Noun
n-hexane (uncountable)
(organic chemistry) The saturated aliphatic hydrocarbon (CH3(CH2)4CH3).
Although this is not strictly necessary, the usage is still common in cases where there is an important difference in properties between the straight-chain and branched-chain isomers, e.g., n-hexane or 2- or 3-methylpentane. Source: Internet
Genkem is a brand of glue which had become the generic name for all the glues used by glue-sniffing children in Africa before the manufacturer replaced n-hexane in its ingredients in 2000. Source: Internet