单词	acetone
释义	acetone /ˈasɪtəʊn / noun [mass noun] Chemistry A colourless volatile liquid ketone made by oxidizing isopropanol, used as an organic solvent and synthetic reagent. Alternative name: propanone; chemical formula: CH3COCH3. Solvents permitted in the UK for extraction include acetone, hexane, ethyl acetate, ethyl alcohol, and carbon dioxide.... Ketones are extensively used as solvents, with acetone being the most well known example. These may contain solvents such as toluene, isopropryl alcohol, ethyl and butyl acetates, acetone and other ketones. Origin Mid 19th century: from acetic acid + -one.
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