Pyroxasulfone (Ref: KIH-485)
Last updated: 13/10/2023
(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
A selective pre-emergence grass and broad-leaved weed herbicide
Foxtail; Nutsedge; Lambsquarters; Velvetleaf; Ragweed; Pigweed
Corn; Wheat; Soybean
-
Current
2005
Not approved
Not applicable
No UK approval for use
EC Regulation 1107/2009 (repealing 91/414)
Not approved
Not applicable
Not applicable
Not applicable
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
 
 
 
 
 
 
 
 
 
ISIceland
NONorway
 
 
 
 
 
 
 
 
 
None
C₁₂H₁₄F₅N₃O₄S
CC1(CC(=NO1)S(=O)(=O)CC2=C(N(N=C2C(F)(F)F)C)OC(F)F)C
-
CASLETQIYIQFTQ-UHFFFAOYSA-N
InChI=1S/C12H14F5N3O4S/c1-11(2)4-7(19-24-11)25(21,22)5-6-8(12(15,16)17)18-20(3)9(6)23-10(13)14/h10H,4-5H2,1-3H3
Yes
Herbicide
Oxazole herbicide; Pyrzole herbicide
-
-
Synthetic
Inhibition of very-long-chain fatty acid elongase (VLCFAE)
447399-55-5
800-417-5
-
090099
11556910
No data found
391.32
3-{[5-(difluoromethoxy)-1-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl]methanesulfonyl}-5,5-dimethyl-4,5-dihydro-1,2-oxazole
3-[5-(difluoromethoxy)-1-methyl-3-(trifluoromethyl)pyrazol-4-ylmethylsulfonyl]-4,5-dihydro-5,5-dimethyl-1,2-oxazole
3-[[[5-(difluoromethoxy)-1-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl]methyl]sulfonyl]-4,5-dihydro-5,5-dimethylisoxazole
-
-
K3
15
Not applicable
Not applicable
-
White crystalline solid with slight characteristic odour
3.49
E4 E = Manufacturers safety data sheets 4 = Verified data
Low
-
-
-
130.7
E4 E = Manufacturers safety data sheets 4 = Verified data
-
-
-
-
-
-
-
-
-
-
2.45 X 1002
Calculated
-
2.39
E3 E = Manufacturers safety data sheets 3 = Unverified data of known source
at 25 °C
Low
-
-
-
-
-
-
1.600
E4 E = Manufacturers safety data sheets 4 = Verified data
-
-
-
-
-
2.4 X 10-03
E4 E = Manufacturers safety data sheets 4 = Verified data
at 25 °C
Low volatility
-
-
-
-
-
-
-
-
-
-
22
E4 E = Manufacturers safety data sheets 4 = Verified data
Non-persistent
-
-
-
22
E4 E = Manufacturers safety data sheets 4 = Verified data
Non-persistent
-
-
-
-
-
-
-
-
-
Manufacters data DT₅₀ field range 16-26 days
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Soil adsorption and mobility
-
E4 E = Manufacturers safety data sheets 4 = Verified data
Moderately mobile
223
Manufacturers data Koc range 119-226 mL g⁻¹
-
-
-
-
-
-
-
2.22
Calculated
Transition state
8.75 X 10-02
Calculated
-
-
Low
Calculated
-
Moderately mobile
Calculated
-
-
-
-
-
-
None
Terrestrial ecotoxicology
> 2000
E4 E = Manufacturers safety data sheets 4 = Verified data
Rat
Low
-
-
-
-
-
-
-
-
> 2250
E4 E = Manufacturers safety data sheets 4 = Verified data
Colinus virginianus
Low
-
-
-
-
-
-
> 997
E4 E = Manufacturers safety data sheets 4 = Verified data
Eisenia foetida
Moderate
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
> 100
E4 E = Manufacturers safety data sheets 4 = Verified data
Low
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
> 2.2
E4 E = Manufacturers safety data sheets 4 = Verified data
Oncorhynchus mykiss
Moderate
-
-
-
> 4.4
E4 E = Manufacturers safety data sheets 4 = Verified data
Daphnia magna
Moderate
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0.00038
E4 E = Manufacturers safety data sheets 4 = Verified data
Pseudokirchneriella subcapitata
High
-
-
-
-
-
-
-
-
-
HUMAN HEALTH AND PROTECTION
High (class III)
-
-
> 2000
E4 E = Manufacturers safety data sheets 4 = Verified data
Rat
Low
2000
E4 E = Manufacturers safety data sheets 4 = Verified data
Rat
-
> 6.56
E4 E = Manufacturers safety data sheets 4 = Verified data
Rat
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
EU MRL pesticide database 
-
-
-
-
-
-
-
-
-
-
Carcinogen
Endocrine disruptor
?Possibly, status not identified
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
XNo, known not to cause a problem
No data found
Respiratory tract irritant
Skin irritant
Skin sensitiser
No data found
No data found
No data found
Eye irritant
Phototoxicant
 
No data found
No data found
 
Possible liver, kidney, urinary bladder and cadiovascular toxicant US EPA - possible human carcinogen at high doses
No information available
Health: H373 Environment: H400, H410
Not listed (Not listed)
-
-
-
pyroxasulfone
-
-
-
-
-
-
-
-
-
-
-
Record last updated:
13/10/2023
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