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Also known as cineole, eucalyptol is the primary terpene of the eucalyptus tree. It has recognizable minty and cool tones in its smell but most cannabis strains do not contain large amounts of it. It usually makes up around 0.06% of a strains complete terpene profile. This terpene has been used in cosmetics as well as medicine. When it comes to its medical value, eucalyptol relieves pain but also slows the growth of bacteria and fungus.

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Merriam-Webster Online Dictionary
eucalyptol (noun)
a liquid CHO with an odor of camphor that occurs in many essential oils (as of ) and is used especially as an expectorant and flavoring agent - 10 18 eucalyptus called also cineole
Eucalyptol (Wikipedia)

Eucalyptol (also called cineole) is a monoterpenoid colorless liquid, and a bicyclic ether. It has a fresh camphor-like odor and a spicy, cooling taste. It is insoluble in water, but miscible with organic solvents. Eucalyptol makes up about 70–90% of eucalyptus oil. Eucalyptol forms crystalline adducts with hydrohalic acids, o-cresol, resorcinol, and phosphoric acid. Formation of these adducts is useful for purification.

Eucalyptol
Names
IUPAC name
1,3,3-Trimethyl-2-oxabicyclo[2.2.2]octane
Other names
1,8-Cineole
1,8-Epoxy-p-menthane
cajeputol
1,8-epoxy-p-menthane, 1,8-oxido-p-menthane
eucalyptole
1,3,3-trimethyl-2-oxabicyclo[2.2.2]octane
cineol
cineole.
Identifiers
3D model (JSmol)
105109 5239941
ChEBI
ChEMBL
ChemSpider
DrugBank
ECHA InfoCard 100.006.757 Edit this at Wikidata
EC Number
  • 207-431-5
131076
KEGG
UNII
  • InChI=1S/C10H18O/c1-9(2)8-4-6-10(3,11-9)7-5-8/h8H,4-7H2,1-3H3 checkY
    Key: WEEGYLXZBRQIMU-UHFFFAOYSA-N checkY
  • InChI=1/C10H18O/c1-9(2)8-4-6-10(3,11-9)7-5-8/h8H,4-7H2,1-3H3
    Key: WEEGYLXZBRQIMU-UHFFFAOYAY
  • O2C1(CCC(CC1)C2(C)C)C
Properties
C10H18O
Molar mass 154.249 g/mol
Density 0.9225 g/cm3
Melting point 2.9 °C (37.2 °F; 276.0 K)
Boiling point 176–177 °C (349–351 °F; 449–450 K)
−116.3×10−6 cm3/mol
Pharmacology
R05CA13 (WHO)
Hazards
GHS labelling:
GHS02: FlammableGHS07: Exclamation markGHS08: Health hazardGHS09: Environmental hazard
Danger
H226, H304, H315, H317, H319, H411
P210, P233, P240, P241, P242, P243, P261, P264, P272, P273, P280, P301+P310, P302+P352, P303+P361+P353, P305+P351+P338, P321, P331, P332+P313, P333+P313, P337+P313, P362, P363, P370+P378, P391, P403+P235, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

In 1870, F. S. Cloez identified and ascribed the name "eucalyptol" to the dominant portion of Eucalyptus globulus oil.

Eucalyptol (Wiktionary)

English

Alternative forms

  • eucalyptole

Etymology

    Borrowed from French eucalyptol.

    Noun

    eucalyptol (countable and uncountable, plural eucalyptols)

    1. (organic chemistry) A polycyclic monoterpenoid ether, obtained from eucalyptus oil, used in perfumery and in the production of pharmaceuticals etc.
      Synonym: cineol

    French

    Etymology

      Coined by French chemist François Stanislas Cloëz in

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