A specific group of hydrocarbons with chemical formula CnH2n+2 and with carbon (C) and hydrogen (H) atoms arranged in a tree structure in which all the carbon-carbon bonds are single.
| Alkane | Formula | Boiling point | Melting point | Density (at 20 °C) | Isomers | Molecular Weight | ||
|---|---|---|---|---|---|---|---|---|
| °C | °C | kg/m3 | g/mol | psi | °Rankine | |||
| Methane | CH4 | -162 | −182 | 0.656 (gas) | 1 | 16.04 | 673 | 344 |
| Ethane | C2H6 | −89 | −183 | 1.26 (gas) | 1 | 30.07 | 709 | 550 |
| Propane | C3H8 | −42 | −188 | 2.01 (gas) | 1 | 44.09 | 618 | 666 |
| Butane | C4H10 | 0 | −138 | 2.48 (gas) | 2 | 58.12 | 551 | 766 |
| Pentane | C5H12 | 36 | −130 | 626 (liquid) | 3 | 72.15 | 485 | 847 |
| Hexane | C6H14 | 69 | −95 | 659 (liquid) | 5 | 86.17 | 434 | 915 |
| Heptane | C7H16 | 98 | −91 | 684 (liquid) | 9 | 100.2 | 397 | 973 |
| Octane | C8H18 | 126 | −57 | 703 (liquid) | 18 | 114.2 | 361 | 1024 |
| Nonane | C9H20 | 151 | −54 | 718 (liquid) | 35 | |||
| Decane | C10H22 | 174 | −30 | 730 (liquid) | 75 | |||
| Undecane | C11H24 | 196 | −26 | 740 (liquid) | 159 | |||
| Dodecane | C12H26 | 216 | −10 | 749 (liquid) | 355 | |||
| Tridecane | C13H28 | 235 | -5.4 | 756 (liquid) | 802 | |||
| Tetradecane | C14H30 | 253 | 5.9 | 763 (liquid) | 1858 | |||
| Pentadecane | C15H32 | 270 | 10 | 769 (liquid) | ||||
| Hexadecane | C16H34 | 287 | 18 | 773 (liquid) | ||||
| Heptadecane | C17H36 | 303 | 22 | 777 (solid) | ||||
| Octadecane | C18H38 | 317 | 28 | 781 (solid) | ||||
| Nonadecane | C19H40 | 330 | 32 | 785 (solid) | ||||
| Icosane | C20H42 | 343 | 37 | 789 (solid) | ||||
| Triacontane | C30H62 | 450 | 66 | 810 (solid) | ||||
| Tetracontane | C40H82 | 525 | 82 | 817 (solid) | ||||
| Pentacontane | C50H102 | 575 | 91 | 824 (solid) | ||||
| Hexacontane | C60H122 | 625 | 100 | 829 (solid) | ||||
| Heptacontane | C70H142 | 653 | 109 | 869 (solid) |
A more comprehensive data can be found in Pure alkanes properties.
See also
Natural Science / Physics / Chemistry / Chemical Substance / Hydrocarbons