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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.
Vapor pressure of acetone based on formula, = + from Lange's Handbook of Chemistry, 10th ed. vapor pressure of acetone (log scale) based on formula, log 10 P m m H g = 7.02447 − 1161.0 224 + T {\displaystyle \scriptstyle \log _{10}P_{mmHg}=7.02447-{\frac {1161.0}{224+T}}} from Lange's Handbook of Chemistry , 10th ed.
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 ...
pKa values for acetic, chloroacetic, dichloroacetic and trichloroacetic acids. Inductive effects and mesomeric effects affect the pK a values. A simple example is provided by the effect of replacing the hydrogen atoms in acetic acid by the more electronegative chlorine atom.
Isophorone, derived from acetone, is an unsaturated, asymmetrical ketone that is the precursor to other polymers. Muscone , 3-methylpentadecanone, is an animal pheromone . Another cyclic ketone is cyclobutanone , having the formula (CH 2 ) 3 CO .
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