pentanone

noun

pen·ta·none | \ ˈpentəˌnōn\

plural -s

Definition of pentanone

: either of two isomeric flammable liquid ketones derived from normal pentane:

a : the unsymmetrical compound CH₃CH₂CH₂COCH₃

— called also methyl propyl ketone, 2-pentanone

b : the symmetrical compound (C₂H₅)₂CO obtainable from propionic acid

— called also diethyl ketone, 3-pentanone, propione

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