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'''Heptan''' er en fællesbetegnelse for en [[alkan]] med 7 [[kulstof]]atomer.
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== Isomerer ==
Der findes 9 [[isomer]]er af '''Heptan''':
* ''n''-'''Heptan''' CH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>3</sub>
* 2-Methylhexan (Isoheptan) CH<sub>3</sub>CH(CH<sub>3</sub>)CH<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>3</sub>
* 3-Methylhexan CH<sub>3</sub>CH<sub>2</sub>CH(CH<sub>3</sub>)CH<sub>2</sub>CH<sub>2</sub>CH<sub>3</sub>
* 2,2-(di)Methylpentan (Neoheptan) CH<sub>3</sub>C(CH<sub>3</sub>)<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>CH<sub>3</sub>
* 2,3-(di)Methylpentan CH<sub>3</sub>CH(CH<sub>3</sub>)CH(CH<sub>3</sub>)CH<sub>2</sub>CH<sub>3</sub>
* 2,4-(di)Methylpentan CH<sub>3</sub>CH(CH<sub>3</sub>)CH<sub>2</sub>CH(CH<sub>3</sub>)CH<sub>3</sub>
* 3,3-(di)Methylpentan CH<sub>3</sub>CH<sub>2</sub>C(CH<sub>3</sub>)<sub>2</sub>CH<sub>2</sub>CH<sub>3</sub>
* 3-Ethylpentan CH<sub>3</sub>CH<sub>2</sub>CH(CH<sub>2</sub>CH<sub>3</sub>)CH<sub>2</sub>CH<sub>3</sub>
* 2,2,3-(tri)Methylbutan CH<sub>3</sub>C(CH<sub>3</sub>)<sub>2</sub>CH(CH<sub>3</sub>)CH<sub>3</sub>
{{alkaner}}
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{{autoritetsdata}}
[[Kategori:Alkaner]]
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