Phorate (Ref: ENT 24042) |
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Last updated: 20/02/2025
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(Also known as: timet; AC 3911) |
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 |
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An insecticide used to control leaf miners, leaf beetles, whiteflies, certain nematodes and other pests |
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Leaf miners; Leaf beetles; Whiteflies; Nematodes; Mites; Rootworms |
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Pine forests; Corn; Cotton; Some ornamentals; Vegetables including brassicas, beans, potatoes |
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- |
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Current |
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1954, introduced; 2001, withdrawn UK |
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Not approved |
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Expired |
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No UK approval for use as a pesticide |
EC Regulation 1107/2009 (repealing 91/414) |
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Not approved |
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- |
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Expired |
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Not applicable |
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Yes |
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ATAustria |
BEBelgium |
BGBulgaria |
CYCyprus |
CZCzech Republic |
DEGermany |
DKDenmark |
EEEstonia |
ELGreece |
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ESSpain |
FIFinland |
FRFrance |
HRCroatia |
HUHungary |
IEIreland |
ITItaly |
LTLithuania |
LULuxembourg |
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LVLatvia |
MTMalta |
NLNetherlands |
PLPoland |
PTPortugal |
RORomania |
SESweden |
SISlovenia |
SKSlovakia |
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None |
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C₇H₁₇O₂PS₃ |
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CCOP(=S)(OCC)SCSCC |
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No data |
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BULVZWIRKLYCBC-UHFFFAOYSA-N |
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InChI=1S/C7H17O2PS3/c1-4-8-10(11,9-5-2)13-7-12-6-3/h4-7H2,1-3H3 |
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Yes |
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Insecticide, Acaricide, Nematicide |
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Organophosphate insecticide; Organophosphate acaricide; Organophosphate nematicide |
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- |
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- |
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Synthetic |
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Systemic with contact and stomach action. Acetylcholinesterase (AChE) inhibitor. |
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298-02-2 |
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206-052-2 |
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173 |
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057201 |
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4790 |
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015-033-00-6 |
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260.4 |
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- |
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O,O-diethyl S-ethylthiomethyl phosphorodithioate |
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O,O-diethyl S-((ethylthio)methyl) phosphorodithioate |
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Severe Marine Pollutant; Subject to the provisions of the UK Poisons Act 1972; Chemical subject to PIC regulations |
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- |
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Not applicable |
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Not applicable |
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1B |
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Not applicable |
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Leptinotarsa decemlineata, Myzus persicae, Psilia rosae, Tetranychus hydrangaea, Tetranychus urticae |
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Clear pale yellow liquid |
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- AgroCare
- Amvac Chemical Group
- King Tech Corp
- Amercian Cyanamid
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- Thimet
- Phorate
- Rampart
- Thimenox
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Usually suppled as an emulsifiable concentrate or granules |
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50 |
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Moderate |
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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 Ethanol |
- |
Miscible |
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source Acetone |
- |
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-15 |
L2 L = Pesticide manuals and hard copy reference books / other sources 2 = Unverified data of unknown source Product |
- |
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- |
- |
- |
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- |
- |
- |
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110 |
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source (closed cup) |
- |
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7.24 X 1003 |
Calculated |
- |
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3.86 |
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High |
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- |
- |
- |
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- |
- |
- |
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1.17 |
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- |
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- |
- |
- |
- |
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112 |
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Highly volatile. If applied directly to plants or soil, drift is a concern & mitigation is advisable |
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5.90 X 10-01 |
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Moderately volatile |
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- |
- |
- |
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- |
- |
- |
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- |
- |
- |
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- |
- |
- |
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- |
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63 |
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Moderately persistent |
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40 |
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Moderately persistent |
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63 |
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Moderately persistent |
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- |
- |
- |
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- |
- |
- |
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- |
- |
- |
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Lab studies DT₅₀ 2-9 weeks, field DT₅₀ 14-18 days USA; Other sources: 50-90 days |
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- |
- |
- |
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- |
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7.7 |
R4 R = Peer reviewed scientific publications 4 = Verified data |
- |
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Published literature RL₅₀ range 1.4-16.1 days, 5 field crops, various matrices, n=5 |
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1.1 |
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Moderately fast |
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Degraded by UV light |
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3.2 |
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Non-persistent |
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pH sensitive: Stable pH 5 to pH 6, DT₅₀ 3.9 days at pH 9 |
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- |
- |
- |
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- |
- |
- |
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- |
- |
- |
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As this parameter is not normally measured directly, a surrogate measure is used: ‘Photochemical oxidative DT₅₀’. Where data is available, this can be found in the Fate Indices section below. |
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- |
Soil adsorption and mobility |
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- |
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Slightly mobile |
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1660 |
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- |
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0.89 |
- |
- |
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- |
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- |
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- |
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- |
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1.40 |
Calculated |
Low leachability |
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3.52 X 10-02 |
Calculated |
- |
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- |
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High |
Calculated |
- |
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Slightly mobile |
Calculated |
- |
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- |
- |
- |
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483 |
(Whole fish Other literature Log BCF range 0.5-1.1 (R3)) |
Threshold for concern |
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Not available |
- |
Known groundwater metabolites |
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None
Terrestrial ecotoxicology |
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2.0 |
Rat |
High |
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- |
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source Rat |
- |
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6 |
- |
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- |
- |
- |
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2.25 |
Anas platyrhynchos |
High |
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- |
- |
- |
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- |
- |
- |
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20.8 |
Eisenia foetida |
Moderate |
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- |
- |
- |
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- |
- |
- |
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- |
- |
- |
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- |
- |
- |
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- |
- |
- |
- |
- |
- |
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0.32 |
Apis mellifera 24 hr |
High |
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> 0.43 |
Apis mellifera 24 hr |
High |
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- |
- |
- |
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- |
- |
- |
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- |
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> 1.0 |
R3 R = Peer reviewed scientific publications 3 = Unverified data of known source Bombus terrestris |
Moderate |
- |
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- |
- |
- |
- |
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- |
- |
- |
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- |
- |
- |
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- |
- |
- |
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- |
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- |
- |
- |
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- |
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- |
- |
- |
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- |
- |
- |
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- |
- |
- |
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- |
- |
- |
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- |
- |
- |
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0.013 |
Oncorhynchus mykiss |
High |
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0.0002 |
Q2 Q = Miscellaneous data from online sources 2 = Unverified data of unknown source Oncorhynchus mykiss |
High |
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- |
- |
- |
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0.004 |
Daphnia magna |
High |
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- |
- |
- |
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- |
- |
- |
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0.00033 |
Americamysis bahia |
High |
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0.081 |
Chironomus riparius 2 day EC₅₀ |
High |
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- |
- |
- |
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- |
- |
- |
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- |
- |
- |
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1.3 |
Unknown species |
Moderate |
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- |
- |
- |
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- |
- |
- |
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- |
- |
- |
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- |
- |
- |
HUMAN HEALTH AND PROTECTION |
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High (class III) |
- |
- |
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2.0 |
Rat |
High |
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2.5 |
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source Rat |
- |
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0.06 |
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source Rat |
- |
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- |
- |
- |
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0.0007 |
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- |
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0.003 |
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- |
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- |
- |
- |
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- |
- |
- |
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- |
- |
- |
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List I; List II |
- |
- |
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- |
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May be absorbed through the skin Highly toxic by skin contact |
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EU MRL pesticide database |
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- |
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- |
- |
- |
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- |
- |
- |
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- |
- |
- |
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Carcinogen |
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Endocrine disruptor |
XNo, known not to cause a problem |
A3 A = Chromosome aberration (EFSA database) 3 = Negative ; 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 ; E3 E = Unspecified genotoxicity type (miscellaneous data source) 3 = Negative |
No data found |
Reproduction / development effects |
Acetyl cholinesterase inhibitor |
Neurotoxicant |
XNo, known not 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 |
No data found |
Eye irritant |
Phototoxicant |
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✓Yes, known to cause a problem |
No data found |
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Very toxic |
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IMDG Transport Hazard Class 6.1 |
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Health: H302, H312 Environment: H400, H410 |
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Ia (Extremely hazardous) |
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UN3018 |
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- |
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- |
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phorate |
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phorate |
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Phorat |
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phorat |
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forate |
|
forato |
|
phorate |
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forat |
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- |
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- |
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foraat |
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- |
Record last updated: |
20/02/2025 |
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 |