Isomers
| Common name | IUPAC name | Text formula | Skeletal formula |
|---|---|---|---|
| normal hexane n-hexane | hexane | CH3(CH2)4CH3 |  |
| isohexane | 2-methylpentane | (CH3)2CH(CH2)2CH3 |  |
| 3-methylpentane | CH3CH2CH(CH3)CH2CH3 |  | |
| 2,3-dimethylbutane | CH3CH(CH3)CH(CH3)CH3 |  | |
| neohexane | 2,2-dimethylbutane | CH3C(CH3)2CH2CH3 |  |
| Isomer | M.P. (°C) | B.P. (°C) |
|---|---|---|
| n-hexane | −95.3 | 68.7 |
| 3-methylpentane | −118.0 | 63.3 |
| 2-methylpentane (isohexane) | −153.7 | 60.3 |
| 2,3-dimethylbutane | −128.6 | 58.0 |
| 2,2-dimethylbutane (neohexane) | −99.8 | 49.7 |
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