The hexynes are a subgroup from the group of alkynes. It consists of several isomeric compounds having the formula C6H10. The linear and branched members are:
1-Hexyne (n-butylacetylene) 2-Hexyne (methylpropylacetylene) 3-Hexyne (diethylacetylene) 3-methylpent-1-yne 4-methylpent-1-yne 4-methylpent-2-yne 3,3-dimethylbut-1-yne