Sordidin |

Last updated: 25/08/2025
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(Also known as: Banana corm weevil aggregation 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. 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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A volatile substance used as an attractant and lure for the banana corm weevil |
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Banana corm weevil (Cosmopolities sordidus) |
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Banana; Plantain |
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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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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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Sordidin is a chiral molecule with a bicyclic structure. The commercial material is a racemic mixture of its four isomers (a, b, c & d) |
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C₁₁H₂₀O₂ |
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CCC12C(CC(O1)(CC(O2)C)C)C |
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CC[C@@]12[C@H](C[C@@](O1)(C[C@H](O2)C)C)C |
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LOGJGKGBKZOEKZ-ZDCRXTMVSA-N |
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InChI=1S/C11H20O2/c1-5-11-8(2)6-10(4,13-11)7-9(3)12-11/h8-9H,5-7H2,1-4H3/t8-,9+,10+,11-/m0/s1 |
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Yes |
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Insecticide; Semiochemical |
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Pheromone |
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>90% |
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- |
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Natural |
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Functions as an insect attractant and lures both the male and the female weevils into traps |
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Originally isolated from adult corm weevils (Cosmopolities sordidus) |
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Crop protection |
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Banana corm weevil (Cosmopolities sordidus) |
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Banana; Plantain |
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- |
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162490-88-2 |
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- |
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- |
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- |
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184.28 |
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- |
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(1R,3R,5S,6S)-5-ethyl-1,3,6-trimethyl-4,8-dioxabicyclo[3.2.1]octane |
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1-ethyl-3,5,7-trimethyl-2,8-dioxabicyclo[3.2.1]octane |
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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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Colourless liquid |
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Current |
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1993, first reported; 1995, first isolated |
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Usually supplied as an isomer mix in slow release formulations and dispensers |
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Sordidin is produced commercially through a multi-step stereoselective synthesis that begins with readily available precursors like 4-methylpent-4-en-2-ol. The process involves the formation of syn and anti epoxides, which are then selectively alkylated using ketimine or hydrazone derivatives to build the bicyclic core structure. These intermediates undergo acid-promoted cyclization to yield the four stereoisomers of sordidin. |
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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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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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> 2538 |
L3 L = Pesticide manuals and hard copy reference books / other 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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> 100 |
Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source No adverse effects identified or expected. |
Low |
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> 100 |
Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source No adverse effects identified or expected. |
Low |
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HUMAN HEALTH AND PROTECTION |
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> 2538 |
L3 L = Pesticide manuals and hard copy reference books / other 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 |
No data found |
No data found |
No data found |
Eye irritant |
Phototoxicant |
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No data found |
No data found |
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No adverse human health issues identified |
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No information available |
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Not listed (Not listed) |
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sordidin |
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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 |