Pyrifenox (Ref: CGA 179945)
Last updated: 19/01/2023
(Also known as: ethanone; NRK 297)
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 fungicide for the control of powdery mildew, scab and other fungal pathogens on a range of crops
Powdery mildew; Scab; Leafspot; Blossom blight
Fruit including apples, pears, cherries, peaches, apricots; Peanuts; Sugarbeet; Vegetables
-
-
1986, first reported and marketed
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
 
 
 
 
 
 
 
 
 
Isomeric existing in the Z- and E-forms
C₁₄H₁₂Cl₂N₂O
CON=C(CC1=CN=CC=C1)C2=C(C=C(C=C2)Cl)Cl
CO/N=C(/CC1=CN=CC=C1)\C2=C(C=C(C=C2)Cl)Cl
CKPCAYZTYMHQEX-UHFFFAOYSA-N
InChI=1S/C14H12Cl2N2O/c1-19-18-14(7-10-3-2-6-17-9-10)12-5-4-11(15)8-13(12)16/h2-6,8-9H,7H2,1H3/b18-14-
Yes
Fungicide
Pyridine fungicide
-
-
Synthetic
Systemic with protective and curative action. Disrupts membrane function.
88283-41-4
618-138-0
448
-
6023583
No data found
295.16
-
2',4'-dichloro-2-(3-pyridyl)acetophenone (EZ)-O-methyloxime
1-(2,4-dichlorophenyl)-2-(3-pyridinyl)ethanone O-methyloxime
PAN listed Highly Hazardous Chemical
-
Not applicable
Not applicable
Not applicable
3
-
Pale yellow viscous liquid
Usually supplied as an emulsifiable concentrate or wettable powder.
300
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Moderate
210000
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
n-Hexane
-
Miscible
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Acetone
-
Miscible
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Toluene
-
Miscible
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Ethanol
-
Not applicable
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
-
212
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
-
-
-
-
106
L2 L = Pesticide manuals and hard copy reference books / other sources 2 = Unverified data of unknown source
-
2.51 X 1003
Calculated
-
3.4
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
High
-
-
-
-
-
-
1.28
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
-
4.61
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
-
Weak acid
1.7
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Low volatility
5.80 X 10-03
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Non-volatile
-
-
-
-
-
-
-
66
K4 K = Research datasets, e.g. Pandora, Demetra 4 = Verified data
Moderately persistent
-
-
-
66
K4 K = Research datasets, e.g. Pandora, Demetra 4 = Verified data
Moderately persistent
-
-
-
-
-
-
-
-
-
Defra DT₅₀ range 50-120 days
-
-
-
-
-
-
-
-
0.73
K4 K = Research datasets, e.g. Pandora, Demetra 4 = Verified data
Fast
-
56
K4 K = Research datasets, e.g. Pandora, Demetra 4 = Verified data
Moderately persistent
Other data: Stable pH 3 to pH 9 (L3)
-
-
-
365
K4 K = Research datasets, e.g. Pandora, Demetra 4 = Verified data
Stable
Soil adsorption and mobility
-
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Slightly mobile
980
-
-
-
-
-
-
-
-
1.84
Calculated
Transition state
6.39 X 10-02
Calculated
-
-
Medium
Calculated
-
Slightly mobile
Calculated
-
-
-
-
-
-
None
Terrestrial ecotoxicology
2912
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Rat
Low
15
L2 L = Pesticide manuals and hard copy reference books / other sources 2 = Unverified data of unknown source
Rat 2 year
High
-
-
-
-
-
> 2000
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Anas platyrhynchos
Low
-
-
-
-
-
-
733
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Moderate
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
70
K3 K = Research datasets, e.g. Pandora, Demetra 3 = Unverified data of known source
Apis mellifera
Moderate
59
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Apis mellifera
Moderate
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
> 6.6
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Lepomis macrochirus
Moderate
-
-
-
> 3.6
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Daphnia magna
Moderate
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0.095
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Scenedemus subspicatus
Moderate
-
-
-
-
-
-
-
-
-
HUMAN HEALTH AND PROTECTION
High (class III)
-
-
2912
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
-
2.05
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Rat
-
-
-
-
0.1
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
EU MRL pesticide database 
-
-
-
-
-
-
-
-
-
-
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
; E0 E = Unspecified genotoxicity type (miscellaneous data source) 0 = No data
✓Yes, known 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
No data found
Respiratory tract irritant
Skin irritant
Skin sensitiser
No data found
✓Yes, known to cause a problem
No data found
Eye irritant
Phototoxicant
 
XNo, known not to cause a problem
No data found
 
Harmful if swallowed Endocrine issues - Weak estrogen inhibition
No information available
Health: H302 Environment: H400, H410
III (Slightly hazardous)
-
-
pyrifenox
pyrifénox
Pyrifenox
pyrifenox
pirifenox
pirifenox
-
pyrifenoks
-
-
pyrifenox
Record last updated:
19/01/2023
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