The best replacement for propene is propylene.

The best alternatives to propene are rated as following:
★★★★★  propylene

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

Other search terms related to propene and their ratings are:
★★★★★ hbr
★★★ bromine water
★ hydrogen bromide
★ hydrogen chloride
You have in mind a companion for propene and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of propene in all years. Click on graph for more.
propene
propylene