出典:Wiktionary
出典:Wikipedia
出典:『Wikipedia』 (2011/01/09 11:32 UTC 版)
Methylacetylene (propyne) is an alkyne with the chemical formula CH3C≡CH. It is a component of MAPP gas along with its isomer 1,2-propadiene (allene), which is commonly used in gas welding. Unlike acetylene, methylacetylene can be safely condensed.