the release of hydrogen gas. The complex is also well known for pairing effectively with photocatalysts or photosensitizers in combined systems, which is why it is widely used in reactions driven by visible light. Supplied as a solid, it is convenient to weigh and to introduce into reaction mixtures.

In Indonesian laboratories, this catalyst is typically encountered in university and institutional research groups working on synthetic methodology, catalysis, and hydrogen-related energy chemistry. It is used at small scale in exploratory reaction screening, in photocatalytic setups combining a light source with a sensitizer, and in graduate-level research projects investigating radical and dehydrogenative transformations. Because it is a specialist research chemical rather than a routine reagent, it is generally purchased in small research quantities and handled by trained personnel within an established synthetic chemistry workflow.

Cobalt-catalyzed radical reactions — the cobalt center accesses several oxidation states reversibly, allowing it to generate and control radical intermediates throughout a complete catalytic cycle.
C–H activation chemistry — this complex is applied as a transition metal catalyst in C–H activation processes, one of the principal reaction classes for which cobaloximes are studied.
Acceptorless dehydrogenative transformations — the catalyst supports dehydrogenative reactions that release molecular hydrogen, avoiding the need for a stoichiometric external hydrogen acceptor in the system.
Visible-light-driven photocatalysis — the cobaloxime pairs effectively with photosensitizers or photocatalysts in dual systems, making it suitable for reactions initiated and sustained by visible light.
Hydrogen evolution and energy chemistry research — cobalt hydride formation and hydrogen atom transfer make this a reference catalyst for laboratory studies in modern energy chemistry.

Brand	TCI
CAS number	23638-66-6
Molecular formula	—
Purity	—
Category	Chemistry > Catalysis and Inorganic Chemistry > C-H Activation [Catalysis]
Pack sizes	available in TCI research-scale packaging; please confirm the currently available pack size when ordering
Physical form	solid
Storage	keep in a tightly closed container in a cool, dry, well-ventilated place

Chemical name: Dichloro(dimethylglyoxime)(dimethylglyoximato)cobalt(III)

Store the material in its original tightly closed container in a cool, dry and well-ventilated area, away from moisture, direct sunlight and sources of heat or ignition. Amber glass or the supplier's original packaging is suitable, and the container should be resealed promptly after each use to limit exposure to atmospheric moisture. Handle the solid in a fume hood or a well-ventilated workspace, and wear a laboratory coat, safety glasses and chemical-resistant gloves when weighing or transferring it. Avoid generating dust, avoid contact with skin, eyes and clothing, and wash hands thoroughly after handling. Keep the compound separated from incompatible materials, and dispose of residues and contaminated consumables through the laboratory's chemical waste procedure. Always consult the manufacturer's safety data sheet before use.

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