A volatile sesquiterpene hydrocarbon with pheromonal and kairomonal activities
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trans-β-Farnesene

Item No. 31502

Product Insert (PDF)Safety Data Sheet (SDS) (PDF)
Technical Information
Formal Name
(6E)-7,11-dimethyl-3-methylene-1,6,10-dodecatriene
CAS Number
18794-84-8
Synonyms
  • (E)-β-Farnesene
  • β-Farnesene
Molecular Formula
C15H24
Formula Weight
204.4
Purity
≥98%
Formulation (Request formulation change)
A neat oil
Solubility(Learn about Variance in Solubility)
DMF: 30 mg/mlDMSO: 30 mg/mlEthanol: 30 mg/ml
λmax
225 nm
SMILES
C=CC(CC/C=C(C)/CC/C=C(C)/C)=C
InChi Code
InChI=1S/C15H24/c1-6-14(4)10-8-12-15(5)11-7-9-13(2)3/h6,9,12H,1,4,7-8,10-11H2,2-3,5H3/b15-12+
InChi Key
JSNRRGGBADWTMC-NTCAYCPXSA-N
Origin
Synthetic
Shipping & Storage Information
Storage
-20°C
Shipping
Room temperature in continental US; may vary elsewhere
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    100 mg

    $81

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    250 mg

    $190

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    500 mg

    $357

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    1 g

    $633

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    Product Description

    trans-β-Farnesene is a volatile sesquiterpene hydrocarbon that has been found in aphids and has alarm pheromone and kairomonal attractant activities.1,2 It is produced by aphids in response to predator or parasite attack.1 trans-β-Farnesene (0.2 ng) induces dispersion of 50% of M. persicae aphids from a cluster. trans-β-Farnesene (>2 μg) also acts as a kairomone, attracting larvae and adults of A. bipunctata, a predator of aphids.2

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. Montgomery, M.E., and Nault, L.R. Comparative response of aphids to the alarm pheromone (E)-β-Farnesene. Entomol. Exp. Appl. 22(3), 236-242 (1977).

    2. Francis, F., Lognay, G., and Haubruge, E. Olfactory responses to aphid and host plant volatile releases: (E)-β-farnesene an effective kairomone for the predator Adalia bipunctata. J. Chem. Ecol. 30(4), 741-755 (2004).