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acetylacetonate

noun
ace·​tyl·​ac·​e·​ton·​ate | \ə-ˈsē-tᵊl-ˈa-sə(ˌ)-tō-ˌnāt, ˈa-sə-tᵊl-, ˈa-sə-ˌtēl-;-sə-tə-\
plural -s

Definition of acetylacetonate 

: a metallic derivative of the enol form of acetylacetone

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First Known Use of acetylacetonate

1887, in the meaning defined above

History and Etymology for acetylacetonate

acetylacetone + -ate

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The first known use of acetylacetonate was in 1887

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