(E)-β-Farnesene

Also known as: (6E)-7,11-Dimethyl-3-methylene-1,6,10-dodecatriene, (E)-7,11-dimethyl-3-methylenedodeca-1,6,10-triene, (E)-BETA-FARNESENE, (E)-β-FARNESENE, 7,11-Dimethyl-3-methylene-1,6,10-dodecatriene, 7,11-dimethyl-3-methylene-(e)-10-dodecatriene, 7,11-dimethyl-3-methylene-1,6,10-dodecatriene, EINECS 242-582-0, Farnesene (E, beta), MFCD00065433, b-Farnesene, beta-farnesene (E), beta-trans-Farnesene, t-.beta.-farnesene, trans-beta-farnesene, trans-β-farnesene, β-farnesene,(E)-7,11-dimethyl-3-methylene-1,6,10-dodecatriene,(E)-β-farnesene

(E)-β-Farnesene (CAS 18794-84-8) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C15H24 and a molecular weight of 204.35100 g/mol. Key properties include a melting point of < 25ºC, a boiling point of 272.5ºC at 760 mmHg, a density of 0.807 g/cm3 and a flash point of 110.0 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.

CAS No.: 18794-84-8
Jingsj CID: J-42502-5
Molecular Formula: C₁₅H₂₄
Molecular Weight: 204.35100 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 11/3/2026

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Physicochemical Properties

Melting Point	< 25ºC
Boiling Point	272.5ºC at 760 mmHg
Density	0.807 g/cm3
Flash Point	110.0 °C
Exact Mass	204.18800
LogP	5.20150
Vapor Pressure	0.0101mmHg at 25°C
Refractive Index	1.47
Storage Conditions	−20°C

GHS Safety & Compliance

IrritantSignal word: Warning

H315 — Causes skin irritation

Activity & Biological Data

Additional Information	[1]. Tesh RB, et, al. Trans-beta-farnesene as a feeding stimulant for the sand fly Lutzomyia longipalpis (Diptera: Psychodidae). J Med Entomol. 1992 Mar;29(2):226-31. [2]. Torky ZA, et, al. Chemical profiling, antiviral and antiproliferative activities of the essential oil of Phlomis aurea Decne grown in Egypt. Food Funct. 2021 May 21;12(10):4630-4643. [3]. Torky ZA, et, al. Chemical profiling, antiviral and antiproliferative activities of the essential oil of Phlomis aurea Decne grown in Egypt. Food Funct. 2021 May 21;12(10):4630-4643.

Additional Information

[1]. Tesh RB, et, al. Trans-beta-farnesene as a feeding stimulant for the sand fly Lutzomyia longipalpis (Diptera: Psychodidae). J Med Entomol. 1992 Mar;29(2):226-31. [2]. Torky ZA, et, al. Chemical profiling, antiviral and antiproliferative activities of the essential oil of Phlomis aurea Decne grown in Egypt. Food Funct. 2021 May 21;12(10):4630-4643. [3]. Torky ZA, et, al. Chemical profiling, antiviral and antiproliferative activities of the essential oil of Phlomis aurea Decne grown in Egypt. Food Funct. 2021 May 21;12(10):4630-4643.

Customs & Trade Information

HS Code	2901299090
Summary	2901299090 unsaturated acyclic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of (E)-β-Farnesene?

The CAS number of (E)-β-Farnesene is 18794-84-8.

What are the molecular formula and molecular weight of (E)-β-Farnesene?

(E)-β-Farnesene has molecular formula C15H24 and molecular weight 204.35100 g/mol.

Is (E)-β-Farnesene hazardous?

(E)-β-Farnesene has GHS signal word Warning and hazard statements H315 — Causes skin irritation.

What are the upstream and downstream products of (E)-β-Farnesene?

For (E)-β-Farnesene, Upstream Products: trans-Nerolidol, Geranyl bromide, 3-methyl-3-buten-2-ol; Downstream Products: 2,6,10-Trimethyldodecane, Isophytol, Phytone.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 11/3/2026

How to cite: Jingsj. "(E)-β-Farnesene (CAS 18794-84-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-42502-5 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.