Mecoprop sodium |
Last updated: 03/03/2024
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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.
Environmental fate |
Ecotoxicity |
Human health |
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Mecoprop sodium rapidly breaks to mecoprop acid which is a herbicide for post-emergence control of broad-leaved weeds on grass |
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Cleavers; Chickweed; Clover; Plantains; Ground ivy; Knotweed; Bluegrasses; Bent grass |
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Lawns; Sports fields; Golf courses; Fairways; Cereals including wheat, barley, oats, triticale |
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Mecoprop is an established herbicide used across the Europe for broad leaved weed control for many years. |
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Current |
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Not approved |
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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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Yes (as mecoprop) |
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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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This is a variant of technical mecoprop which itself is chiral. Isomeric mixture. |
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C₁₀H₁₀ClNaO₃ |
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CC1=C(C=CC(=C1)Cl)OC(C)C(=O)[O-].[Na+] |
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DHJHUXNTNSRSEX-UHFFFAOYSA-M |
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InChI=1S/C10H11ClO3.Na/c1-6-5-8(11)3-4-9(6)14-7(2)10(12)13;/h3-5,7H,1-2H3,(H,12,13);/q;+1/p-1 |
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Yes |
Cambridge Crystallographic Data Centre diagrams |
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Common Name |
Relationship |
Link |
mecoprop |
Parent |
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Herbicide |
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Phenoxypropionic herbicide |
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Synthetic |
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Selective, systemic, absorbed through leaves and translocated to roots. Synthetic auxin. |
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19095-88-6 |
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242-815-6 |
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51 |
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23672313 |
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No data found |
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236.63 |
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rac-sodium (2R)-2-(4-chloro-2-methylphenoxy)propanoate |
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sodium (RS)-2-[(4-chloro-o-tolyl)oxy]propionate |
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sodium 2-(4-chloro-2-methylphenoxy)propanoate |
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O |
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4 |
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Not applicable |
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Not applicable |
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Does not dissociate |
Q4 Q = Miscellaneous data from online sources 4 = Verified data |
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Not readily biodegradable |
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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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Cannot be calculated |
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Known groundwater metabolites |
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None
None
Terrestrial ecotoxicology |
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HUMAN HEALTH AND PROTECTION |
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High (class III) |
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2000 |
Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source Rat |
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0.01 |
as mecoprop |
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None allocated |
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0.04 |
as mecoprop |
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EU MRL pesticide database |
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Carcinogen |
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Endocrine disruptor |
XNo, known not to cause a problem |
A3 A = Chromosome aberration (EFSA database) 3 = Negative ; 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 |
XNo, known not to cause a problem |
Reproduction / development effects |
Acetyl cholinesterase inhibitor |
Neurotoxicant |
✓Yes, known 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 |
?Possibly, status not identified |
✓Yes, known to cause a problem |
Eye irritant |
Phototoxicant |
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XNo, known not to cause a problem |
XNo, known not to cause a problem |
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Possible kidney & liver toxicant |
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Not expected to auto-ignite, Not highly flammable Not explosive or oxidising IMDG Transport Hazard Class 9 |
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Health: H302, H317 Environment: H400, H410 |
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Not listed (Not listed) |
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UN3077 |
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Packaging Group III (minor danger) |
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mecoprop sodium |
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Record last updated: |
03/03/2024 |
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 |