List of straight-chain alkanes

Last updated

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. [1] [2]

Number of C atomsNumber of isomers [3] [4] Number of isomers including stereoisomers [3] [5] Molecular FormulaName of straight chainSynonyms
111CH4 methane methyl hydride; natural gas
211C2H6 ethane dimethyl; ethyl hydride; methyl methane
311C3H8 propane dimethyl methane; propyl hydride
422C4H10n-butane butyl hydride; methylethyl methane
533C5H12n-pentane amyl hydride; Skellysolve A
655C6H14n-hexane dipropyl; Gettysolve-B; hexyl hydride; Skellysolve B
7911C7H16n-heptane dipropyl methane; Gettysolve-C; heptyl hydride; Skellysolve C
81824C8H18n-octane dibutyl; octyl hydride
93555C9H20n-nonane nonyl hydride; Shellsol 140
1075136C10H22n-decane decyl hydride
11159345C11H24n-undecane hendecane
12355900C12H26n-dodecane adakane 12; bihexyl; dihexyl; duodecane
138022412C13H28n-tridecane
1418586563C14H30n-tetradecane
15434718127C15H32n-pentadecane
161035950699C16H34n-hexadecane cetane
1724894143255C17H36n-heptadecane
1860523408429C18H38n-octadecane
191482841173770C19H40n-nonadecane
203663193396844C20H42n-eicosane didecyl; icosane
219107269892302C21H44n-heneicosane henicosane; uneicosane
22227865828972080C22H46n-docosane
23573158085289390C23H48n-tricosane
2414490245252260276C24H50n-tetracosane
2536797588749329719C25H52n-pentacosane
26938394122234695030C26H54n-hexacosane cerane
272402158036688893605C27H56n-heptacosane
2861710561420089296554C28H58n-octacosane
29159050712160526543480C29H60n-nonacosane
304111846763182896187256C30H62n-triacontane
3110660307791554188210352C31H64n-hentriacontane untriacontane
32277112537691683557607211C32H66n-dotriacontane dicetyl
33722140886605126819371356C33H68n-tritriacontane
3418862623613915647855317080C34H70n-tetratriacontane
3549378295290247862049187447C35H72n-pentatriacontane
361295297588128146691564302648C36H74n-hexatriacontane
373404490780161450451875783866C37H76n-heptatriacontane
3889647474745951385724615285949C38H78n-octatriacontane
39236474789339694270217915878409C39H80n-nonatriacontane
406248180114734113180446189326135C40H82n-tetracontane
4116535145553578240745751356421890C41H84n-hentetracontane
42438242894769226126146261761339138C42H86n-dotetracontane
431163169707886427391089580997271932C43H88n-tritetracontane
4430914610118368561214115357550059889C44H90n-tetratetracontane
4582271623722212033773978539594435261C45H92n-pentatetracontane
46219218340866834181.17454674499017×1019C46H94n-hexatetracontane
47584818066219870103.65973634249825×1019C47H96n-heptatetracontane
481561923664745906391.14160680977903×1020C48H98n-octatetracontane
494176124007653822723.56492605035317×1020C49H100n-nonatetracontane
5011177436517469532701.11437894744930×1021C50H102n-pentacontane
5129946641799673706113.48695195511947×1021C51H104n-henpentacontane
5280310817805352965911.09212674104354×1022C52H106n-dopentacontane
532.15577719135726×10193.42372129990732×1022C53H108n-tripentacontane
545.79191808731484×10191.07425456458975×1023C54H110n-tetrapentacontane
551.55745431857550×10203.37353654348452×1023C55H112n-pentapentacontane
564.19149571193412×10201.06027803437626×1024C56H114n-hexapentacontane
571.12893957836133×10213.33501408819192×1024C57H116n-heptapentacontane
583.04304357190683×10211.04980159528436×1025C58H118n-octapentacontane
598.20861536686375×10213.30702230705762×1025C59H120n-nonapentacontane
602.21587345357704×10221.04250134336061×1026C60H122n-hexacontane
615.98580978477069×10223.28863382009164×1026C61H124n-henhexacontane
621.61805725349297×10231.03811173709570×1027C62H126n-dohexacontane
634.37671691526159×10233.27908841257682×1027C63H128n-trihexacontane
641.18461618538531×10241.03641522884615×1028C64H130n-tetrahexacontane
653.20828506618148×10243.27776398697850×1028C65H132n-pentahexacontane
668.69413071202487×10241.03723411195159×1029C66H134n-hexahexacontane
672.35737961344482×10253.28415364073692×1029C67H136n-heptahexacontane
686.39551595273481×10251.04042406553793×1030C68H138n-octahexacontane
691.73603007393950×10263.29784745978795×1030C69H140n-nonahexacontane
704.71484798515330×10261.04586901217870×1031C70H142n-heptacontane
711.28115131576464×10273.31851797512264×1031C71H144n-henheptacontane
723.48296574914069×10271.05347699979053×1032C72H146n-doheptacontane
739.47344738680449×10273.34590848928408×1032C73H148n-triheptacontane
742.57793062389544×10281.06317688936105×1033C74H150n-tetraheptacontane
757.01832115122141×10283.37982367012913×1033C75H152n-pentaheptacontane
761.91156381393249×10291.07491568187130×1034C76H154n-hexaheptacontane
775.20874195248907×10293.42012195021483×1034C77H156n-heptaheptacontane
781.41990891534395×10301.08865635628610×1035C78H158n-octaheptacontane
793.87228257513701×10303.46670937556328×1035C79H160n-nonaheptacontane
801.05644769069467×10311.10437611939016×1036C80H162n-octacontane
812.88336094362773×10313.51953462699296×1036C81H164n-henoctacontane
827.87255854643910×10311.12206499012211×1037C82H166n-dooctacontane
832.15027809474797×10323.57858499756067×1037C83H168n-trioctacontane
845.87531723826577×10321.14172465774427×1038C84H170n-tetraoctacontane
851.60591377849471×10333.64388315587311×1038C85H172n-pentaoctacontane
864.39100290809332×10331.16336756600997×1039C86H174n-hexaoctacontane
871.20102579077569×10343.71548456067735×1039C87H176n-heptaoctacontane
883.28612955581209×10341.18701618541837×1040C88H178n-octaoctacontane
898.99409590248916×10343.79347541983580×1040C89H180n-nonaoctacontane
902.46245150242821×10351.21270244338682×1041C90H182n-nonacontane
916.74391606297983×10353.87797110845861×1041C91H184n-hennonacontane
921.84751504801261×10361.24046728824609×1042C92H186n-dononacontane
935.06281811212116×10363.96911497803001×1042C93H188n-trinonacontane
941.38778575295845×10371.27036036776471×1043C94H190n-tetranonacontane
953.80518360708038×10374.06707750189460×1043C95H192n-pentanonacontane
961.04363664561059×10381.30243980672744×1044C96H194n-hexanonacontane
972.86312976836850×10384.17205571326637×1044C97H196n-heptanonacontane
987.85684759853088×10381.33677207115080×1045C98H198n-octanonacontane
992.15659631984508×10394.28427290059784×1045C99H200n-nonanonacontane
1005.92107203812581×10391.37343190918329×1047C100H202n-hectane
1011.62607500143337×1040C101H204n-henhectane
1024.46670631687268×1040C102H206n-dohectane
1031.22726610195426×1041C103H208n-trihectane
1043.37281538963752×1041C104H210n-tetrahectane
1059.27143441542280×1041C105H212n-pentahectane
1062.54917652030591×1042C106H214n-hexahectane
1077.01051065630088×1042C107H216n-heptahectane
1081.92838773361102×1043C108H218n-octahectane
1095.30557278101059×1043C109H220n-nonahectane
1101.46002972524313×1044C110H222n-decahectane
1114.01865724190509×1044C111H224n-undecahectane
1121.10633962543222×1045C112H226n-dodecahectane
1133.04636987596851×1045C113H228n-tridecahectane
1148.38999942017075×1045C114H230n-tetradecahectane
1152.31113265930118×1046C115H232n-pentadecahectane
1166.36751554673601×1046C116H234n-hexadecahectane
1171.75467195960063×1047C117H236n-heptadecahectane
1184.83616671898832×1047C118H238n-octadecahectane
1191.33316731232142×1048C119H240n-nonadecahectane
1203.67574018395043×1048C120H242n-eicosahectane

See also

References

  1. "organic chemistry - How to determine number of structural isomers?". Stack Exchange . Retrieved 29 March 2019.
  2. "Paraffins - Rosetta Code". rosettacode.org. 13 January 2019. Retrieved 29 March 2019.
  3. 1 2 Fujita, Shinsaku (2007). "Alkanes as Stereoisomers. Enumeration by the Combination of Two Dichotomies for Three-Dimensional Trees" (PDF). MATCH Commun. Math. Comput. Chem. 57 (2): 328 (PDF p. 30). ISSN   0340-6253 . Retrieved 29 March 2019.
  4. Sloane, N. J. A. (ed.). "SequenceA000602". The On-Line Encyclopedia of Integer Sequences . OEIS Foundation.
  5. Sloane, N. J. A. (ed.). "SequenceA000628". The On-Line Encyclopedia of Integer Sequences . OEIS Foundation.