isobutene

== English == === Etymology === From iso- +‎ butene. === Noun === isobutene (countable and uncountable, plural isobutenes) (organic chemistry) The unsaturated hydrocarbon methylpropene, (CH3)2C=CH2; used in the manufacture of polybutene and butyl rubber. ==== Synonyms ==== isobutylene methylpropene (IUPAC name) ==== Derived terms ==== ==== Translations ====