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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.
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 ...
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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:
Triamcinolone acetonide, also known as 9α-fluoro-16α-hydroxyprednisolone 16α,17α-acetonide or as 9α-fluoro-11β,16α-17α,21-tetrahydroxypregna-1,4-diene-3,20-dione cyclic 16,17-acetal with acetone, is a synthetic halogenated cyclic ketal pregnane corticosteroid. [27] It is the C16α,17α acetonide of triamcinolone. [27]
Acetic anhydride, or ethanoic anhydride, is the chemical compound with the formula (CH 3 CO) 2 O.Commonly abbreviated Ac 2 O, it is the simplest isolable anhydride of a carboxylic acid and is widely used as a reagent in organic synthesis.
Arsine (Unit:ml/ml) AsH 3: 0.2: B. Substance Formula 0 °C 10 °C 20 °C 30 °C 40 °C 50 °C 60 °C 70 °C 80 °C 90 °C 100 °C Barium acetate: Ba(C 2 H 3 O 2) 2:
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