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THUJONE

THUJONE Structure
CAS No.
471-15-8
Chemical Name:
THUJONE
Synonyms
THUJONE;b-Thujone;β-Thujone;(Z)-thujone;(E)-Thujone;cis-Thujone;Thujone cis;beta-Thujon;D-isothujone;trans-Thujone
CBNumber:
CB7299582
Molecular Formula:
C10H16O
Molecular Weight:
152.23
MOL File:
471-15-8.mol
Modify Date:
2024/6/28 13:52:33

THUJONE Properties

Melting point 170 °C
alpha D15 +72.5°
Boiling point 84-86 °C17 mm Hg(lit.)
Density 0.925 g/mL at 25 °C(lit.)
refractive index n20/D 1.455(lit.)
Flash point 148 °F
storage temp. 2-8°C
solubility Practically insoluble in water, soluble in alcohol and oils.
form Almost colourless mobile liquid
Odor herbal warm
Dielectric constant 10.0(0℃)

SAFETY

Risk and Safety Statements

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H302
Precautionary statements  P264-P270-P301+P312-P330-P501
Hazard Codes  T
Risk Statements  23/24/25-36/37/38-42/43
Safety Statements  23-26-36/37/39-45
RIDADR  UN 2810 6.1/PG 3
WGK Germany  3
Toxicity LD50 s.c. in mice: 442.2 mg/kg (Rice, Wilson)

THUJONE Chemical Properties,Uses,Production

Chemical Properties

Powerful and penetrating, warm-herbaceous, the minty-camphoraceous odour of moderate to poor tenacity. Warm-herbaceous, bitter taste in concentrations lower than 10 ppm. Higher concentrations produce a pungent-bitter, herbaceous taste.

Uses

β-Thujone is a component of the essential oil of Pistacia vera L. It is also used as as a reactant in organic synthesis.

Definition

The monoterpenoid ketone Thujone is used sparingly in certain perfume formulations, often as a trace component of topnote compositions, and it blends very well with Oakmoss, Rosemary, Geranium, Galbanum and various green-herbaceous notes, and with certain Ambre-t ype fragrances. Herbs containing essential oils in which Thujone forms a major component have been under suspicion by the food authorities, and many products containing Thujone-beaning oils or extracts have been banned from food, beverages, etc. The toxicity of Thujone is roughly estimated at three times that of Nitrobenzene. However, it is not possible to compare the two since the effect of Thujone is entirely different, sometimes classified as “Curare-like” or paralyzing on the human CNS or heart system. The Thujone content of certain Artemisia species, used in “Absinth” alcoholic beverages, was responsible for banning certain brands of alcoholic beverages in the 1930s in France. Thujone is by some authorities considered the most toxic of all commonly occurring components of essential oils. Thujone is produced by isolation from various essential oils: Cedarleaf oil (Thuja oil), Tansy oil, Dalmatian Sage oil, etc.

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(E)-Thujone (Z)-thujone 3-Thujanone, (1S,4S,5R)-(+)- Bicyclo[3.1.0]hexan-3-one, 4-methyl-1-(1-methylethyl)-, [1S-(1alpha,4beta,5alpha)]- cis-Thujone D-beta-Thujone D-isothujone Thujone cis Thujone trans trans-Thujone ALPHA,BETA-THUJONE ALPHA AND BETA-THUJONE THUJONE THUJONE-A AND B THUJONE ALPHA AND BETA (+)-Isothujon beta-Thujon (+)-3-Thujone b-Thujone (-)-1-ISOPROPYL-4-METHYLBICYCLO[3.1.0]HEXAN-3-ONE 1-ISOPROPYL-4-METHYLBICYCLO[3.1.0]HEXAN-3-ONE (CIS AND TRANS) Bicyclo[3.1.0]hexan-3-one, 4-methyl-1-(1-methylethyl)-, (1S,4S,5R)- (+)-β-thujone β-Thujone (+)-isothujone 471-15-8 Bicyclic Monoterpenes Terpenes