Isazofos (Ref: CGA 12223)
Last updated: 18/01/2023
(Also known as: isazophos)
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 insecticide and nematicide used on a wide variety of crops
Root nematodes
Turf; Bananas; Citrus fruits; Cotton; Beet crops; Maize; Rice; Sugarcane
-
Considered obsolete but may be available in some countries
1974, first reported
Not approved
Expired
No UK approval for use
EC Regulation 1107/2009 (repealing 91/414)
Not approved
-
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
 
 
 
 
 
 
 
 
 
None
C₉H₁₇CIN₃O₃PS
CCOP(=S)(OCC)OC1=NN(C(=N1)Cl)C(C)C
No data
XRHGWAGWAHHFLF-UHFFFAOYSA-N
InChI=1S/C9H17ClN3O3PS/c1-5-14-17(18,15-6-2)16-9-11-8(10)13(12-9)7(3)4/h7H,5-6H2,1-4H3
Yes
Insecticide, Nematicide
Organophosphate insecticide; Organophosphate nematicide; Organothiophosphate insecticide; Organothiophosphate nematicide
-
-
Synthetic
Acetylcholinesterase inhibitor. Contact and stomach action.
42509-80-8
255-863-8
8192
295900
39223
015-153-00-9
313.74
-
O-5-chloro-1-isopropyl-1H-1,2,4-triazol-3-yl O,O-diethyl phosphorothioate
O-(5-chloro-1-(1-methylethyl)-1H-1,2,4-triazol-3-yl) O,O-diethyl phosphorothioate
-
-
Not applicable
Not applicable
1B
Not applicable
Bemisia tabaci
Yellow liquid
Available in a variety of formulations including granules and emulsifiable concentrates
69
Moderate
Miscible
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Chloroform
-
Miscible
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Methanol
-
Miscible
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Benzene
-
-
-
-
120
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
-
200
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
-
-
-
-
1.26 X 1003
Calculated
-
3.1
High
-
-
-
-
-
-
1.4
Q2 Q = Miscellaneous internet resources 2 = Unverified data of unknown source
-
-
-
-
-
11.6
Highly volatile
5.27 X 10-02
Non-volatile
-
-
-
-
-
-
-
40
Moderately persistent
34
Moderately persistent
-
-
-
-
-
-
-
-
-
-
-
-
-
7.0
R3 R = Peer reviewed scientific publications 3 = Unverified data of known source
-
Kentucky bluegrass, blades, n=1
11.8
R4 R = Peer reviewed scientific publications 4 = Verified data
-
Published literature RL₅₀ range 4.3-19.3 days, turfgrass, n=2
-
-
-
-
Stable
W4 W = French database provided by ARVALIS-Institut du Végétal 4 = Verified data
Stable
-
-
-
-
-
-
-
Soil adsorption and mobility
-
Moderately mobile
155
Other literature suggests around 5-15 days
-
-
-
-
-
-
-
2.77
Calculated
Transition state
2.05 X 10-01
Calculated
-
-
Low
Calculated
-
Moderately mobile
Calculated
-
75
Q2 Q = Miscellaneous internet resources 2 = Unverified data of unknown source
Estimated
Low potential
Not available
-
Known groundwater metabolites
None
None
Terrestrial ecotoxicology
> 40
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Rat
High
-
-
-
-
-
-
-
-
> 244
Anas platyrhynchos
Moderate
-
-
-
-
-
-
> 0.714
Allolobophora caliginosa 7 day
High
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Toxic
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Toxic
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0.006
Oncorhynchus mykiss
High
-
-
-
0.5
Daphnia magna 21 day
Moderate
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
100
Lemna gibba
Low
33
Pseudokirchneriella subcapitata 14 day
Low
-
-
-
-
-
-
-
-
-
HUMAN HEALTH AND PROTECTION
High (class III)
-
-
> 40
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Rat
High
-
-
-
0.24
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source
Rat 4 hr
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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
✓Yes, known to cause a problem
✓Yes, known 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
✓Yes, known to cause a problem
Eye irritant
Phototoxicant
 
✓Yes, known to cause a problem
No data found
 
Toxic in contact with skin, if swallowed or inhaled
Emits toxic fumes of hyrdogen chloride, nitrous oxides and phosphorous oxides when heated to decomposition
Health: H301, H311, H317, H330, H373 Environment: h400, H410
Ib (Highly hazardous)
-
-
isazofos
isazofos
Isazofos
isazofos
isazofos
isazofos
-
izazofos
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-
-
Record last updated:
18/01/2023
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