Dimethirimol (Ref: PP675)
Last updated: 16/03/2023
(Also known as: dimethyrimol)
Dimethirimol is a systemic, eradicant fungicide. It has a high aqueous solubility and is quite volatile. Based on its chemical properties, it is may leach to groundwater. It can be persistent in soil systems. Dimethirimol has a low mammalian toxicity. It is moderately toxic to birds and fish.
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 eradicant fungicide used in a variety of situations including glasshouses mainly to control powdery mildew
Powdery mildew
Curcubits; Tobacco; Tomatoes; Barley seed; Cucumbers; Ornamentals
-
Current
1968, first reported;1970, first marketed
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
C₁₁H₁₉N₃O
CCCCC1=C(NC(=NC1=O)N(C)C)C
No data
CJHXCRMKMMBYJQ-UHFFFAOYSA-N
InChI=1S/C11H19N3O/c1-5-6-7-9-8(2)12-11(14(3)4)13-10(9)15/h5-7H2,1-4H3,(H,12,13,15)
Yes
Fungicide
Pyrimidine fungicide
-
-
Synthetic
Systemic, ergosterol biosynthesis inhibitor. Nucleic acid synthesis - adenosin-deaminase.
5221-53-4
226-021-7
245
228200
21290
No data found
209.29
5-butyl-2-(dimethylamino)-6-methylpyrimidin-4-ol
5-butyl-2-dimethylamino-6-methylpyrimidin-4-ol
5-butyl-2-(dimethylamino)-6-methyl-4(1H)-pyrimidinone
-
-
Not applicable
Not applicable
Not applicable
8
-
Colourless needle-shaped crystals
Usually supplied as an aqueous liquid or as a concentrate for dilution.
1200
H4 H = The US ARS pesticide properties database. Dataset is no longer available. 4 = Verified data
High
1200000
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Chloroform
-
360000
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Xylene
-
65000
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Ethanol
-
45000
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Acetone
-
102
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
-
-
-
-
-
-
-
-
-
-
7.94 X 1001
Calculated
-
1.9
H4 H = The US ARS pesticide properties database. Dataset is no longer available. 4 = Verified data
Low
-
-
-
-
-
-
1.07
Q2 Q = Miscellaneous data from online sources 2 = Unverified data of unknown source
-
-
-
-
-
1.46
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Low volatility
2.55 X 10-04
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Non-volatile
-
-
-
-
-
-
-
120
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Persistent
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Best available data
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Soil adsorption and mobility
-
H3 H = The US ARS pesticide properties database. Dataset is no longer available. 3 = Unverified data of known source
Moderately mobile
90
Best available data
-
-
-
-
-
-
-
4.25
Calculated
High leachability
1.78 X 1000
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
2350
Rat
Low
-
L2 L = Pesticide manuals and hard copy reference books / other sources 2 = Unverified data of unknown source
Rat 2 year
-
300
-
-
-
-
> 4000
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Gallus domesticus
Low
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Non-toxic
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Non-toxic
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
42
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Salmo trutta
Moderate
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
HUMAN HEALTH AND PROTECTION
High (class III)
-
-
2350
Rat
Low
400
L3 L = Pesticide manuals and hard copy reference books / other sources 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
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
 
No further information available
No information available
Health: H302, H311 Environment: H412
III (Slightly hazardous)
-
-
dimethirimol
dimethirimol
Dimethirimol
dimethirimol
dimetirimol
dimetirimol
-
dimetirimol
-
-
-
-
Record last updated:
16/03/2023
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