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Butanone, also known as methyl ethyl ketone (MEK) or ethyl methyl ketone, [a] is an organic compound with the formula CH 3 C(O)CH 2 CH 3. This colorless liquid ketone has a sharp, sweet odor reminiscent of acetone .
Liquid properties Std enthalpy change of formation, Δ f H o liquid –273.3 kJ/mol Standard molar entropy, S o liquid: 239.0 J/(mol K) Enthalpy of combustion, Δ c H o –2444.2 kJ/mol Heat capacity, c p: 158.4 J/(mol K) Gas properties Std enthalpy change of formation, Δ f H o gas –238.5 kJ/mol Standard molar entropy, S o gas: 310 J/(mol K ...
For example, the density of liquid butane is 571.8±1 kg/m 3 (for pressures up to 2 MPa and temperature 27±0.2 °C), while the density of liquid butane is 625.5±0.7 kg/m 3 (for pressures up to 2 MPa and temperature −13±0.2 °C).
Liquid properties Std enthalpy change of formation, Δ f H o liquid-147.6 kJ/mol Standard molar entropy, S o liquid: 229.7 J/(mol K) Heat capacity, c p: 132.42 J/(mol K) –262 °C to –3 °C Gas properties Std enthalpy change of formation, Δ f H o gas –124.7 kJ/mol Standard molar entropy, S o gas: 310.23 J/(mol K) Enthalpy of combustion ...
Its main uses are in the production of high-octane gasoline (petrol) on alkylation units and butadiene, [4] although some but-2-ene is also used to produce the solvent butanone via hydration reaction to butan-2-ol followed by oxidation.
Butyraldehyde undergoes reactions typical of alkyl aldehydes, and these define many of the uses of this compound.Important reactions include hydrogenation to the alcohol, oxidation to the acid, and base-catalyzed condensation.
Liquid pimple patches are best used on emerging pimples (i.e., not on a whitehead or pustule). When things come to the surface, hydrocolloid patches are the best way to extract them, Kim says. And ...
Acetoin is a neutral, four-carbon molecule used as an external energy store by a number of fermentative bacteria. It is produced by the decarboxylation of alpha-acetolactate, a common precursor in the biosynthesis of branched-chain amino acids.