butanoicadj.
/ˌbjuːtəˈnəʊɪk/, U.S. /ˌbjudəˈnoʊɪk/ Chemistry.
butanoic acid n. a syrupy liquid fatty acid present in rancid butter, cod liver oil, and other oils; also called butyric acid.Formula: CH3(CH2)2COOH.
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the world > matter > chemistry > organic chemistry > organic acids > [noun] > monobasic acids, named
butyric acid1826
oxaluric acid1838
oxamic acid1855
thebolactic acid1874
chondrosine1886
hydroxyl acid1886
butanoic acid1933
1933 Jrnl. Amer. Chem. Soc. 55 3916 CH3CH2CH2CO2H butanoic acid.
1978 G. C. Hill & J. S. Holman Chem. in Context xxxi. 487 The C4 to C8 acids (butanoic to octanoic) have very strong, unpleasant odours.
1996 H. W. Paul Sci., Vine, & Wine in Mod. France vi. 160 Butyric or butanoic acid has a rancid odor; the esters of this weak acid..are useful in making flavorings and perfumes.
2015 N.-E. Choi & J. H. Han How Flavor Works 179 Parmesan cheese and vomited undigested food are both full of butanoic acid, but we react differently according to the information we are provided with.
This entry has been updated (OED Third Edition, September 2018; most recently modified version published online December 2021).
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adj.1933