单词	acetylacetone
释义	acetylacetone noun ace·​tyl·​ac·​e·​tone ə-ˈsē-tᵊl-ˈa-sə-ˌtōn, ˈa-sə-tᵊl-, ˈa-sə-ˌtēl- plural -s : a colorless liquid diketone of pleasant odor known in two forms [keto form CH3COCH2COCH3 and enol form CH3COCHC(OH)CH3] made in various ways (as by the reaction of sodium with acetone and ethyl acetate); 2,4-pentanedione Word History Etymology International Scientific Vocabulary acetyl + acetone First Known Use 1887, in the meaning defined above
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