| 单词 | methyl ethyl ketone |
| 释义 | > as lemmasmethyl ethyl ketone methyl ethyl ketone n. butanone, CH3CH2COCH3; abbreviated MEK. ΘΚΠ the world > matter > chemistry > organic chemistry > ketones > [noun] > used as solvents mesityl oxide1868 methyl ethyl ketone1876 methyl isobutyl ketone1888 MEK1930 hexone1938 1876 Jrnl. Chem. Soc. 29 897 By the reduction of methyl-ethyl ketone, pinacone C8H18O is obtained. 1938 H. P. Starck Princ. Org. Chem. vii. 186 Methyl ethyl ketone was formerly used as a solvent in the preparation of cordite from gun cotton and nitroglycerine. 1959 Times Rev. Industry Aug. 98/1 Methylethylketone for removing waxy materials. 1992 Earth Matters Autumn 2/1 Two plants..are releasing more of the toxic chemicals xylene, benzene and methyl ethyl ketone to water than 26,000 US firms combined! < as lemmas |
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