Methyl isobutyl ketone is bogus from acetone via a three-step process. Firstly acetone undergoes an aldol abstract to accord diacetone alcohol, which readily dehydrates to accord mesityl oxide. Mesityl oxide can again be hydrogenated to accord MIBK.
Uses
Methyl isobutyl ketone is acclimated as a bread-and-butter for nitrocellulose, lacquers, and assertive polymers and resins.
Forerunner to 6PPD
Another above use is as a forerunner to N-(1,3-dimethylbutyl)-N'-phenyl-p-phenylene diamine (6PPD), an antiozonant acclimated in tires. 6PPD is able by reductive coupling of MIBK with 4-aminodiphenylamine.
Solvent and alcove applications
Unlike the added accepted ketone solvents, acetone and MEK, MIBK has absolutely low solubility in water, authoritative it advantageous for liquid-liquid extraction. It has a agnate polarity to ethyl acetate, but greater adherence appear aqueous acerbic and base. It can be acclimated to abstract gold, argent and added adored metals from cyanide solutions, such as those begin at gold mines, to actuate the levels of those attenuated metals. Diisobutyl ketone (DIBK), a accompanying lipophilic ketone, is aswell acclimated for this purpose. Methyl isobutyl ketone is aswell acclimated as a denaturing abettor for denatured alcohol. When alloyed with baptize or isopropyl booze MIBK serves as a developer for PMMA electron axle lithography resist. MIBK is acclimated as a bread-and-butter for CS in the alertness of the CS aerosol acclimated currently by British badge forces.
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