ace·​tyl·​ac·​e·​tone | \ ə-ˈsē-tᵊl-ˈa-sə-ˌtōn, ˈa-sə-tᵊl-, ˈa-sə-ˌtēl- \
plural -s

Definition of acetylacetone

: 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

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First Known Use of acetylacetone

1887, in the meaning defined above

History and Etymology for acetylacetone

International Scientific Vocabulary acetyl + acetone

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The first known use of acetylacetone was in 1887

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Cite this Entry

“Acetylacetone.” Dictionary, Merriam-Webster, Accessed 20 Jan. 2021.

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