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单词 propene
释义

propenen.

Brit. /ˈprəʊpiːn/, U.S. /ˈproʊˌpin/
Origin: A borrowing from German. Etymon: German Propen.
Etymology: < German Propen (A. W. Hofmann 1866, in Monatsbericht der Königl. Preuss. Akad. der Wissenschaften zu Berlin, 1865 653) < Prop- (in Propyl propyl n.) + -en -ene comb. form. Compare earlier propylene n.
Chemistry.
A gaseous hydrocarbon of the alkene series. Also called propylene.Formula: CH2=CHCH3.
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the world > matter > chemistry > organic chemistry > hydrocarbons > [noun] > alkenes > straight-chained, by number of carbon atoms > three
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1867 A. W. Hofmann in Proc. Royal Soc. 1866–7 15 58 According to this principle the following names are formed:..Propene, (C3 H6)″.
1924 Science July 23/2 The action of hydrogen bromide on propene gives mixtures running all the way from nearly pure n-propyl to nearly pure isopropyl bromide.
1964 N. G. Clark Mod. Org. Chem. vi. 101 Propene..is best prepared in the laboratory..by dehydrating isopropyl alcohol over alumina at 300°.
2000 Jrnl. Physical Chem. A. 104 577/1 The reactions of Br atoms with ethene, propene, and trans-2-butene have been reported.
This entry has been updated (OED Third Edition, June 2007; most recently modified version published online March 2022).
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n.1867
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