Isoxapyrifop (Ref: HOK-1566)
Last updated: 11/09/2023
(Also known as: HOK-868; RH 0898)
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
 
An obsolete selective herbicide that was used to control grassy weeds in cereals and rice crops
Grass weeds
Rice; Wheat
-
Considered obsolete but may be available in some countries
1989, first reported
Not approved
Not applicable
No UK approval for use
EC Regulation 1107/2009 (repealing 91/414)
Not approved
Not applicable
Not applicable
Not applicable
No
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
 
 
 
 
 
 
 
 
 
ISIceland
NONorway
 
 
 
 
 
 
 
 
 
Isoxapyrifop is a chiral molecule. Substance is racemic.
C₁₇H₁₆Cl₂N₂O₄
CC(C(=O)N1CCCO1)OC2=CC=C(C=C2)OC3=C(C=C(C=N3)Cl)Cl
-
ANFHKXSOSRDDRQ-UHFFFAOYSA-N
InChI=1S/C17H16Cl2N2O4/c1-11(17(22)21-7-2-8-23-21)24-13-3-5-14(6-4-13)25-16-15(19)9-12(18)10-20-16/h3-6,9-11H,2,7-8H2,1H3
Yes
Herbicide
Aryloxyphenoxypropionate herbicide
-
-
Synthetic
Fatty acid synthesis inhibitor - acts by inhibition of acetyl CoA carboxylase (ACCase) resulting in stunted growth of meristematic tissue.
87757-18-4
No data found
None allocated
-
174656
No data found
383.2
rac-(2R)-2-(2-{4-[(3,5-dichloropyridin-2-yl)oxy]phenoxy}propanoyl)-1,2-oxazolidine
(RS)-2-[2-[4-(3,5-dichloro-2-pyridyloxy)phenoxy]propionyl]-1,2-oxazolidine
2-[2-[4-[(3,5-dichloro-2-pyridinyl)oxy]phenoxy]-1-oxopropyl]isoxazolidine
-
-
A
1
Not applicable
Not applicable
-
Clear cyrstalline solid
Obsolete - not thought to be commercially available for crop protection applications
-
9.8
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Low
-
-
-
121
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
-
-
-
-
-
-
-
-
-
-
2.29 X 1003
Calculated
-
3.36
High
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
2
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Non-persistent
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
General literature states DT₅₀ 1-4 days
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-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Soil adsorption and mobility
-
-
-
Cannot be calculated
-
-
-
-
-
-
-
-
-
-
-
-
-
-
None
Terrestrial ecotoxicology
> 500
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Rat
Moderate
-
-
-
-
-
-
-
-
> 5000
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Coturnix japonica
Low
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1.3
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Oncorhynchus mykiss
Moderate
-
-
-
> 10
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Daphnia magna
Moderate
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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-
HUMAN HEALTH AND PROTECTION
High (class III)
-
-
> 500
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Rat
Moderate
2000
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Rabbit
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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-
EU MRL pesticide database 
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-
-
-
-
-
-
-
-
-
Carcinogen
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
; E3 E = Unspecified genotoxicity type (miscellaneous data source) 3 = Negative
No data found
Reproduction / development effects
Acetyl cholinesterase inhibitor
Neurotoxicant
No data found
No data found
XNo, known not to cause a problem
Respiratory tract irritant
Skin irritant
Skin sensitiser
No data found
✓Yes, known to cause a problem
No data found
Eye irritant
Phototoxicant
 
✓Yes, known to cause a problem
No data found
 
No further information available
No information available
-
III (Slightly hazardous)
-
-
-
isoxapyrifop
isoxapyrifop
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-
-
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-
-
-
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-
Record last updated:
11/09/2023
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