Pentyne Index of chemical compounds with the same name From Wikipedia, the free encyclopedia Pentyne may refer to: 1-Pentyne (propyl acetylene) 2-Pentyne (ethyl methyl acetylene) 3-methylbutyne (isopropyl acetylene) This set index article lists chemical compounds articles associated with the same name.If an internal link led you here, you may wish to change the link to point directly to the intended article. Related Articles