Farnesol |
Last updated: 23/08/2024
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(Also known as: farnesyl alcohol ; Spider mite alarm pheromone) |
The following alerts are based on the data in the tables below. An absence of an alert does not imply the substance has no implications for human health, biodiversity or the environment but just that we do not have the data to form a judgement.
Environmental fate |
Ecotoxicity |
Human health |
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A naturally occurring substance that is a plant essential oil and also a component of the spider mite alarm pheromone |
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Various mites including those of the eotetranychid, tetranychid and panonychid families |
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Agricultural, horticultural and ornamental crops |
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Current |
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1987, first registered USA |
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- |
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Not approved |
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Not applicable |
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No UK approval for use |
EC Regulation 1107/2009 (repealing 91/414) |
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Not approved |
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Not applicable |
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Not applicable |
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Not applicable |
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No |
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ATAustria |
BEBelgium |
BGBulgaria |
CYCyprus |
CZCzech Republic |
DEGermany |
DKDenmark |
EEEstonia |
ELGreece |
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ESSpain |
FIFinland |
FRFrance |
HRCroatia |
HUHungary |
IEIreland |
ITItaly |
LTLithuania |
LULuxembourg |
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LVLatvia |
MTMalta |
NLNetherlands |
PLPoland |
PTPortugal |
RORomania |
SESweden |
SISlovenia |
SKSlovakia |
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ISIceland |
NONorway |
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Thre are four possible isomers of farnesol. Only the (2E,6E)-isomer (trans-farnesol) is commercially available in relatively high isomeric purity. The other three isomers tend ro only be available as minor components in the commercial material. |
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C₁₅H₂₆O |
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CC(=CCCC(=CCCC(=CCO)C)C)C |
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CC(=CCC/C(=C/CC/C(=C/CO)/C)/C)C |
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CRDAMVZIKSXKFV-YFVJMOTDSA-N |
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InChI=1S/C15H26O/c1-13(2)7-5-8-14(3)9-6-10-15(4)11-12-16/h7,9,11,16H,5-6,8,10,12H2,1-4H3/b14-9+,15-11+ |
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Yes |
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Insecticide, Semiochemical |
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Pheromone; Plant-derived substance; Animal-derived substance |
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Natural |
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Acts as an insect repellent and attractant |
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First isolated from certain plants including rose, citronella and lemon grass but more recently isolated from female spider mites |
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Synthesised for commerical use |
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Crop protection |
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Various mites including those of the eotetranychid, tetranychid and panonychid families |
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Agricultural, horticultural and ornamental crops |
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Suitable for use in all farming systems where approved for use in that country |
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4602-84-0 |
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3879-60-5 |
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225-004-1 |
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- |
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128910 |
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222.37 |
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- |
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(2E,6E)-3,7,11-trimethyldodeca-2,6,10-trien-1-ol |
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(Z,E)-3,7,11-trimethyl-2,6,10-dodecatrien-1-ol |
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Not applicable |
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Not applicable |
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UNE |
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Not applicable |
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- |
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Colourless to pale yellow clear oily liquid |
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Stirrup Mylox |
Troy Biosciences |
Farnesol |
Symrise |
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Usually supplied in slow release formulations that are used within pheromone dispensers |
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25 |
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263 |
Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source |
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96 |
Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source |
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2.04 X 1005 |
Calculated |
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5.31 |
Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source |
High |
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0.887 |
Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source |
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As this parameter is not normally measured directly, a surrogate measure is used: ‘Photochemical oxidative DT₅₀’. Where data is available, this can be found in the Fate Indices section below. |
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Soil adsorption and mobility |
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None
Terrestrial ecotoxicology |
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> 6000 |
Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source Rat |
Low |
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> 2000 |
Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source No adverse effects identified or expected. |
Low |
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> 1000 |
Q2 Q = Miscellaneous data from online sources 2 = Unverified data of unknown source Expert judgement |
Low |
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> 100 |
Q2 Q = Miscellaneous data from online sources 2 = Unverified data of unknown source Expert judgement |
Low |
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1.8 |
E3 E = Manufacturers safety data sheets 3 = Unverified data of known source Oncorhynchus mykiss |
Moderate |
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2.2 |
E3 E = Manufacturers safety data sheets 3 = Unverified data of known source Daphnia magna |
Moderate |
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HUMAN HEALTH AND PROTECTION |
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Low (class I) |
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> 6000 |
Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source Rat |
Low |
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5000 |
Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source Rabbit |
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Intraperitoneal LD₅₀ = 443.0 mg kg⁻¹ |
Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source Mouse |
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Carcinogen |
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Endocrine disruptor |
XNo, known not to cause a problem |
A0 A = Chromosome aberration (EFSA database) 0 = No data ; B0 B = DNA damage/repair (EFSA database) 0 = No data ; C0 C = Gene mutation (EFSA database) 0 = No data ; D0 D = Genome mutation (EFSA database) 0 = No data ; E3 E = Unspecified genotoxicity type (miscellaneous data source) 3 = Negative |
XNo, known not to cause a problem |
Reproduction / development effects |
Acetyl cholinesterase inhibitor |
Neurotoxicant |
XNo, known not to cause a problem |
XNo, known not to cause a problem |
XNo, known not to cause a problem |
Respiratory tract irritant |
Skin irritant |
Skin sensitiser |
?Possibly, status not identified |
✓Yes, known to cause a problem |
?Possibly, status not identified |
Eye irritant |
Phototoxicant |
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✓Yes, known to cause a problem |
No data found |
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May cause general depression in activity |
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No information available |
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Not listed (Not listed) |
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Not regulated |
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farnesol |
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Record last updated: |
23/08/2024 |
Contact: |
aeru@herts.ac.uk |
Please cite as: |
Lewis, K.A., Tzilivakis, J., Warner, D. and Green, A. (2016) An international database for pesticide risk assessments and management. Human and Ecological Risk Assessment: An International Journal, 22(4), 1050-1064. DOI: 10.1080/10807039.2015.1133242 |