Cadmiumacetats

Cadmiumacetats are a group of cadmium(II) salts that contain the acetate anion (CH₃COO⁻). The most common member of this family is cadmium(II) acetate, with the chemical formula Cd(CH₃COO)₂. Cadmiumacetats are typically obtained by reacting cadmium metal, cadmium oxide, or cadmium hydroxide with acetic acid or sodium acetate. The resulting crystals can be white to slightly yellowish, highly soluble in water, and are frequently used as a source of cadmium ions in laboratory preparations.

The acetate ligand provides moderate kinetic stability to the metal center, allowing cadmiumacetats to act as intermediates in the synthesis of more complex cadmium coordination compounds. In particular, cadmiumacetats are employed in the preparation of acetylacetonate complexes or as starting materials for cadmium chalcogenide quantum dots, where the acetate groups are exchanged for other ligands during colloidal synthesis.

In industrial contexts, cadmiumacetates are produced in bulk for use as pigment precursors, though the use of cadmium compounds is tightly regulated due to their toxicity. Cadmiumacetats are known to release cadmium ions upon hydrolysis, with a basic corrosion hazard in aqueous systems. Consequently, handling procedures include wearing gloves, goggles, and working under fume hoods.

Safety data for cadmiumacetats indicate acute oral toxicity (LD50 in rats ≈ 700 mg/kg), and chronic exposure can lead to kidney dysfunction and bone demineralization. Environmental precautions recommend that waste containing cadmiumacetats be treated as hazardous according to local regulations. The compound's bright yellowish color and moderate solubility have made it valuable in cheminformatics studies focused on metal–acetate coordination chemistry.