Orysastrobin
Last updated: 17/08/2023
(Not known by any other names)
Orysastrobin is a rice fungicide. It has a moderate aqueous solubility, is volatile and, based on its chemical properties, is mobile and can be expected to leach to groundwater. It is generally moderately persistent in soil systems but will not usually persist in aquatic systems under certain conditions. It is not generally susceptible to hydrolysis. It has a moderate mammalian toxicity and has a high potential to bioaccumulate. It is moderately toxic to most aquatic species, birds and earthworms but relatively non-toxic to honeybees.
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 rice fungicide that is highly effective against rice blast and other fungal pathogens.
Magnaporthe oryzae; Pyricularia oryzae; Thanatephorus cucumeris; Rhizoctonia solani
Rice
-
Current
2006
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
 
 
 
 
 
 
 
 
 
An achiral molecule, with no optical activity or defined stereocenters but which does have 4 E/Z centres.
C₁₈H₂₅N₅O₅
CC(=NOC)C(=NOC)C(=NOCC1=CC=CC=C1C(=NOC)C(=O)NC)C
C/C(=N\OC)/C(=N\OC)/C(=N/OCC1=CC=CC=C1/C(=N\OC)/C(=O)NC)/C
JHIPUJPTQJYEQK-ZLHHXESBSA-N
InChI=1S/C18H25N5O5/c1-12(20-25-4)16(22-26-5)13(2)21-28-11-14-9-7-8-10-15(14)17(23-27-6)18(24)19-3/h7-10H,11H2,1-6H3,(H,19,24)/b20-12+,21-13+,22-16+,23-17+/f/h19H
Yes
Fungicide
Strobilurin fungicide; Amide fungicide; Methoxyiminoacetamide strobilurin fungicide
-
-
Synthetic
Systemic, broad spectrum with protective and curative properties. Interferes with the respiration process. Respiration inhibitor (QoL fungicide).
248593-16-0
607-448-1
None allocated
-
11486133
No data found
391.43
(2E)-2-(methoxyimino)-2-{2-[(3E,5E,6E)-5-(methoxyimino)-4,6-dimethyl-2,8-dioxa-3,7-diazanona-3,6-dien-1-yl]phenyl}-N-methylacetamide
(2E)-2-(methoxyimino)-2-{2-[(3E,5E,6E)-5-(methoxyimino)-4,6-dimethyl-2,8-dioxa-3,7-diazanona-3,6-dien-1-yl]phenyl}-N-methylacetamide
(αE)-α-(methoxyimino)-2-[(3E,5E,6E)-5-(methoxyimino)-4,6-dimethyl-2,8-dioxa-3,7-diaza-3,6-nonadienyl]-N-methylbenzeneacetamide
-
-
Not applicable
Not applicable
Not applicable
11
-
-
80.6
R4 R = Peer reviewed scientific publications 4 = Verified data
Moderate
206000
R4 R = Peer reviewed scientific publications 4 = Verified data
Ethyl acetate
-
590
R4 R = Peer reviewed scientific publications 4 = Verified data
n-Heptane
-
125000
R4 R = Peer reviewed scientific publications 4 = Verified data
Toluene
-
33900
R4 R = Peer reviewed scientific publications 4 = Verified data
Propanol
-
99
R4 R = Peer reviewed scientific publications 4 = Verified data
-
-
-
-
-
-
-
-
-
-
2.29 X 1002
Calculated
-
2.36
R4 R = Peer reviewed scientific publications 4 = Verified data
Low
-
-
-
-
-
-
-
-
-
-
-
-
-
7.0 X 10-04
R4 R = Peer reviewed scientific publications 4 = Verified data
Low volatility
-
-
-
-
-
-
-
-
-
-
55
R4 R = Peer reviewed scientific publications 4 = Verified data
Moderately persistent
-
-
-
55
R4 R = Peer reviewed scientific publications 4 = Verified data
Moderately persistent
-
-
-
-
-
-
-
-
-
Manufacturers published information gives DT₅₀ 51-58 days for field studies
-
-
-
-
-
-
-
-
0.8
R4 R = Peer reviewed scientific publications 4 = Verified data
Fast
-
365
R4 R = Peer reviewed scientific publications 4 = Verified data
Very persistent
-
-
-
-
-
-
-
Soil adsorption and mobility
-
R4 R = Peer reviewed scientific publications 4 = Verified data
Moderately mobile
92
Manufacturers published information gives Koc range 17.9-146 mL g⁻¹
-
-
-
-
-
-
-
3.54
Calculated
High leachability
6.25 X 10-01
Calculated
-
-
Medium
Calculated
-
Moderately mobile
Calculated
-
Low risk
Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source
Based on LogP < 3
Low risk
-
-
None
Terrestrial ecotoxicology
> 356
R4 R = Peer reviewed scientific publications 4 = Verified data
Rat
Moderate
-
-
-
-
-
-
-
-
> 2000
R4 R = Peer reviewed scientific publications 4 = Verified data
Colinus virginianus
Low
-
-
-
-
-
-
1000
R4 R = Peer reviewed scientific publications 4 = Verified data
Eisenia foetida
Moderate
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
142
R3 R = Peer reviewed scientific publications 3 = Unverified data of known source
Low
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0.89
R4 R = Peer reviewed scientific publications 4 = Verified data
Oncorhynchus mykiss
Moderate
-
-
-
1.3
R4 R = Peer reviewed scientific publications 4 = Verified data
Daphnia magna
Moderate
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
7.1
R4 R = Peer reviewed scientific publications 4 = Verified data
Pseudokirchneriella subcapitata
Moderate
-
-
-
-
-
-
-
-
-
HUMAN HEALTH AND PROTECTION
High (class III)
-
-
> 356
R4 R = Peer reviewed scientific publications 4 = Verified data
Rat
Moderate
2000
R4 R = Peer reviewed scientific publications 4 = Verified data
Rat
-
2.02
R4 R = Peer reviewed scientific publications 4 = Verified data
Rat
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
EU MRL pesticide database 
-
-
-
-
-
-
-
-
-
-
Carcinogen
Endocrine disruptor
?Possibly, status not identified
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
No data found
Reproduction / development effects
Acetyl cholinesterase inhibitor
Neurotoxicant
?Possibly, status not identified
No data found
No data found
Respiratory tract irritant
Skin irritant
Skin sensitiser
No data found
XNo, known not to cause a problem
No data found
Eye irritant
Phototoxicant
 
XNo, known not to cause a problem
No data found
 
Toxic by inhalation CLP data - suspected carcinogen
No information available
Health: H302, H332, H351 Environment: H410
Not listed (Not listed)
-
-
-
orysastrobin
-
-
-
-
-
-
orysastrobina
-
-
-
-
Record last updated:
17/08/2023
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