acetonylacetone

noun
ac·e·ton·yl·ac·e·tone | \ˈa-sə-(ˌ)tō-ˌnil-ˈa-sə-ˌtōn, ə-ˈse-tə-\
plural -s

Definition of acetonylacetone 

: a mobile fragrant liquid diketone (CH3COCH2)2 obtained by hydrolysis of 2,5-dimethyl-furan and in other ways; 2,5-hexane-dione

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First Known Use of acetonylacetone

1884, in the meaning defined above

History and Etymology for acetonylacetone

International Scientific Vocabulary acetonyl + acetone

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The first known use of acetonylacetone was in 1884

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