Thiazafluron
Last updated: 01/09/2023
(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
An obsolete substituted urea herbicide to control annual and perennial broad-leaved weeds
Total vegetation including difficult to control weeds such as nut-grass (Cyperus rotundas )
Non-crop areas such as roads, railways, industrial sites, rangeland
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Considered obsolete but may be available in some countries
1973, first reported
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
 
 
 
 
 
 
 
 
 
ISIceland
NONorway
 
 
 
 
 
 
 
 
 
None
C₆H₇F₃N₄OS
CNC(=O)N(C)C1=NN=C(S1)C(F)(F)F
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BBJPZPLAZVZTGR-UHFFFAOYSA-N
InChI=1S/C6H7F3N4OS/c1-10-4(14)13(2)5-12-11-3(15-5)6(7,8)9/h1-2H3,(H,10,14)
Yes
Herbicide
Thiadiazolylurea herbicide; Urea herbicide
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-
Synthetic
Non-selective, Photosynthetic electron transport inhibitor.
25366-23-8
246-901-4
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-
32921
616-021-00-9
240.21
N,N'-dimethyl-N-[5-(trifluoromethyl)-1,3,4-thiadiazol-2-yl]urea
1,3-dimethyl-1-(5-trifluoromethyl-1,3,4-thiadiazol-2-yl)urea
N,N'-dimethyl-N-[5-(trifluoromethyl)-1,3,4-thiadiazol-2-yl]urea
-
-
C2
5
Not applicable
Not applicable
-
Solid
Usually supplied as a wettable powder or in a granular formulation
2100
at 25 °C
High
2100
P3 P = Other non-EU, UK or US Governments and Regulators 3 = Unverified data of known source
Benzene
-
275000
P3 P = Other non-EU, UK or US Governments and Regulators 3 = Unverified data of known source
Methanol
-
-
-
-
-
-
-
-
-
-
-
-
-
7.08 X 1001
Calculated
-
1.85
Low
-
-
-
-
-
-
1.51
Q2 Q = Miscellaneous data from online sources 2 = Unverified data of unknown source
-
-
-
-
-
0.488
at 25 °C
Low volatility
2.31 X 10-06
at 25 °C
Non-volatile
-
-
-
-
-
-
-
125
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Persistent
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
General literature states DT₅₀ 50-200 days
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-
-
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-
-
-
-
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-
-
-
-
-
-
-
-
-
-
-
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-
Soil adsorption and mobility
-
Q2 Q = Miscellaneous data from online sources 2 = Unverified data of unknown source
Moderately mobile
325
Estimated
-
-
-
-
-
-
-
3.12
Calculated
High leachability
3.88 X 10-01
Calculated
-
-
Medium
Calculated
-
Moderately mobile
Calculated
-
6.2
Q2 Q = Miscellaneous data from online sources 2 = Unverified data of unknown source
Estimated
Low potential
Not available
-
None
Terrestrial ecotoxicology
278
P3 P = Other non-EU, UK or US Governments and Regulators 3 = Unverified data of known source
Rat
Moderate
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-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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-
-
-
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-
-
-
-
-
-
-
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-
-
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-
-
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-
-
-
-
-
-
-
-
-
-
-
-
-
-
> 1000
Q2 Q = Miscellaneous data from online sources 2 = Unverified data of unknown source
Unknown species
Low
-
-
-
> 970
Q2 Q = Miscellaneous data from online sources 2 = Unverified data of unknown source
Unknown species
Low
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
228
Q1 Q = Miscellaneous data from online sources 1 = Estimated data with little or no verification
Estimated
Low
-
-
-
-
-
-
-
-
-
HUMAN HEALTH AND PROTECTION
High (class III)
-
-
278
P3 P = Other non-EU, UK or US Governments and Regulators 3 = Unverified data of known source
Rat
Moderate
2150
P3 P = Other non-EU, UK or US Governments and Regulators 3 = Unverified data of known source
Rat
-
> 0.35
P3 P = Other non-EU, UK or US Governments and Regulators 3 = Unverified data of known source
Rat
-
-
-
-
-
-
-
-
-
-
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List II
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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
; 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
✓Yes, known to cause a problem
✓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
Health: H302 Environment: H400, H410
II (Moderately hazardous)
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thiazafluron
thiazafluron
Thiazafluron
thiazafluron
tiazafluron
tiazafluron
-
tiazafluron
-
-
thiazfluron
-
Record last updated:
01/09/2023
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