Pentacosane |
Last updated: 11/05/2024
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(Also known as: n-pentacosane) |
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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An aliphatic saturated hydrocarbon found in most insects that is used as an attractant for aphid parasitoids |
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Aphids |
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Vegetables |
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Current |
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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 pesticide |
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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C₂₅H₅₂ |
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CCCCCCCCCCCCCCCCCCCCCCCCC |
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YKNWIILGEFFOPE-UHFFFAOYSA-N |
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InChI=1S/C25H52/c1-3-5-7-9-11-13-15-17-19-21-23-25-24-22-20-18-16-14-12-10-8-6-4-2/h3-25H2,1-2H3 |
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Yes |
Cambridge Crystallographic Data Centre diagrams |
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Common Name |
Relationship |
Link |
pentacosane |
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Semiochemical, Insecticide |
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Animal-derived substance; Plant-derived substance; Pheromone |
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>97% |
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Natural |
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Contact sex pheromone released by the female of the species and used in traps. Short lived activity. |
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A substance that occurs naturally in most insects, natutal waxes and some plants |
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Extracted from beeswax but also found in other natural waxes and some plants including Euphorbia piscatoria and Vanilla madagascariensis |
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Crop protection |
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Aphids |
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Vegetables |
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- |
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629-99-2 |
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211-123-6 |
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None |
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- |
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12406 |
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352.69 |
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- |
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n-pentacosane |
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n-pentacosane |
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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 solid |
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n-Pentacosane |
Fine Chemicals |
n-Pentacosane |
MP Biomedicals |
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- |
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0.005 |
Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source |
Low |
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54 |
E3 E = Manufacturers safety data sheets 3 = Unverified data of known source |
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401 |
E3 E = Manufacturers safety data sheets 3 = Unverified data of known source |
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>230 |
E3 E = Manufacturers safety data sheets 3 = Unverified data of known source |
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4.17 X 1012 |
Calculated |
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12.62 |
Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source |
High |
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0.80 |
Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source |
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0.266 |
E3 E = Manufacturers safety data sheets 3 = Unverified data of known source |
Low volatility. If applied directly to plants, drift is a concern & mitigation is advisable |
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3.77 X 1007 |
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Volatile |
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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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> 100 |
Q2 Q = Miscellaneous data from online sources 2 = Unverified data of unknown source |
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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HUMAN HEALTH AND PROTECTION |
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Low (class I) |
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Carcinogen |
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Endocrine disruptor |
No data found |
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 ; E0 E = Unspecified genotoxicity type (miscellaneous data source) 0 = No data |
No data found |
Reproduction / development effects |
Acetyl cholinesterase inhibitor |
Neurotoxicant |
No data found |
No data found |
No data found |
Respiratory tract irritant |
Skin irritant |
Skin sensitiser |
✓Yes, known to cause a problem |
✓Yes, known to cause a problem |
No data found |
Eye irritant |
Phototoxicant |
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✓Yes, known to cause a problem |
No data found |
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Digestive tract irritant Prevent skin exposure |
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Incompatible with strong oxiding agents |
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Not listed (Not listed) |
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pentacosane |
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Record last updated: |
11/05/2024 |
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 |