Sethoxydim (Ref: BAS 9052H)
Last updated: 20/01/2023
(Also known as: sethoxydime; cyethoxydim; NP 55)
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
A post-emergence, selective, annual and perennial grass weed herbicide
Barnyardgrass; Crabgrass; Cupgrass; Foxtail; Tall fescue; Johnsongrass; Junglerice; Tame oats; Itchgrass; Volunteer cereals; Stinkgrass
Alfalfa; Citrus; Sorghum; Corn; Small grains; Rice; Ornamental grass; Oilseed rape; Sugarbeet; Vegetables
-
Current
1983, Introduced USA
Not approved
Expired
No UK approval for use
EC Regulation 1107/2009 (repealing 91/414)
Not approved
Not applicable
Expired
-
Yes
ATAustria
BEBelgium
BGBulgaria
CYCyprus
CZCzech Republic
DEGermany
DKDenmark
EEEstonia
ELGreece
 
 
 
 
 
 
 
 
 
ESSpain
FIFinland
FRFrance
HRCroatia
HUHungary
IEIreland
ITItaly
LTLithuania
LULuxembourg
 
 
 
 
 
 
 
 
 
LVLatvia
MTMalta
NLNetherlands
PLPoland
PTPortugal
RORomania
SESweden
SISlovenia
SKSlovakia
 
 
 
 
 
 
 
 
 
A chiral molecule with unspecified sterochemistry
C₁₇H₂₉NO₃S
CCCC(=C1C(=O)CC(CC1=O)CC(C)SCC)NOCC
-
CSPPKDPQLUUTND-UHFFFAOYSA-N
InChI=1S/C17H29NO3S/c1-5-8-14(18-21-6-2)17-15(19)10-13(11-16(17)20)9-12(4)22-7-3/h12-13,19H,5-11H2,1-4H3/b18-14+
Yes
Herbicide
Cyclohexene herbicide; Cyclohexene oxime herbicide
-
-
Synthetic
Selective, systemic absorbed mainly by foliage. An acetyl CoA carboxylase inhibitor (ACCase).
74051-80-2
277-682-3
401
121001
52923
No data found
327.48
(5E)-2-[(1E)-N-ethoxybutanimidoyl]-5-[(2E)-2-(ethylsulfanyl)propyl]-3-hydroxycyclohex-2-en-1-one
(5RS)-2-[(EZ)-1-(ethoxyimino)butyl]-5-[(2RS)-2-(ethylthio)propyl]-3-hydroxycyclohex-2-en-1-one
2-(1-(ethoxyimino)butyl)-5-(2-(ethylthio)propyl)-3-hydroxy-2-cyclohexen-1-one
-
-
A
1
Not applicable
Not applicable
Many recorded cases, Alopecurus myosuroides , Avena fatua , Avena sterilis , Avena sterilis ludoviciana , Digitaria sanguinalis
Oily amber liquid
BASF Bayer CropScience Nippon Soda
Conclude Headline G Poast NABU
Usually supplied as an emulsifiable concentrate.
4700
High
-
-
-
Not applicable
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
-
-
-
-
-
-
-
-
-
-
4.47 X 1001
Calculated
-
1.65
Low
-
-
-
-
-
-
1.043
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
-
4.58
-
Weak acid
0.013
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Low volatility
1.39 X 10-06
Non-volatile
-
-
-
-
-
-
-
1.2
K4 K = Research datasets, e.g. Pandora, Demetra 4 = Verified data
Non-persistent
1
K4 K = Research datasets, e.g. Pandora, Demetra 4 = Verified data
Non-persistent
5
Non-persistent
-
-
-
-
-
-
-
-
-
Other sources: DT₅₀ 5-25 days (Q3), 1 day sandy soils (R3)
-
-
-
-
0.04
R3 R = Peer reviewed scientific publications 3 = Unverified data of known source
-
Navy bean leaves, n=1
0.02
K4 K = Research datasets, e.g. Pandora, Demetra 4 = Verified data
Fast
-
242
K3 K = Research datasets, e.g. Pandora, Demetra 3 = Unverified data of known source
Persistent
-
130
Q2 Q = Miscellaneous internet resources 2 = Unverified data of unknown source
Slow
17.8
K3 K = Research datasets, e.g. Pandora, Demetra 3 = Unverified data of known source
Slow
Soil adsorption and mobility
-
Moderately mobile
75
Literature values indicate little adsorption with values typicaly between 50 and 100 ml/g
-
-
-
-
-
-
-
1.49
Calculated
Low leachability
4.15 X 10-03
Calculated
-
-
Low
Calculated
-
Moderately mobile
Calculated
-
22.5
Whole fish
Low potential
Not available
-
Major fraction
0.560
-
Major fraction
0.190
-
Known groundwater metabolites
None
None
Terrestrial ecotoxicology
2676
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Rat
Low
17.2
L2 L = Pesticide manuals and hard copy reference books / other sources 2 = Unverified data of unknown source
Rat 2 year
High
-
-
-
-
-
> 5000
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Coturnix japonica
Low
-
-
-
-
-
-
> 542
Q3 Q = Miscellaneous internet resources 3 = Unverified data of known source
Moderate
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
> 10
K4 K = Research datasets, e.g. Pandora, Demetra 4 = Verified data
Moderate
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Harmless at dose 3160 g ha⁻¹
AA3 AA = IOBC Database on classification of side effects to beneficial organisms, 2005 3 = Unverified data of known source
Chrysoperla carnea
-
-
-
-
Moderately harmful at dose 3160 g ha⁻¹
AA3 AA = IOBC Database on classification of side effects to beneficial organisms, 2005 3 = Unverified data of known source
Typhlodromus pyri
-
-
-
-
> 170
Oncorhynchus mykiss
Low
0.18
P3 P = Other governments and regulators 3 = Unverified data of known source
Lepomis macrochirus 4 day
Moderate
> 1.5
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Daphnia magna
Moderate
-
-
-
> 0.700
Americamysis bahia
Moderate
-
-
-
-
-
-
-
-
-
0.28
Lemna gibba
Moderate
0.64
D4 D = Agricultural Research Information System (ARIS) Database 4 = Verified data
Unknown species
Moderate
-
-
-
-
-
-
-
-
-
HUMAN HEALTH AND PROTECTION
High (class III)
-
-
2676
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Rat
Low
5000
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Rat
-
6.28
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Rat 4 hr
-
-
-
-
0.14
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
May be absorbed through the skin
EU MRL pesticide database 
GB MRL levels for some commodities subject to change in late 2021
-
-
-
-
-
-
-
-
-
Carcinogen
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
; E3 E = Unspecified genotoxicity type (miscellaneous data source) 3 = Negative
No data found
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
✓Yes, known to cause a problem
?Possibly, status not identified
No data found
Eye irritant
Phototoxicant
 
✓Yes, known to cause a problem
No data found
 
Possible thyroid, liver and bone marrow toxicant May cause lung damage if swallowed
No information available
Not classified: Obsolete
III (Slightly hazardous)
-
-
sethoxydim
séthoxydime
Sethoxydim
sethoxydim
setossidim
setoxidim
-
setoksydim
-
-
setoxidim
Record last updated:
20/01/2023
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