Pyrazosulfuron-ethyl (Ref: NC 311)
Last updated: 10/09/2023
(Also known as: Agreen; pyrazosulphuron-ethyl)
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
Mainly used to control broad-leaved weeds, grasses and sedges in rice
Barnyard grass; Tidalmarsh flatsedge (Cyperus serotinus ); Jungle rice (Echinochloa colona )
Rice
-
Current
1989, first reported; 1990, first introduced
Not approved
Expired
No UK approval for use
EC Regulation 1107/2009 (repealing 91/414)
Not approved
Netherlands
Expired
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
 
 
 
 
 
 
 
 
 
None
C₁₄H₁₈N₆O₇S
CCOC(=O)C1=C(N(N=C1)C)S(=O)(=O)NC(=O)NC2=NC(=CC(=N2)OC)OC
-
BGNQYGRXEXDAIQ-UHFFFAOYSA-N
InChI=1S/C14H18N6O7S/c1-5-27-12(21)8-7-15-20(2)11(8)28(23,24)19-14(22)18-13-16-9(25-3)6-10(17-13)26-4/h6-7H,5H2,1-4H3,(H2,16,17,18,19,22)
Yes
Cambridge Crystallographic Data Centre diagrams
Common Name
Relationship
Link
pyrazosulfuron-ethyl
-
Herbicide
Sulfonylurea herbicide; Pyrazole herbicide; Pirimidinylsulfonylurea herbicide; Urea herbicide
-
-
Synthetic
Broad-spectrum activity, absorbed by roots and translocated through out plant by controlling the synthesis of amino acids. Inhibits plant amino acid synthesis - acetohydroxyacid synthase AHAS
93697-74-6
618-964-1
None allocated
-
91750
No data found
414.29
ethyl 5-{[(4,6-dimethoxypyrimidin-2-yl)carbamoyl]sulfamoyl}-1-methyl-1H-pyrazole-4-carboxylate
ethyl 5-[(4,6-dimethoxypyrimidin-2-ylcarbamoyl)sulfamoyl]-1-methylpyrazole-4-carboxylate
ethyl 5-[[[[(4,6-dimethoxy-2-pyrimidinyl)amino]carbonyl]amino]sulfonyl]-1-methyl-1H-pyrazole-4-carboxylate
-
-
B
2
Not applicable
Not applicable
Bacopa rotundifolia , Cyperus difformis
Greyish white crystalline solid
Nissan Chemicals King Tech Corp
Sirius 70 WG Sideral Saathi Act Sunwell
Usually supplied as wettage granules, suspension concentrates and wettable powders
14.5
at 25 °C
Low
200
Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source
Hexane
-
15600
Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source
Benzene
-
31780
Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source
Acetone
-
234400
Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source
Chloroform
-
181.5
-
-
-
-
-
-
-
-
-
-
1.45 X 1003
Calculated
-
3.16
P3 P = Other non-EU, UK or US Governments and Regulators 3 = Unverified data of known source
High
-
-
-
-
-
-
1.55
Q2 Q = Miscellaneous data from online sources 2 = Unverified data of unknown source
-
3.7
-
Weak acid
0.0147
Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source
Low volatility
-
-
-
-
-
-
-
-
-
-
15
P3 P = Other non-EU, UK or US Governments and Regulators 3 = Unverified data of known source
Non-persistent
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Best available data DT₅₀ 10-28 days, 15 days (P3)
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Soil adsorption and mobility
-
Q2 Q = Miscellaneous data from online sources 2 = Unverified data of unknown source
Moderately mobile
154
-
-
-
-
-
-
-
-
2.13
Calculated
Transition state
6.41 X 10-02
Calculated
-
-
Low
Calculated
-
Moderately mobile
Calculated
-
-
-
-
-
-
Known groundwater metabolites
None
None
Terrestrial ecotoxicology
> 5000
P3 P = Other non-EU, UK or US Governments and Regulators 3 = Unverified data of known source
Mouse
Low
-
-
-
-
-
-
-
-
2250
Q2 Q = Miscellaneous data from online sources 2 = Unverified data of unknown source
Colinus virginianus
Low
-
-
-
-
-
-
8000
P3 P = Other non-EU, UK or US Governments and Regulators 3 = Unverified data of known source
Eisenia foetida
Low
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
100
P3 P = Other non-EU, UK or US Governments and Regulators 3 = Unverified data of known source
Moderate
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
180.0
Q2 Q = Miscellaneous data from online sources 2 = Unverified data of unknown source
Oncorhynchus mykiss
Low
-
-
-
700
P3 P = Other non-EU, UK or US Governments and Regulators 3 = Unverified data of known source
Daphnia magna
Low
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
150
Q2 Q = Miscellaneous data from online sources 2 = Unverified data of unknown source
Scenedesmus acutus
Low
-
-
-
-
-
-
-
-
-
HUMAN HEALTH AND PROTECTION
High (class III)
-
-
> 5000
P3 P = Other non-EU, UK or US Governments and Regulators 3 = Unverified data of known source
Mouse
Low
2000
P3 P = Other non-EU, UK or US Governments and Regulators 3 = Unverified data of known source
Rat
-
3.9
P3 P = Other non-EU, UK or US Governments and Regulators 3 = Unverified data of known source
Rat
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
EU MRL pesticide database 
-
-
-
-
-
-
-
-
-
-
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
; 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
?Possibly, status not identified
?Possibly, status not identified
No data found
Eye irritant
Phototoxicant
 
?Possibly, status not identified
No data found
 
Harmful if inhaled
No information available
Health: H332
U (Unlikely to present an acute hazard)
-
-
-
pyrazosulfuron-ethyl
-
-
-
-
-
-
pirazosulfuron etylowy
-
-
-
-
Record last updated:
10/09/2023
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