Morfamquat dichloride
Last updated: 16/03/2023
(Not known by any other names)
Morfamquat dichloride is a herbicide not widely used in the developed world. It is moderately toxic and a neurotoxin as well as being a known skin and eye irritant. Little is known about its environmental fate or its ecotoxicology
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 quaternary ammonium herbicide once used to control broad-leaved weeds
Broad-leaved weeds
Cereals; Ornamental & recreational turf
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Considered obsolete but may be available in some countries
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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
 
 
 
 
 
 
 
 
 
A chiral molecule
C₂₆H₃₆Cl₂N₄O₄
CC1COCC(N1C(=O)C[N+]2=CC=C(C=C2)C3=CC=[N+](C=C3)CC(=O)N4C(COCC4C)C)C.[Cl-].[Cl-]
No data
LVPGGWVHPIAEMC-UHFFFAOYSA-L
InChI=1S/C26H36N4O4.2ClH/c1-19-15-33-16-20(2)29(19)25(31)13-27-9-5-23(6-10-27)24-7-11-28(12-8-24)14-26(32)30-21(3)17-34-18-22(30)4;;/h5-12,19-22H,13-18H2,1-4H3;2*1H/q+2;;/p-2
Yes
Herbicide
Quaternary ammonium herbicide
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Synthetic
Broad-spectrum, non-residual activity with contact and some desiccant action. Photosystem I (electron transport) inhibitor.
4636-83-3
225-062-8
194
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107850
613-091-00-2
540.50
1,1'-bis[2-(3,5-dimethylmorpholin-4-yl)-2-oxoethyl]-[4,4'-bipyridine]-1,1'-diium dichloride
1,1'-bis(3,5-dimethylmorpholinocarbonylmethyl)-4,4'-bipyridinium dichloride
1,1'-bis[2-(3,5-dimethyl-4-morpholinyl)-2-oxoethyl]-4,4'-bipyridinium dichloride
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D
22
Not applicable
Not applicable
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Zeneca Agrochemicals ICI Plant Protection
Usually supplied as an aqueous solution
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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
325
Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source
Rat
Moderate
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367
Gallus Domesticus
Moderate
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HUMAN HEALTH AND PROTECTION
High (class III)
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325
Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source
Rat
Moderate
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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
✓Yes, known to cause a problem
Respiratory tract irritant
Skin irritant
Skin sensitiser
No data found
✓Yes, known to cause a problem
No data found
Eye irritant
Phototoxicant
 
✓Yes, known to cause a problem
No data found
 
May cause pulmonay fibrosis Intense nausea, vomiting and diarrhoea may occur if ingested
No information available
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Not classified - Obsolete
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morfamquat dichloride
morfamquat
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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