Alpha-Terpinene
Naturelle - Synthétique
Citrus > Zesty > Citric > Terpenic
Crédits photo: ScenTree SAS
Other names :
1-methyl-4-propan-2-ylcyclohexa-1,3-diene ; 1-methyl-4-isopropyl-1,3-cyclohexadiene ; Para-mentha-1,3-diene ; 1,3-para-menthadiene ; 4-methyl-1-(1-methylethyl)-1,3-cyclohexadiene ; 1-methyl-4-(1-methyl ethyl)-1,3-cyclohexadiene ; 1-isopropyl-4-methyl-1,3-cyclohexadiene
Volatility :
Head
Uses in perfumery :
Alpha-Terpinene is used in fruity and exotic notes, especially in mango for a spicy touch. Also used in woody and spicy notes, for freshness and a powerful top note.
Natural availability :
Alpha-Terpinene is found in many plant extracts, including Bergamot EO, Juniper Berry EO and Lime EO. It can be extracted from these plants essential oils.
Year of discovery :
Data not available.
Other comments :
In comparision to other terpenes, Alpha-Terpinene has a distinctive smell close to Lime EO.
Price Range :
€
Stability :
Terpenes tend to polymerize by oxydation.
Very unstable in alkaline functional bases as soap. In this base, its smell in not percievable.
Very unstable in alkaline functional bases as soap. In this base, its smell in not percievable.
Crédits photo: ScenTree SAS
- Molecular formula :
- C10H16
- Molecular Weight :
- 136,24 g/mol
- Density :
- 0,837
- Flash Point :
- 50°C
- Fusion Point :
- Donnée indisponible.
- Appearance :
- Colorless liquid
- Log P :
- Donnée indisponible,
- Boiling Point :
- 174°C
- Detection Threshold :
- Donnée indisponible.
Synthesis route :
Alpha-Terpinene is a terpene obtained by an isomerization of D-Limonene in an acidic medium.
Synthesis precursor :
Alpha-Terpinene can be a precursor to the synthesis of other terpenes, for example by a Diels-Alder reaction.
Isomerism :
Alpha-Terpinene differs from beta-Terpinene, gamma-Terpinene and delta-Terpinene, its isomers. They all have a different smell. alpha-Terpinene is the most medicinal and most reminiscent of Lime EO.
D-Limonene, Pinene, Myrcene and Ocimene are the constitutional isomers of Terpinene.
They all belong to the terpene family, whose common point is that they can be synthesized by a Diels-Alder reaction, starting from Isoprene.
- EINECS number :
- 202-795-1
- FEMA number :
- 3558
- JECFA number :
- 1339
- FLAVIS number :
- 01.019
- 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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