The simplest alkanes
�
Methane (CH
4
)
CH
4
�
Ethane (C
2
H
6
)
CH
3
CH
3
�
Propane (C
3
H
8
)
CH
3
CH
2
CH
3
bp -160�C
bp -89�C
bp -42�C
CH4 CH4 CH3CH3CH3CH3CH3CH2CH3CH3CH2CH3CH4 CH3CH3CH3CH2CH3