A-2 APPENDⅨX1 TABLE A Selected Physical Properties of Representative Hydrocarbons ( Continued) Boiling Molecular Structural Compound name formula point,° CH3CH2 CH2CH=CH 138.0 2-Methyl-2-butene 5H10 (CH3)2C=CHCH3 134.1 Cyclohexene 104.0 83.1 ChI CH CHCHCH=CH 138.0 2, 3-Dimethyl-2-butene C6H12 (CHa)2O C-C(cH3)2 73.5 ene CaH CH3(CH,)4CH=CH 1-Octene CH3(CH2)5CH=CH 119.2 CH3(CH2)7CH=CH 80.0 172.0 Ethyne(acetylene HC≡CH -81.8 84.0 Propyne CHC≡CH 15 -23.2 1-Butyne CH3CH2C≡CH 125.9 2-Butyne 32.3 1-Hexyne CH3(CH2)3C≡CH 132 3,3-DimethyI-1-butyne 1-Octyne CH3(CH2)5C≡CH 26.2 1-Nonyn CH3(CH2)6C≡CH 60.6 CH3(CH2)C≡CH Arenes Benzene 5.5 Toluene 1106 Styrene C8H8 CH=C p-Xylene H -CH3 Ethylbenzene 一CH2CH3 Naphthalene C 80.3 218 Diphenylmethane C13H12 Hs)2CH Triphenylmethane C1gH16(C6H5)3CH Forward Main Menu TOC Study Guide Toc Student OLCMHHE WebsiteA-2 APPENDIX 1 Molecular formula C2H2 C3H4 C4H6 C4H6 C6H10 C6H10 C8H14 C9H16 C10H18 C6H10 C5H10 C5H10 C6H12 C6H12 C7H14 C8H16 C10H20 C6H6 C7H8 C8H8 C8H10 C8H10 C10H8 C13H12 C19H16 Melting point, °C 81.8 101.5 125.9 32.3 132.4 78.2 79.6 36.0 40.0 104.0 138.0 134.1 138.0 74.6 119.7 104 80.0 5.5 95 33 13 94 80.3 26 94 Boiling point, °C (1 atm) 84.0 23.2 8.1 27.0 71.4 37.7 126.2 160.6 182.2 83.1 30.2 38.4 63.5 73.5 94.9 119.2 172.0 80.1 110.6 145 138 136.2 218 261 Compound name Alkynes Ethyne (acetylene) Propyne 1-Butyne 2-Butyne 1-Hexyne 3,3-Dimethyl-1-butyne 1-Octyne 1-Nonyne 1-Decyne Cyclohexene 1-Pentene 2-Methyl-2-butene 1-Hexene 2,3-Dimethyl-2-butene 1-Heptene 1-Octene 1-Decene Arenes Benzene Toluene Styrene p-Xylene Ethylbenzene Naphthalene Diphenylmethane Triphenylmethane Structural formula HCPCH CH3CPCH CH3CH2CPCH CH3CPCCH3 CH3(CH2)3CPCH (CH3)3CCPCH CH3(CH2)5CPCH CH3(CH2)6CPCH CH3(CH2)7CPCH CH3CH2CH2CHœCH2 (CH3)2CœCHCH3 CH3CH2CH2CH2CHœCH2 (CH3)2CœC(CH3)2 CH3(CH2)4CHœCH2 CH3(CH2)5CHœCH2 CH3(CH2)7CHœCH2 (C6H5)2CH2 (C6H5)3CH CH3 CH CH2 H3C CH3 CH2CH3 TABLE A Selected Physical Properties of Representative Hydrocarbons (Continued)