Chlorthal-monomethyl
Last updated: 13/10/2023
(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
 
 
A residual benzoic acid herbicide for pre-emergent control of annual grasses and some annual broad-leaved weeds
Barnyardgrass; Bindweed; Nightshade; Chickweed; Crabgrass; Fat-hen; Pigweed; Redshank; Fescue; Stinging nettle; Petty spurge; Ryegrass
Vegetables including brassicas, peas & beans, onions, carrots, turnips; Strawberries; Cotton; Lucerne; Ornamentals; Lawns
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Current
circa 1960
Not approved
Expired
No UK approval for use
EC Regulation 1107/2009 (repealing 91/414)
Not approved
Greece
Expired
Not applicable
Yes (as dimethyl variant)
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
C₉H₄Cl₄O₄
COC(=O)C1=C(C(=C(C(=C1Cl)Cl)C(=O)O)Cl)Cl
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SXINVWXSZUQKSW-UHFFFAOYSA-N
InChI=1S/C9H4Cl4O4/c1-17-9(16)3-6(12)4(10)2(8(14)15)5(11)7(3)13/h1H3,(H,14,15)
Yes
Herbicide
Benzenedicarboxylic acid herbicide; Phthalic acid herbicide
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Synthetic
Selective, non-systemic, acts by inhibiting seed germination. Microtubule assembly inhibition.
887-54-7
No data found
328
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13455
No data found
317.94
2,3,5,6-tetrachloro-4-(methoxycarbonyl)benzoic acid
2,3,5,6-tetrachloro-4-(methoxycarbonyl)benzoic acid
1-methyl hydrogen 2,3,5,6-tetrachloro-1,4-benzenedicarboxylic acid
Chemical subject to PIC regulations; PAN Bad Actor Chemical
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K1
3
Not applicable
Not applicable
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Usually supplied as a wettable powder or granular formulation
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Soil adsorption and mobility
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Cannot be calculated
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Known groundwater metabolites
None
None
Terrestrial ecotoxicology
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HUMAN HEALTH AND PROTECTION
High (class III)
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Negligible risk to the public
Acceptable risk with PPE/PPC
EU MRL pesticide database 
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Carcinogen
Endocrine disruptor
?Possibly, status not identified
A3 A = Chromosome aberration (EFSA database) 3 = Negative
; B2 B = DNA damage/repair (EFSA database) 2 = Mixed/ambiguous results
; C3 C = Gene mutation (EFSA database) 3 = Negative
; D0 D = Genome mutation (EFSA database) 0 = No data
; E3 E = Unspecified genotoxicity type (miscellaneous data source) 3 = Negative
No data found
Reproduction / development effects
Acetyl cholinesterase inhibitor
Neurotoxicant
?Possibly, status not identified
XNo, known not to cause a problem
No data found
Respiratory tract irritant
Skin irritant
Skin sensitiser
✓Yes, known to cause a problem
XNo, known not to cause a problem
No data found
Eye irritant
Phototoxicant
 
XNo, known not to cause a problem
No data found
 
Possible liver, thyroid & lung toxicant US EPA - possible human carcinogen
Not explosive or oxidising Not expected to auto-ignite; Not highly flammable IMDG Transport Hazard Class 6.1
Environment: H400, H410
III (Slightly hazardous)
UN2811
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chlorthal-monomethyl
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Record last updated:
13/10/2023
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