Propachlor (Ref: CP 31393)
Last updated: 19/01/2023
(Also known as: propachlore)
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 pre-emergence herbicide for control of annual grasses and some broad-leaved weeds
Annual ryegrass; Barnyard grass; Pimpernel; Chickweed; Deadnettle; Fleabane; Shepherd's purse; Fathen
Soybeans; Grain sorghum; Corn; Peas; Pumkins; Cotton; Flax
-
Current
1964
Not approved
Expired
No UK approval for use
EC Regulation 1107/2009 (repealing 91/414)
Not approved
Netherlands
Expired
Not applicable
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
 
 
 
 
 
 
 
 
 
None
C₁₁H₁₄ClNO
CC(C)N(C1=CC=CC=C1)C(=O)CCl
No data
MFOUDYKPLGXPGO-UHFFFAOYSA-N
InChI=1S/C11H14ClNO/c1-9(2)13(11(14)8-12)10-6-4-3-5-7-10/h3-7,9H,8H2,1-2H3
Yes
Cambridge Crystallographic Data Centre diagrams
Common Name
Relationship
Link
propachlor
-
Herbicide
Chloroacetanilide herbicide
-
-
Synthetic
Selective, systemic, effects cell formation and protein synthesis. Inhibition of VLCFA (inhibition of cell division).
1918-16-7
217-638-2
176
019101
4931
616-008-00-8
211.69
-
2-chloro-N-isopropylacetanilide
2-chloro-N-(1-methylethyl)-N-phenylacetamide
Marine Pollutant; Chemical subject to PIC regulations
-
K3
15
Not applicable
Not applicable
-
Light tan solid
AgriGuard Certis Greencrop Makhteshim-Agan Nufarm
Alpha Propachlor 50SC Ashlade CP Titan 480 Ramrod
Often supplied as emulsifiable concentrates, granules or suspension concentrate
580
High
353900
Acetone
-
205500
Xylene
-
296100
Toluene
-
655900
Benzene
-
77
-
-
-
-
170
-
174
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
(open cup)
-
3.98 X 1001
Calculated
-
1.6
Low
-
-
-
-
-
-
1.13
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
-
-
-
-
-
30.6
Highly volatile
3.65 X 10-03
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Non-volatile
-
-
-
-
-
-
-
5
K4 K = Research datasets, e.g. Pandora, Demetra 4 = Verified data
Non-persistent
3
P3 P = Other governments and regulators 3 = Unverified data of known source
Non-persistent
-
-
-
-
-
-
-
-
-
-
-
-
Best available data 1-10 days; Other sources: DT₅₀ 6 days (DW4)
-
-
-
-
-
-
-
-
18
K4 K = Research datasets, e.g. Pandora, Demetra 4 = Verified data
Slow
-
28
K4 K = Research datasets, e.g. Pandora, Demetra 4 = Verified data
Non-persistent
-
84
K4 K = Research datasets, e.g. Pandora, Demetra 4 = Verified data
Moderately fast
4.5
K4 K = Research datasets, e.g. Pandora, Demetra 4 = Verified data
Moderately fast
Soil adsorption and mobility
-
Moderately mobile
80
-
-
-
-
-
-
-
-
1.00
Calculated
Low leachability
2.27 X 10-03
Calculated
-
-
Low
Calculated
-
Moderately mobile
Calculated
-
37
Whole fish
Low potential
Not available
-
-
-
Aerobic
-
-
Aerobic
-
-
Aerobic
-
-
Aerobic
-
-
Aerobic
-
-
Aerobic
-
-
Aerobic
-
-
-
-
-
Aerobic
-
-
Aerobic
Known groundwater metabolites
None
propachlor methyl sulfoxide
-
Water (Anaerobic)
-
-
2-hydroxy-N-(1-methylethyl)-N-phenyl acetamide
propachlor alcohol
Water (Anaerobic)
-
-
N-(1-methylethyl)-N-phenylacetamide
norchloropropachlor
Water (Anaerobic)
-
-
propachlor disulfide
-
Water (Anaerobic)
-
-
2[(1-methylethyl)phenylamino]-2-oxo-ethane sylfonic acid
propachlor sulfonic acid
Water (Anaerobic)
-
-
Terrestrial ecotoxicology
550
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Rat
Moderate
5.4
L2 L = Pesticide manuals and hard copy reference books / other sources 2 = Unverified data of unknown source
Rat 2 year
High
-
-
-
-
-
> 91
K4 K = Research datasets, e.g. Pandora, Demetra 4 = Verified data
Colinus virginianus
High
-
-
-
-
-
-
218
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Moderate
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
197
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Low
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Moderately harmful
AA2 AA = IOBC Database on classification of side effects to beneficial organisms, 2005 2 = Unverified data of unknown source
Chrysoperla carnea
-
-
-
-
-
-
-
-
-
-
> 0.17
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Oncorhynchus mykiss
Moderate
-
-
-
> 7.8
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Daphnia magna
Moderate
0.612
P3 P = Other governments and regulators 3 = Unverified data of known source
Daphnia magna
Moderate
-
-
-
1.8
Chironomus riparius 48hr EC₅₀
Moderate
-
-
-
-
-
-
0.005
Lemna gibba
High
0.015
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Raphidocelis subcapitata
Moderate
0.01
Q2 Q = Miscellaneous internet resources 2 = Unverified data of unknown source
Unknown species
Moderate
-
-
-
-
-
-
HUMAN HEALTH AND PROTECTION
High (class III)
-
-
550
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Rat
Moderate
200000
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Rabbit
-
1.2
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
?Possibly, status not identified
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
✓Yes, known to cause a problem
XNo, known not to cause a problem
?Possibly, status not identified
Respiratory tract irritant
Skin irritant
Skin sensitiser
?Possibly, status not identified
✓Yes, known to cause a problem
✓Yes, known to cause a problem
Eye irritant
Phototoxicant
 
✓Yes, known to cause a problem
No data found
 
USEPA - probable human carcinogen
IMDG Transport Code is usually 9
Health: H302, H317, H319 Environment: H400, H410
II (Moderately hazardous)
Usually 3082
Packaging Group III (minor danger)
propachlor
propachlore
Propachlor
propachlor
propaclor
propacloro
propachlor
propachlor
-
propaklor
propachloor
Record last updated:
19/01/2023
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