“ethanal”的英文意思_释义_用法

单词

ethanal

释义

ethanal, n. Chem.|ˈɛθənæl|
[f. ethane n. + -al².]
= acetaldehyde n.
1892Proc. Chem. Soc. 8 July 128 As ol is indicative of an OH derivative, there seems no reason why the simple word acid should not connote carboxyl, and why al should not connote COH ; the names ethanol ethanal and ethanoic acid or simply ethane acid would then stand for the OH , COH and COOH derivatives of ethane.1894G. M'Gowan tr. Bernthsen's Text-bk. Org. Chem. (ed. 2) ii. v. 147 Acetic aldehyde (ethanal).1966J. W. Buttle et al. Chemistry xxiv. 453 Ethanal is used in the manufacture of ethanoic (acetic) acid, D.D.T. and various drugs.1978P. W. Atkins Physical Chem. xix. 625 In the case of acetaldehyde (ethanal), the methyl and aldehyde protons are separated by about 6.9 p.p.m.1983Norman & Waddington Mod. Org. Chem. (ed. 4) xii. 186 Pour 1–2cm³ of ethanal into a test-tube and place the tube in a beaker containing an ice-salt freezing mixture.

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