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Key Documents

W377406

Sigma-Aldrich

Theaspirane

mixture of cis and trans, ≥85%

Synonym(s):

(±)-Theaspirane, 2,6,10,10-Tetramethyl-1-oxaspiro[4.5]dec-6-ene

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About This Item

Empirical Formula (Hill Notation):
C13H22O
CAS Number:
Molecular Weight:
194.31
FEMA Number:
3774
Beilstein/REAXYS Number:
1424383
EC Number:
Council of Europe no.:
10515
MDL number:
UNSPSC Code:
12164502
PubChem Substance ID:
Flavis number:
13.098
NACRES:
NA.21

biological source

synthetic

Quality Level

grade

Halal
Kosher

reg. compliance

EU Regulation 178/2002

assay

≥85%

refractive index

n20/D 1.438 (lit.)

bp

68-72 °C/3 mmHg (lit.)

density

0.931 g/mL at 25 °C (lit.)

application(s)

flavors and fragrances

documentation

see Safety & Documentation for available documents

food allergen

no known allergens

organoleptic

green; cooling; woody; herbaceous; camphoraceous

SMILES string

CC1CCC2(O1)C(C)=CCCC2(C)C

InChI

1S/C13H22O/c1-10-6-5-8-12(3,4)13(10)9-7-11(2)14-13/h6,11H,5,7-9H2,1-4H3

InChI key

GYUZHTWCNKINPY-UHFFFAOYSA-N

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Application


  • "Age" of tea: The impact of long-term storage on the aroma of Tuo tea and age prediction.: This study investigates the changes in the aroma profile of Tuo tea over long-term storage, identifying theaspirane as a key volatile compound. Theaspirane′s stability and impact on tea aroma make it significant for understanding aging processes and enhancing tea quality control methods (Chen et al., 2024).

Biochem/physiol Actions

Odor at 1.0%
Taste at 10 ppm

Other Notes

Natural occurrence: Black chokeberry, grape, white wine, raspberry, passion fruit juice and cherimoya.

Disclaimer

For R&D or non-EU Food use. Not for retail sale.

Storage Class

10 - Combustible liquids

wgk_germany

WGK 2

flash_point_f

149.0 °F - closed cup

flash_point_c

65 °C - closed cup

ppe

Eyeshields, Gloves, type N95 (US)


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Mosciano, G.
Perfumer & Flavorist, 30, 56-56 (2005)
Organoleptic Characteristics of Flavor Materials
Mosciano, G.
Perfumer & Flavorist, 30, 41-41 (2005)

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