词条	Boiling points of alkenes and alkynes
释义	Boiling points of alkenes and alkynes Table Boiling points of alkenes and alkynes name formula boiling point (&\\#x00b0;C) ethylene CH2 d;CH2 −103.7 acetylene HC≡CH −84.0 propene CH2 d;CHCH3 −47.6 propyne HC≡CCH3 −23.2 1-butene CH2 d;CHCH2CH3 −6.1 cis-2-butene cis-CH3CH d;CHCH3 b;3.7 trans-2-butene trans-CH3CH d;CHCH3 b;0.9 2-methylpropene CH2 d;C(CH3)2 −6.6 1-butyne HC≡CCH2CH3 b;8.1 2-butyne CH3C≡CCH3 b;27.0 1-pentene CH2 d;CHCH2CH2CH3 b;30.2 1-pentyne HC≡CCH2CH2CH3 b;40.2 See as table:
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