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cyclohexane conformations
Conformations of cyclohexane
Image © Pearson Education, 2004

Cyclohexane is a colorless liquid hydrocarbon (C6H12) that occurs naturally in petroleum (crude oil), but is made commercially by combining hydrogen with benzene, using a catalyst. Cyclohexane is one type of a chemical called conformations: they can exist in two forms differing only in the arrangement of their bonds, and may "flip" from one form to the other. Melting point 6°C (43°F); boiling point 81°C (178°F).

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