Ipsenol |

Last updated: 25/08/2025
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(Not known by any other names) |
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. These hazard alerts do not take account of usage patterns or exposure, thus do not represent risk.
Environmental fate |
Ecotoxicity |
Human health |
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Insect attractant used to control Coleoptera species |
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Bark beetles e.g. Ips latidens |
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Pine trees |
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- |
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- |
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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 as a plant protection agent |
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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Yes |
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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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Ipsenol is a chiral molecule with the (S)-(-)-ipsenol being the most biologically active isomer |
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C₁₀H₁₈O |
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CC(C)CC(CC(=C)C=C)O |
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CC(C)C[C@@H](CC(=C)C=C)O |
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RHAXCOKCIAVHPB-JTQLQIEISA-N |
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InChI=1S/C10H18O/c1-5-9(4)7-10(11)6-8(2)3/h5,8,10-11H,1,4,6-7H2,2-3H3/t10-/m0/s1 |
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Yes |
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Insecticide; Semiochemical |
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Pheromone |
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- |
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- |
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Natural |
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Pheromone |
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Originally isolated from the bark beetle (Ips latidens) in British Columbia |
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Forestry |
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Bark beetles e.g. Ips latidens |
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Pine trees |
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- |
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35628-05-8 |
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238-254-1 |
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- |
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- |
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93186 |
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154.25 |
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- |
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(S)-2-methyl-6-methyleneoct-7-en-4-ol |
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(4S)-2-methyl-6-methylene-7-octen-4-ol |
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- |
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- |
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- |
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Not applicable |
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Not applicable |
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UNM |
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Not applicable |
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- |
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Clear, colourless liquid |
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Current |
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1966; identified; 1984, first isolated |
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- Ningbo Inno Pharmchem Co., Ltd
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- |
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Formulated into powder, liquid, and capsules |
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Ipsenol is commercially produced through synthetic methods due to the impracticality of extracting it from natural sources like beetles. Some manufacturers have developed proprietary chemical synthesis processes that yield high-purity ipsenol. These methods typically involve assembling the ipsenol molecule from smaller organic precursors using controlled reactions that ensure the correct stereochemistry, as the biologically active form is the (S)-(-)-isomer. |
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While exact CO₂e values are not published for specific pheromones, some general information is available. The PHERA reported that biotechnological production (e.g. yeast fermentation) of pheromones can reduce GHG emissions by up to 90% compared to traditional chemical synthesis and GHG emissions are typically in the 5 to 10 kg CO₂e per kg of pheromone produced. Other sources suggest that small scale pheromone synthesis typically has emissions in the range 1 – 3 kg CO₂e per kg of pheromone produced. |
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Insoluble |
Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source |
Insoluble |
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- |
- |
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- |
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- |
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200 |
Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source |
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- |
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77 |
Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source |
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- |
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- |
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- |
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- |
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0.858 |
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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> 5000 |
Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source Rat |
Low |
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- |
- |
- |
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- |
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- |
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- |
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> 2000 |
Q2 Q = Miscellaneous data from online sources 2 = Unverified data of unknown source No adverse effects identified or expected |
Low |
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- |
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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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> 100 |
Q2 Q = Miscellaneous data from online sources 2 = Unverified data of unknown source No adverse effects identified or expected |
Low |
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> 100 |
Q2 Q = Miscellaneous data from online sources 2 = Unverified data of unknown source No adverse effects identified or expected |
Low |
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Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source No adverse effects identified or expected |
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HUMAN HEALTH AND PROTECTION |
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Low (class I) |
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> 5000 |
Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source Rat |
Low |
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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 |
XNo, known not to cause a problem |
?Possibly, status not identified |
No data found |
Eye irritant |
Phototoxicant |
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?Possibly, status not identified |
No data found |
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No serious adverse effects identified |
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No information available |
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- |
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Not listed (Not listed) |
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Not regulated |
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ipsenol |
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Record last updated: |
25/08/2025 |
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 |