This is the list of structural isomers of nonane. There are 35.
Straight-chain
Octanes
Heptanes
Isomers where heptane is the longest chain
Dimethyl
Ethyl
Hexane
Isomers where hexane is the longest chain
Trimethyl
- 2,2,3-Trimethylhexane
- 2,2,4-Trimethylhexane
- 2,2,5-Trimethylhexane
- 2,3,3-Trimethylhexane
- 2,3,4-Trimethylhexane
- 2,3,5-Trimethylhexane
- 2,4,4-Trimethylhexane
- 3,3,4-Trimethylhexane
Ethyl+Methyl
Pentane
Isomers where pentane is the longest chain
Tetramethyl
- 2,2,3,3-Tetramethylpentane
- 2,2,3,4-Tetramethylpentane
- 2,2,4,4-Tetramethylpentane
- 2,3,3,4-Tetramethylpentane
Ethyl+Dimethyl
Diethyl