Definition of hexane in US English:

hexane

noun

Chemistry
  • A colorless liquid hydrocarbon of the alkane series.

    Chemical formula: C₆H₁₄; five isomers, especially the straight-chain isomer (n-hexane)

    • ‘Some manufacturers use toxic chemicals like hexane or acetone and are not required by the Food and Drug Administration to list them on the label if they account for less than 2 percent of ingredients.’
    • ‘The hexane was evaporated under a gentle stream of nitrogen gas before adding 0.1 ml of ethyl ether and 0.1 ml 0.1 M of KOH in methanol and heating the samples for 5 min at 50°.’
    • ‘Solvents permitted in the UK for extraction include acetone, hexane, ethyl acetate, ethyl alcohol, and carbon dioxide.’
    • ‘But hexane is an air pollutant, and its release is regulated by the U.S. Environmental Protection Agency.’
    • ‘In the middle of the membrane, the acyl chains are in high disorder, resembling liquid hexane.’

Origin

Late 19th century: from hexa- ‘six’ (denoting six carbon atoms) + -ane.

Pronunciation

hexane

/ˈheksān//ˈhɛkseɪn/