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89230

Sigma-Aldrich

α,β-Thujone

technical, ~70% α-thujone basis, ~10% β-thujone basis

Synonym(s):

(−)-1-Isopropyl-4-methylbicyclo[3.1.0]hexan-3-one

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About This Item

Empirical Formula (Hill Notation):
C10H16O
CAS Number:
Molecular Weight:
152.23
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Quality Level

grade

technical

form

liquid

composition

α-thujone, ~70%
β-thujone, ~10%

refractive index

n20/D 1.455 (lit.)
n20/D 1.46

bp

84-86 °C/17 mmHg (lit.)

density

0.925 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

CC(C)[C@@]12C[C@@H]1[C@@H](C)C(=O)C2.CC(C)[C@@]34C[C@@H]3[C@H](C)C(=O)C4

InChI

1S/2C10H16O/c2*1-6(2)10-4-8(10)7(3)9(11)5-10/h2*6-8H,4-5H2,1-3H3/t7-,8+,10-;7-,8-,10+/m01/s1

InChI key

AKPBIVZAUPVDMO-APEKEWONSA-N

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Application

α,β-Thujone can be used as a chiral synthon in the total synthesis of (+)-β-cyperone and several bicyclo[3.n.1] alkanone systems.

Preparation Note

isolated from natural oil of cedar-leaves

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Precautionary Statements

Hazard Classifications

Acute Tox. 4 Oral

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3

Flash Point(F)

No data available

Flash Point(C)

No data available

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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The chemistry of thujone. III. Thujone as a chiral synthon for the preparation of sesquiterpenes. Synthesis of (+)-β-cyperone.
Kutney J P, et al.
Canadian Journal of Chemistry, 58(23), 2641-2644 (1980)
Synergistic Catalysis: Metal/Proton?Catalyzed Cyclization of Alkynones Toward Bicyclo [3. n. 1] alkanones.
Zhu S, et al.
Angewandte Chemie (International Edition in English), 54(32), 9414-9418 (2015)
Jin-Young Lee et al.
Reproduction (Cambridge, England), 159(6), 745-756 (2020-04-03)
α,β-Thujone is a natural terpenoid found in many medicinal herbs, such as Artemisia absinthium (wormwood), that exhibits antioxidant, anti-diabetic, and anti-tumorigenic effects. α,β-Thujone has numerous functions; it serves as a food ingredient, cosmetic additive, and medicinal remedy. Although the therapeutic

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