Methyldymron (Ref: K-1441)
Last updated: 24/01/2023
(Also known as: SK-41)
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 herbicide that was used for the pre-emergence control of weeds in turf
Cyperaceous and some annual grass weeds
Turf
-
Considered obsolete but may be available in some countries
1975, first reported
Not approved
Not applicable
No UK approval for use
EC Regulation 1107/2009 (repealing 91/414)
Not approved
Not applicable
Not applicable
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
C₁₇H₂₀N₂O
CC(C)(C1=CC=CC=C1)NC(=O)N(C)C2=CC=CC=C2
-
MINYZXVCTYSNY-UHFFFAOYSA-N
InChI=1S/C17H20N2O/c1-17(2,14-10-6-4-7-11-14)18-16(20)19(3)15-12-8-5-9-13-15/h4-13H,1-3H3,(H,18,20)
Yes
Herbicide
Phenylurea herbicide; Urea herbicide
>98%
-
Synthetic
Inhibits cell division. Selective, absorbed by roots and translocated
42609-73-4
610-043-2
None allocated
-
92326
No data found
268.35
N-methyl-N-phenyl-N'-(2-phenylpropan-2-yl)urea
1-methyl-3-(1-methyl-1-phenylethyl)-1-phenylurea
N-methyl-NŒ-(1-methyl-1-phenylethyl)-N-phenylurea
-
-
Z
0
Not applicable
Not applicable
-
White crystalline solid
Usually supplied as a wettable powder
120
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Moderate
913000
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Acetone
-
8200
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Hexane
-
637000
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Methanol
-
72.0
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
-
453
Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source
-
-
-
-
227.5
Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source
-
1.02 X 1003
Calculated
-
3.01
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
High
-
-
-
-
-
-
1.1
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Soil adsorption and mobility
-
-
-
Cannot be calculated
-
-
-
-
-
-
-
-
-
-
-
-
-
-
None
Terrestrial ecotoxicology
> 5000
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Rat
Low
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
14.0
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Cyprinus carpio
Moderate
-
-
-
> 40.0
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Daphnia pulex
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
2000
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Rat
-
> 4.85
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Rat
-
Subcutaneous LD₅₀ > 7600 mg kg⁻¹
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
No data found
No data found
No data found
Eye irritant
Phototoxicant
 
No data found
No data found
 
No further information available
No information available
-
U (Unlikely to present an acute hazard)
-
-
-
methyldymron
methyldymron
-
-
-
-
-
-
-
-
-
-
Record last updated:
24/01/2023
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