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Acetone (2-propanone or dimethyl ketone) is an organic compound with the formula (CH 3) 2 CO. [22] It is the simplest and smallest ketone (>C=O).It is a colorless, highly volatile, and flammable liquid with a characteristic pungent odour, very reminiscent of the smell of pear drops.
It is prepared by the aldol condensation of acetone to give diacetone alcohol, which readily dehydrates to give this compound. [4] [5] Phorone and isophorone may be formed under the same conditions. Isophorone originates via a Michael addition: Phorone is formed by continued aldol condensation:
Acetone and acetic anhydride ((CH 3 C(O)) 2 O) upon the addition of boron trifluoride (BF 3) catalyst: [11] (CH 3 C(O)) 2 O + CH 3 C(O)CH 3 → CH 3 C(O)CH 2 C(O)CH 3 A second synthesis involves the base-catalyzed condensation (e.g., by sodium ethoxide CH 3 CH 2 O − Na + ) of acetone and ethyl acetate , followed by acidification of the sodium ...
Vapor-liquid Equilibrium of Acetone/Ethanol [4] P = 760 mm Hg BP Temp. °C % by mole acetone liquid vapor 78.3: 0: 0 76.4: 3.3: 11.1 74.0: 7.8: 21.6 70.8: 14.9: 34.5 ...
Sigma-Aldrich (formally MilliporeSigma) [5] [6] is an American chemical, life science, and biotechnology company owned by the multinational chemical conglomerate Merck Group Sigma-Aldrich was created in 1975 by the merger of Sigma Chemical Company and Aldrich Chemical Company.
Deuterated acetone is prepared by the reaction of acetone with heavy water, 2 H 2 O or D 2 O, in the presence of a base. In this case, the base used is deuterated lithium hydroxide : [ 1 ] In order to fully deuterate the acetone, the process is repeated several times, distilling off the acetone from the heavy water, and re-running the reaction ...
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