IUPAC Names of the First 20 Alkanes

 

Number of carbon atoms

Name

1

methane

2

ethane

3

propane

4

butane

5

pentane

6

hexane

7

heptane

8

octane

9

nonane

10

decane

11

undecane

12

dodecane

13

tridecane

14

tetradecane

15

pentadecane

16

hexadecane

17

heptadecane

18

octadecane

19

nonadecane

20

icosane (eicosane)

 

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