Is FARNESENE safe to use in EU cosmetics?

FARNESENE is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Always verify against the current official CosIng database before formulating.

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InventoryRef 5625015/10/2010

FARNESENE

1,3,6,10-Dodecatetraene, 3,7,11-Trimethyl-, (3E,6E)-, (alpha); 1,6,10-Dodecatriene, 7,11-Dimethyl-3-Methylene-, (6E)-, (beta)

FARNESENE is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.

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Regulatory evidence by market

No rule for this ingredient has been imported for any of the 13 markets tracked here.

That describes this inventory, not the law. No imported rule is not evidence that an ingredient is permitted: a rule may exist under another name or identifier, or in a dataset not yet imported here.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 18794-84-8

CAS 18794-84-8PubChem CID 5281517

beta-Farnesene

Trans-beta-farnesene is a beta-farnesene in which the double bond at position 6-7 has E configuration. It is the major or sole alarm pheromone in most species of aphid. It has a role as a metabolite and an alarm pheromone. — ChEBI

IUPAC name: (6E)-7,11-dimethyl-3-methylidenedodeca-1,6,10-triene

Molecular formula: C15H24
Molecular weight: 204.35 g/mol
Exact mass: 204.187800766 Da
XLogP3: 6.2
Topological polar surface area: 0.0 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 0
Covalent units: 1
Defined stereocentres: 0

Also known as

trans-beta-Farnesenee-beta-farnesene(6E)-7,11-Dimethyl-3-methylene-1,6,10-dodecatrieneE5STW643HUCHEBI:10418CHEBI:39241RefChem:567827(6Z)-7,11-dimethyl-3-methylidenedodeca-1,6,10-triene

16 more reported names

(E)-beta-farnesene(E)-|A-Farnesene(E)-7,11-Dimethyl-3-methylenedodeca-1,6,10-trienetrans-B-farnesenebeta-trans-farnesene7,11-Dimethyl-3-methylenedodeca-1,6,10-triene1,6,10-Dodecatriene, 7,11-dimethyl-3-methylene-, (6E)-UNII-E5STW643HU.beta.-FarneseneEINECS 278-628-11,6,10-Dodecatriene, 7,11-dimethyl-3-methylene-, (E)-(6E)-beta-farnesenetrans-7,11-Dimethyl-3-methylene-1,6,10-dodecatrieneEINECS 242-582-0(Z,E)-.beta.-FarneseneHY-N7364

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External database identifiers

ChEBI:CHEBI:10418
ChEBI:CHEBI:39241
EPA DTXSID:DTXSID9047049
PubMed:9442047

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

PubChem 2D chemical structure for CAS 502-61-4

CAS 502-61-4PubChem CID 5281516

Farnesene

Alpha-farnesene is a farnesene that is 1,3,6,10-tetraene substituted by methyl groups at positions 3, 7 and 11 respectively. — ChEBI

IUPAC name: (3E,6E)-3,7,11-trimethyldodeca-1,3,6,10-tetraene

Molecular formula: C15H24
Molecular weight: 204.35 g/mol
Exact mass: 204.187800766 Da
XLogP3: 6.1
Topological polar surface area: 0.0 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 0
Covalent units: 1
Defined stereocentres: 0

Also known as

alpha-Farnesene(E,E)-alpha-farnesene1,3,6,10-Dodecatetraene, 3,7,11-trimethyl-, (3E,6E)-trans,trans-alpha-farnesene7E1785CZ0HCHEBI:10280CHEBI:39236MAGNOLENE

16 more reported names

RefChem:272544P3OFI15E1FEMA NO. 3839CHEBI:39237FARNESENE (ALPHA AND BETA)FEMA NO. 3839, (3E,6E)-alpha-207-948-6a-farnesene.alpha.-Farnesene(3E,6E)-alpha-Farnesenetrans-.alpha.-Farnesene1,3,6,10-Dodecatetraene, 3,7,11-trimethyl-, (E,E)-(E,E)-.alpha.-Farnesenetrans,trans-.alpha.-Farnesene2,6,10-Trimethyldodeca-2,6,9,11-tetraene(E)-alpha-Farnesene

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External database identifiers

ChEBI:CHEBI:10280
ChEBI:CHEBI:39236
ChEMBL:CHEMBL3182226
EPA DTXSID:DTXSID4047202
PubMed:29844252

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Inventory details for FARNESENE

INCI name

FARNESENE

Description

1,3,6,10-Dodecatetraene, 3,7,11-Trimethyl-, (3E,6E)-, (alpha);
1,6,10-Dodecatriene, 7,11-Dimethyl-3-Methylene-, (6E)-, (beta)

Record provenance

Inventory reference: 56250
Imported identity: FARNESENE
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for FARNESENE

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Key data

CAS

502-61-4 (a-) / 18794-84-8 (b-)

207-948-6 / 242-582-0

Restriction

—

Function

FRAGRANCE: Imparting an odour or taste. Creating a perceivable pleasant smell and/or masking a bad smell.
PERFUMING: Used for perfume and aromatic raw materials.

Official EU ingredient-name evidence

The ingredient name exactly matches the official 2025 EU glossary of common ingredient names.

#10440 · FARNESENE

Ingredients with overlapping formulation functions

EUTERPE PRECATORIA FRUIT EXTRACTFRAGRANCE

EVODIA RUTAECARPA ROOT OILFRAGRANCE

FABIANA IMBRICATA OILFRAGRANCE, SKIN CONDITIONING

FAGRAEA BERTEROANA FLOWER WATERFLAVOURING, FRAGRANCE, PERFUMING

FERULA ASSA-FOETIDA GUM EXTRACTFRAGRANCE; PERFUMING; FLAVOURING; SKIN CONDITIONING - MISCELLANEOUS

FICUS CARICA FRUIT WATERFRAGRANCE

FICUS SYCOMORUS LEAF CELL EXTRACTFRAGRANCE, SKIN PROTECTING

FOENICULUM VULGARE FRUIT POWDERFRAGRANCE

Additional official and scientific sources

11 external databases to check this identity in

Each link searches that source for this identity. What each source is, and its legal weight

ECHA CHEM / Information on chemicals PubChem PUG REST EU Safety Gate cosmetic product alerts ECHA CHEM US EPA CompTox Cosmetic Ingredient Review safety assessments FDA Global Substance Registration System ILO/WHO International Chemical Safety Cards Japan NITE-CHRIP NIOSH Pocket Guide to Chemical Hazards OECD eChemPortal

How FARNESENE appears in the CosIng inventory

The CosIng inventory lists FARNESENE as a cosmetic ingredient and this page links it to 0 annex records. The inventory entry captures names and identifiers, while the annex records show where the substance is prohibited, restricted or positively listed in EU cosmetics law.

FARNESENE is also tagged with 2 cosmetic functions in the official data. Function labels describe intended use, but they do not replace regulatory review of linked annex records before formulation or labelling work.

Frequently asked questions

FARNESENE is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Absence of an annex link does not guarantee unrestricted use — always verify against the current official CosIng database before formulating.

According to the EU CosIng inventory, FARNESENE carries the following function designation(s):

CAS 502-61-4 (a-) / 18794-84-8 (b-) may appear across multiple EU annex records. Viewing the CAS lookup page shows all Annex II–VI entries sharing this identifier, which is useful for identifying cross-annex regulatory status of the same chemical substance.

Use the INCI Checker to screen a full ingredient list across selected markets, or compare this substance across all supported market datasets.

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Source note for FARNESENE

This page reproduces the CosIng inventory entry for FARNESENE from public European Commission cosmetic ingredient materials and shows linked identifiers even when no direct annex match is currently attached.

Use this inventory page to research FARNESENE and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

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