The best replacement for benzene is phenyl.

The best alternatives to benzene are rated as following:
★★★★★  phenyl
★★★  toluene
★★★  cyclohexane
★★  gasoline
★★  1 3 5-cyclohexatriene
★  benzine
★  cyclohexene
★  phenol
★  pyridine
★  naphthalene
★  aromatic
  ethylbenzene
  aromatic ring
  benzene
  benzoic acid

Your alternative for benzene is not listed? Suggest!
Speaking about benzene, one probably shouldn't forget about nh2.

Other search terms related to benzene and their ratings are:
★★★★★ nh2
★★★ carboxylic acid
★★★ no2
★★ bromine
★ kmno4
alcl3
You have in mind a companion for benzene and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of benzene in all years. Click on graph for more.
benzene
phenyl
toluene