Eucalyptol is a natural organic compound which is a colorless liquid. It is a cyclic ether and a monoterpenoid.
Eucalyptol is also known by a variety of synonyms: 1,8-cineol, 1,8-cineole, limonene oxide, cajeputol, 1,8-epoxy-p-menthane, 1,8-oxido-p-menthane, eucalyptol, eucalyptole, 1,3,3-trimethyl-2-oxabicyclooctane, cineol, cineole.
In 1870, F.S. Cloez identified and ascribed the name eucalyptol to the dominant portion of Eucalyptus globulus oil. Eucalyptus oil, the generic collective name for oils from the Eucalyptus genus, should not be confused with the chemical compound eucalyptol.
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