Naturelle - Synthétique
Crédits photo: ScenTree SAS
Other names :
7,7-dimethyl-4-methylidenebicyclo[3.1.1]heptane ; Beta-nopinene ; Terbenthene ; Rosemarel®
Uses in perfumery :
Beta-Pinene is used in terpenic, woody and coniferous accords, to provide a fresh, lemony, pine needle facet.
Natural availability :
Beta-Pinene is present in citrus raw materials (Lemon EO, Bergamot EO, Sweet Orange EO), in spices (Black Pepper EO, Elemi EO, Nutmeg EO), in Galbanum EO and in Turpentine EO. This molecule can be extracted by fractional distillation of all these essential oils.
Year of discovery :
Data not available.
Other comments :
In comparision with other terpenes as Beta-Pinene or Gamma-Terpinene, Alpha-Pinene has a fresh woody smell but also is very earthy, on the contrary to the zesty note frequently found for terpenes.
Price Range :
Terpenes tend to polymerize by oxydation. Unstable in very alkaline bases as soap, where its smell is not percievable.
- Molecular formula :
- Molecular Weight :
- 136,23 g/mol
- Density :
- Flash Point :
- Fusion Point :
- Appearance :
- Colorless liquid
- Log P :
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- Detection Threshold :
- 140 ppb (Contre 62ppb pour le Pinène-Alpha)
Synthesis route :
The synthesis of Beta-Pinene is less common than its extraction from Turpentine EO. This extraction is done by a fractional distillation.
Synthesis precursor :
Beta-Pinene is a precursor for the synthesis of Myrcene by pyrolysis. Moreover, an addition of formaldehyde on this compound forms nopol. Nopyl acetate is used in perfumery.
Beta-Pinene has two enantiomers, laevorotatory and dextrorotatory, both used in perfumery. Both isomers have a similar smell, although the dextrorotatory isomer is sweeter.
Alpha-Pinene is more camphorated and less woody than beta-Pinene.
- EINECS number :
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- Allergens :
- This ingredient does not contain any allergen.
- IFRA :
- This ingredient is not restricted
To learn more about IFRA's standards : https://ifrafragrance.org/safe-use/library
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