Molecular Formula C10H14O4Pt
CAS No. 15170-57-7
Acetylacetone is an amoebic admixture that abundantly exists in two tautomeric forms that rapidly interconvert. The beneath abiding tautomer is a diketone formally called pentane-2,4-dione. The added accepted tautomer is the enol form. The brace of tautomers rapidly interconvert and are advised as a individual admixture in a lot of applications. It is a colourless aqueous that is a forerunner to acetylacetonate (acac), a accepted bidentate ligand. It is aswell a architecture block for the amalgam of heterocyclic compounds.
Properties
The keto and enol forms of acetylacetone coexist in solution; these forms are tautomers. The C2v symmetry for the enol form displayed on the left in Scheme 1 has been verified by many methods, most prominently being NMR spectroscopy and IR spectroscopy. In the gas phase, the equilibrium constant, Kketo-enol is 11.7, favoring the enol form. The equilibrium constant tends to remain high in nonpolar solvents; the keto form becomes more favorable in polar, hydrogen-bonding solvents, such as water. The enol form is a vinylogous analogue of a carboxylic acid.
Platinum is a chemical element with the chemical symbol Pt and an atomic number of 78.
Its name is derived from the Spanish term platina del Pinto, which is literally translated into "little silver of the Pinto River". It is a dense, malleable, ductile, precious, gray-white transition metal.
Platinum is used in catalytic converters, laboratory equipment, electrical contacts and electrodes, platinum resistance thermometers, dentistry equipment, and jewelry. Because only a few hundred tonnes are produced annually, it is a scarce material, and is highly valuable and is a major precious metal commodity. Being a heavy metal, it leads to health issues upon exposure to its salts, but due to its corrosion resistance, it is not as toxic as some metals. Its compounds, most notably cisplatin, are applied in chemotherapy against certain types of cancer.
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