Synonyms for Butane:

n.

carbon, chlorofluorocarbon, cfc. •gas (noun)
atmosphere, methane, acetylene, hydrogen, ammonia, ethane, nerve gas, tear gas, argon, miasma, fume, neon, chlorine, nitrogen, vapor, xenon, carbon monoxide, ozone, ether, helium, gas, laughing gas, natural gas, rarefaction, oxygen, carbon dioxide.

Other synonyms:

mustard gas. carbon. •Other relevant words:
carbon.