butyne Chem.
(ˈbjuːtaɪn)
[altered form of butine: see -yne.]
Either of the two isomers CH3·CH2·C{vddd}CH and CH3·C{vddd}C·CH3 (also called crotonylene) of the hydrocarbon C4H6. (Formerly called butine.)
| 1935 Proc. Indiana Acad. Sci. XLIV. 148 Ethyl sulphate reacts vigorously with calcium acetylide in ammonia and gives a theoretical yield of pure butyne-1. 1951 A. W. Johnson in E. H. Rodd Chem. Carbon Compounds Ia. ii. 264 The acetylenic hydrocarbons are isomeric with the corresponding diolefines, e.g. propyne (allylene)..is isomeric with allene and butyne with butadiene. |