The following is a list of straight-chain alkanes, the total number of isomers of each (including branched chains), and their common names, sorted by number of carbon atoms.
Number of C atoms Number of isomers Number of isomers including stereoisomers Molecular Formula Name of straight chain Synonyms 1 1 1 methane methyl hydride; natural gas 2 1 1 ethane dimethyl; ethyl hydride; methyl methane 3 1 1 propane dimethyl methane; propyl hydride 4 2 2 n-butane butyl hydride; methylethyl methane 5 3 3 n-pentane amyl hydride; Skellysolve A 6 5 5 n-hexane dipropyl; Gettysolve-B; hexyl hydride; Skellysolve B 7 9 11 n-heptane dipropyl methane; Gettysolve-C; heptyl hydride; Skellysolve C 8 18 24 n-octane dibutyl; octyl hydride 9 35 55 n-nonane nonyl hydride; Shellsol 140 10 75 136 n-decane decyl hydride 11 159 345 n-undecane hendecane 12 355 900 n-dodecane adakane 12; bihexyl; dihexyl; duodecane 13 802 n-tridecane 14 n-tetradecane 15 n-pentadecane 16 n-hexadecane cetane 17 n-heptadecane 18 n-octadecane 19 n-nonadecane 20 n-eicosane didecyl; icosane 21 n-heneicosane henicosane; uneicosane 22 n-docosane 23 n-tricosane 24 n-tetracosane 25 n-pentacosane 26 n-hexacosane cerane 27 n-heptacosane 28 n-octacosane 29 n-nonacosane 30 n-triacontane 31 n-hentriacontane untriacontane 32 n-dotriacontane dicetyl 33 n-tritriacontane 34 n-tetratriacontane 35 n-pentatriacontane 36 n-hexatriacontane 37 n-heptatriacontane 38 n-octatriacontane 39 n-nonatriacontane 40 n-tetracontane 41 n-hentetracontane 42 n-dotetracontane 43 n-tritetracontane 44 n-tetratetracontane 45 n-pentatetracontane 46 n-hexatetracontane 47 n-heptatetracontane 48 n-octatetracontane 49 n-nonatetracontane 50 n-pentacontane 51 n-henpentacontane 52 n-dopentacontane 53 n-tripentacontane 54 n-tetrapentacontane 55 n-pentapentacontane 56 n-hexapentacontane 57 n-heptapentacontane 58 n-octapentacontane 59 n-nonapentacontane 60 n-hexacontane 61 n-henhexacontane 62 n-dohexacontane 63 n-trihexacontane 64 n-tetrahexacontane 65 n-pentahexacontane 66 n-hexahexacontane 67 n-heptahexacontane 68 n-octahexacontane 69 n-nonahexacontane 70 n-heptacontane 71 n-henheptacontane 72 n-doheptacontane 73 n-triheptacontane 74 n-tetraheptacontane 75 n-pentaheptacontane 76 n-hexaheptacontane 77 n-heptaheptacontane 78 n-octaheptacontane 79 n-nonaheptacontane 80 n-octacontane 81 n-henoctacontane 82 n-dooctacontane 83 n-trioctacontane 84 n-tetraoctacontane 85 n-pentaoctacontane 86 n-hexaoctacontane 87 n-heptaoctacontane 88 n-octaoctacontane 89 n-nonaoctacontane 90 n-nonacontane 91 n-hennonacontane 92 n-dononacontane 93 n-trinonacontane 94 n-tetranonacontane 95 n-pentanonacontane 96 n-hexanonacontane 97 n-heptanonacontane 98 n-octanonacontane 99 n-nonanonacontane 100 n-hectane 101 n-henhectane 102 n-dohectane 103 n-trihectane 104 n-tetrahectane 105 n-pentahectane 106 n-hexahectane 107 n-heptahectane 108 n-octahectane 109 n-nonahectane 110 n-decahectane 111 n-undecahectane 112 n-dodecahectane 113 n-tridecahectane 114 n-tetradecahectane 115 n-pentadecahectane 116 n-hexadecahectane 117 n-heptadecahectane 118 n-octadecahectane 119 n-nonadecahectane 120 n-eicosahectane
See also Higher alkane List of compounds with carbon numbers 50+
References