The best replacement for cyclohexane is benzene.

The best alternatives to cyclohexane are rated as following:
★★★★★  benzene
★★★★  cyclohexene
★★★  toluene
★★★  hexane
★  n-hexane
★  hexane higher boiling point
★  cyclopentane
  cyclohexanone
  methylcyclohexane
  n hexane

Your alternative for cyclohexane is not listed? Suggest!
Speaking about cyclohexane, one probably shouldn't forget about bromine.

Other search terms related to cyclohexane and their ratings are:
★★★★★ bromine
★ br2
★ potassium permanganate
bromine water
You have in mind a companion for cyclohexane and it is not yet here? Propose!



Google Trends

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cyclohexane
benzene
cyclohexene