ScenTree, la nouvelle encyclopédie des ingrédients de parfum.

Exploring the branches of scent

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Crédits photo: ScenTree SAS

CAS number :

13877-91-3

EINECS number :

237-641-2

FEMA number :

3539

JECFA number :

1338

FLAVIS number :

01.018

Volatility :

Head

Appearance :

Colorless to amber liquid

Price Range :

€€

Stability :

Terpenes tend to polymerize by oxydation.

Density :

0.801

Molecular formula :

C₁₀H₁₆

Molecular Weight :

136.24 g/mol

Flash Point :

132.8°F (56°C)

Log P :

4.19

Fusion Point :

Data not available.

Boiling Point :

150.8°F (66°C) at 17 hPa

Detection Threshold :

Data not available.

Crédits photo: ScenTree SAS

Year of discovery :

Data not available.

Synthesis route :

Ocimene is a terpene obtained by a pyrolysis of alpha-Pinene. This process simply involves heating the molecule (around 200°C) in order to break a particular bond, thereby forming a new compound.

Synthesis precursor :

Ocimene can be used for the synthesis of other terpenes by a Diels-Alder reaction, or can be hydrogenated to obtain other compounds of olfactory interest.

Isomerism :

Ocimene has a double bond responsible for the existence of two diastereomers of the molecule. The cis isomer is more grassy and the trans isomer is closer to mushrooms. The racemic mixture is most often used in perfumery. Another isomer called Allocimene exists and has a fresher, herbaceous and more terpenic smell than the racemic classic Ocimene. D-Limonene, Myrcene, Pinene and Terpinene are constitutional isomers of Ocimene, and are part of the family of terpenes, although their smell is very far from mushroom and Ocimene.

Natural availability :

Ocimene is present in many plants from which it can be extracted. Lavender EO is famous for its Ocimene, as each species does not have the same proportion. Lavender Matherone is a clonal lavender that contains 15% Ocimene and is therefore ideal to isolate the molecule. Nevertheless, synthetic Ocimene is most often used in perfumery.

Allergens :

This ingredient does not contain any allergen.

For more information on allergens used in perfumery, please consult our article about allergens

IFRA :

This ingredient is not restricted

Maximum usage according to the product category :
Ingredients containing
Ingredient Name	CAS N°	Estimated Concentration

Skin contact products	Non skin contact products
Leave on products	Rinse off products

List of natural ingredients containing the material presented here
Ingredient Name	Botanical Name	CAS N°	Estimated Concentration

Maximum usage according to the product category :
Ingredients containing
Ingredient Name	CAS N°	Estimated Concentration
Farnesal	19317-11-4	0,5
Farnesol	4602-84-0	5

Cat.1	Cat.2	Cat.3	Cat.4	Cat.5A	Cat.5B	Cat.5C	Cat.5D	Cat.6
0,21 %	0,062 %	1,2 %	1,2 %	0,29 %	0,29 %	0,29 %	0,29 %	0,68 %
Cat.7A	Cat.7B	Cat.8	Cat.9	Cat.10A	Cat.10B	Cat.11A	Cat.11B	Cat.12
2,4 %	2,4 %	0,12 %	2,3 %	8,1 %	8,1 %	4,5 %	4,5 %	Not restricted

List of natural ingredients containing the material presented here
Ingredient Name	Botanical Name	CAS N°	Estimated Concentration

To learn more about IFRA's standards : https://ifrafragrance.org/safe-use/library
To find out the specificities of each category and the ingredients prohibited by IFRA, click article about l'IFRA
ScenTree is solely responsible for the information provided here.

Uses in perfumery :

Ocimene is used in all types of perfumes, for lavender, floral-green (gardenia), mushroom and fruity-mango notes.

Other names :

3,7-dimethylocta-1,3,6-triene, 3,7-dimethyl-1,3,6-octatriene

Other comments :

In comparision to 1,3 Octenol, Ocimene has a way more aromatic and green mushroom note.

Exploring the branches of scent

Year of discovery :

Data not available.

Synthesis route :

Ocimene is a terpene obtained by a pyrolysis of alpha-Pinene. This process simply involves heating the molecule (around 200°C) in order to break a particular bond, thereby forming a new compound.

Synthesis precursor :

Ocimene can be used for the synthesis of other terpenes by a Diels-Alder reaction, or can be hydrogenated to obtain other compounds of olfactory interest.

Isomerism :

Natural availability :

Allergens :

This ingredient does not contain any allergen.

Annexe I :

Restriction type :

Cause of restriction :

Amendment :

Comments :

Quantitative usage limits :

Annexe I :

Annexe I :

Restriction type :

Cause of restriction :

DERMAL SENSITIZATION

Amendment :

49

Comments :

Quantitative limit on the use :

Annexe I :