Alkanes


General Formula


CnH2n+2


List of Alkanes
Number of Carbon Atoms Name of Straight Chain Molecular Formula Number of Isomers
1 Methane CH4 1
2 Ethane C2H6 1
3 Propane C3H8 1
4 Butane C4H10 2
5 Pentane C5H12 3
6 Hexane C6H14 5
7 Heptane C7H16 9
8 Octane C8H18 18
9 Nonane C9H20 35
10 Decane C10H22 75
11 Undecane C11H24 159
12 Dodecane C12H26 355
13 Tridecane C13H28 802
14 Tetradecane C14H30 1 858
15 Pentadecane C15H32 4 347
16 Hexadecane C16H34 10 359
17 Heptadecane C17H36 24 894
18 Octadecane C18H38 60 523
19 Nonadecane C19H40 148 284
20 Icosane C20H42 366 319
21 Henicosane C21H44 910 726
22 Docosane C22H46 2 278 658
23 Tricosane C23H48 5 731 580
24 Tetracosane C24H50 14 490 245
25 Pentacosane C25H52 36 797 588
26 Hexacosane C26H54 93 839 412
27 Heptacosane C27H56 240 215 803
28 Octacosane C28H58 617 105 614
29 Nonacosane C29H60 1 590 507 121
30 Triacontane C30H62 4 111 846 763
31 Hentriacontane C31H64 10 660 307 791
32 Dotriacontane C32H66 27 711 253 769
33 Tritriacontane C33H68 72 214 088 660
34 Tetratriacontane C34H70 188 626 236 139
35 Pentatriacontane C35H72 493 782 952 902
36 Hexatriacontane C36H74 1 295 297 588 128
37 Heptatriacontane C37H76 3 404 490 780 161
38 Octatriacontane C38H78 8 964 747 474 595
39 Nonatriacontane C39H80 23 647 478 933 969
40 Tetracontane C40H82 62 481 801 147 341
41 Hentetracontane C41H84 165 351 455 535 782
42 Dotetracontane C42H86 438 242 894 769 226
43 Tritetracontane C43H88 1 163 169 707 886 427
44 Tetratetracontane C44H90 3 091 461 011 836 856
45 Pentatetracontane C45H92 8 227 162 372 221 203
46 Hexatetracontane C46H94 21 921 834 086 683 418
47 Heptatetracontane C47H96 58 481 806 621 987 010
48 Octatetracontane C48H98 156 192 366 474 590 639
49 Nonatetracontane C49H100 417 612 400 765 382 272
50 Pentacontane C50H102 1 117 743 651 746 953 270
51 Henpentacontane C51H104 2 994 664 179 967 370 611
52 Dopentacontane C52H106 8 031 081 780 535 296 591
53 Tripentacontane C53H108 2.155 777 191 357 26 × 1019
54 Tetrapentacontane C54H110 5.791 918 087 314 84 × 1019
55 Pentapentacontane C55H112 1.557 454 318 575 50 × 1020
56 Hexapentacontane C56H114 4.191 495 711 934 12 × 1020
57 Heptapentacontane C57H116 1.128 939 578 361 33 × 1021
58 Octapentacontane C58H118 3.043 043 571 906 83 × 1021
59 Nonapentacontane C59H120 8.208 615 366 863 75 × 1021
60 Hexacontane C60H122 2.215 873 453 577 04 × 1022
61 Henhexacontane C61H124 5.985 809 784 770 69 × 1022
62 Dohexacontane C62H126 1.618 057 253 492 97 × 1022
63 Trihexacontane C63H128 4.376 716 915 261 59 × 1023
64 Tetrahexacontane C64H130 1.184 616 185 385 31 × 1024
65 Pentahexacontane C65H132 3.208 285 066 181 48 × 1024
66 Hexahexacontane C66H134 8.694 130 712 024 87 × 1024
67 Heptahexacontane C67H136 2.357 379 613 444 82 × 1025
68 Octahexacontane C68H138 6.395 515 952 734 81 × 1025
69 Nonahexacontane C69H140 1.736 030 073 939 50 × 1026
70 Heptacontane C70H142 4.714 847 985 153 30 × 1026
71 Henheptacontane C71H144 1.281 151 315 764 64 × 1027
72 Doheptacontane C72H146 3.482 965 749 140 69 × 1027
73 Triheptacontane C73H148 9.473 447 386 804 49 × 1027
74 Tetraheptacontane C74H150 2.577 930 623 895 44 × 1028
75 Pentaheptacontane C75H152 7.018 321 151 221 41 × 1028
76 Hexaheptacontane C76H154 1.911 563 813 932 49 × 1029
77 Heptaheptacontane C77H156 5.208 741 952 489 07 × 1029
78 Octaheptacontane C78H158 1.419 908 915 343 95 × 1030
79 Nonaheptacontane C79H160 3.872 282 575 137 01 × 1030
80 Octacontane C80H162 1.056 447 690 694 67 × 1031
81 Henoctacontane C81H164 2.883 360 943 627 73 × 1031
82 Dooctacontane C82H166 7.872 558 546 439 10 × 1031
83 Trioctacontane C83H168 2.150 278 094 747 97 × 1032
84 Tetraoctacontane C84H170 5.875 317 238 265 77 × 1032
85 Pentaoctacontane C85H172 1.605 913 778 494 71 × 1033
86 Hexaoctacontane C86H174 4.391 002 908 093 32 × 1033
87 Heptaoctacontane C87H176 1.201 025 790 775 69 × 1034
88 Octaoctacontane C88H178 3.286 129 555 812 09 × 1034
89 Nonaoctacontane C89H180 8.994 095 902 489 16 × 1034
90 Nonacontane C90H182 2.462 451 502 428 21 × 1035
91 Hennonacontane C91H184 6.743 916 062 979 83 × 1035
92 Dononacontane C92H186 1.847 515 048 012 61 × 1036
93 Trinonacontane C93H188 5.062 818 112 121 16 × 1036
94 Tetranonacontane C94H190 1.387 785 752 958 45 × 1037
95 Pentanonacontane C95H192 3.805 183 607 080 38 × 1037
96 Hexanonacontane C96H194 1.043 636 645 610 59 × 1038
97 Heptanonacontane C97H196 2.863 129 768 368 50 × 1038
98 Octanonacontane C98H198 7.856 847 598 530 88 × 1038
99 Nonanonacontane C99H200 2.156 596 319 845 08 × 1039
100 Hectane C100H202 5.921 072 038 125 81 × 1039
101 Henihectane C101H204 1.626 075 001 433 37 × 1040
102 Dohectane C102H206 4.466 706 316 872 68 × 1040
103 Trihectane C103H208 1.227 266 101 954 26 × 1041
104 Tetrahectane C104H210 3.372 815 389 637 52 × 1041
105 Pentahectane C105H212 9.271 434 415 422 80 × 1041
106 Hexahectane C106H214 2.549 176 520 305 91 × 1042
107 Heptahectane C107H216 7.010 510 656 300 88 × 1042
108 Octahectane C108H218 1.928 387 733 611 02 × 1043
109 Nonahectane C109H220 5.305 572 781 010 59 × 1043
110 Decahectane C110H222 1.460 029 725 243 13 × 1044
111 Undecahectane C111H224 4.018 657 241 905 09 × 1044
112 Dodecahectane C112H226 1.106 339 625 432 22 × 1045
113 Tridecahectane C113H228 3.046 369 875 968 51 × 1045
114 Tetradecahectane C114H230 8.389 999 420 170 75 × 1045
115 Pentadecahectane C115H232 2.311 132 659 301 18 × 1046
116 Hexadecahectane C116H234 6.367 515 546 736 01 × 1046
117 Heptadecahectane C117H236 1.754 671 959 600 63 × 1047
118 Octadecahectane C118H238 4.836 166 718 988 32 × 1047
119 Nonadecahectane C119H240 1.333 167 312 321 42 × 1048
120 Icosahectane C120H242 3.675 740 183 950 43 × 1048