A colorless liquid hydrocarbon of the alkane series.
- ‘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°.’
- ‘But hexane is an air pollutant, and its release is regulated by the U.S. Environmental Protection Agency.’
- ‘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.’
- ‘In the middle of the membrane, the acyl chains are in high disorder, resembling liquid hexane.’
- ‘Solvents permitted in the UK for extraction include acetone, hexane, ethyl acetate, ethyl alcohol, and carbon dioxide.’
Late 19th century: from hexa- ‘six’ (denoting six carbon atoms) + -ane.
We take a look at several popular, though confusing, punctuation marks.