Methabenzthiazuron (Ref: BAY 74283 )
Last updated: 18/01/2023
(Also known as: methibenzuron; S25128)
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 herbicide used to control a broad spectrum of weeds in cereals and other crops
Broad-leaved weeds; Grasses including black-grass, meadow rasses, wild oats
Cereals; Legumes; Onions & garlic
-
Current
1968, Germany
Not approved
Expired
No UK approval for use
EC Regulation 1107/2009 (repealing 91/414)
Not approved
Sweden
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
C₁₀H₁₁N₃OS
CNC(=O)N(C)C1=NC2=CC=CC=C2S1
No data
RRVIAQKBTUQODI-UHFFFAOYSA-N
InChI=1S/C10H11N3OS/c1-11-9(14)13(2)10-12-7-5-3-4-6-8(7)15-10/h3-6H,1-2H3,(H,11,14)
Yes
Herbicide
Urea herbicide; Benzothiazole herbicide
-
-
Synthetic
Selective, absorbed through roots and leaves. Photosynthetic electron transport inhibitor at the photosystem II.
18691-97-9
242-505-0
201
281300
29216
613-137-00-1
221.27
-
1-(1,3-benzothiazol-2-yl)-1,3-dimethylurea
N-2-benzothiazolyl-N,N'-dimethylurea
-
-
C2
7
Not applicable
Not applicable
-
Colourless crystals
Bayer CropScience Zagro Singapore Pte. Ltd. Jiangsu Overseas Group Corp.
Usually supplied as a wettable powder
60
Moderate
115900
C4 C = AGRITOX dataset. Dataset is no longer available. 4 = Verified data
Acetone
-
1500
C4 C = AGRITOX dataset. Dataset is no longer available. 4 = Verified data
Hexane
-
75000
C4 C = AGRITOX dataset. Dataset is no longer available. 4 = Verified data
Toluene
-
65900
C4 C = AGRITOX dataset. Dataset is no longer available. 4 = Verified data
Methanol
-
120
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
-
-
-
-
-
-
-
-
-
-
4.37 X 1002
Calculated
-
2.64
C4 C = AGRITOX dataset. Dataset is no longer available. 4 = Verified data
Low
-
-
-
-
-
-
1.33
Q2 Q = Miscellaneous data from online sources 2 = Unverified data of unknown source
-
-
-
-
-
5.90 X 10-03
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Low volatility
5.10 X 10-03
C4 C = AGRITOX dataset. Dataset is no longer available. 4 = Verified data
Non-volatile
-
-
-
-
-
-
-
135
Persistent
135
Persistent
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Stable
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Stable
Very slow
365
Very persistent
-
182
Slow
90
Stable
Soil adsorption and mobility
-
C3 C = AGRITOX dataset. Dataset is no longer available. 3 = Unverified data of known source
Slightly mobile
527
-
-
-
-
-
-
-
-
2.72
Calculated
Transition state
2.25 X 10-01
Calculated
-
-
Medium
Calculated
-
Slightly mobile
Calculated
-
75
Q2 Q = Miscellaneous data from online sources 2 = Unverified data of unknown source
Estimated
Low potential
Not available
-
None
Terrestrial ecotoxicology
> 5000
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Rat
Low
-
L2 L = Pesticide manuals and hard copy reference books / other sources 2 = Unverified data of unknown source
Rat 2 year
-
150
-
-
-
-
> 1000
Phasianidae
Moderate
-
-
-
-
-
-
840
Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source
Moderate
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0.8
High
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Harmful
AA2 AA = IOBC Database on classification of side effects to beneficial organisms, 2005 2 = Unverified data of unknown source
Chrysoperla carnea
-
-
-
-
Harmful
AA2 AA = IOBC Database on classification of side effects to beneficial organisms, 2005 2 = Unverified data of unknown source
Typhlodromus pyri
-
-
-
-
> 15.9
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Oncorhynchus mykiss
Moderate
-
-
-
> 30.6
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Daphnia magna
Moderate
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0.033
Scenedesmus quadricauda
Moderate
0.018
Q2 Q = Miscellaneous data from online sources 2 = Unverified data of unknown source
Unknown species
Moderate
-
-
-
-
-
-
HUMAN HEALTH AND PROTECTION
High (class III)
-
-
> 5000
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
-
5.12
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Rat 4 hr
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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
✓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
Environment: H400, H410
III (Slightly hazardous)
-
-
methabenzthiazuron
methabenzthiazuron
Methabenzthiazuron
methabenzthiazuron
metabentiazuron
metabenztiazuron
methabenzthiazuron
metabenztiazuron
metabenstiazuron
-
methabenzthiazuron
-
Record last updated:
18/01/2023
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