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hexanal

noun
hex·​a·​nal | \ˈheksəˌnal\
plural -s

Definition of hexanal 

: a volatile liquid aldehyde CH3(CH2)4CHO of irritating odor obtained from several volatile oils (as eucalyptus oil and peppermint oil)

— called also caproaldehyde

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History and Etymology for hexanal

hexane + -al

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