Thiometon (Ref: SAN 230) |

Last updated: 24/07/2024
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(Also known as: dithiometon; M-81; ekatin) |
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 organophosphate insecticide and acaricide effective against sucking insects on fruit and other crops |
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Aphids; Thrips; Spider mites; Psyllds; sawflies; Jassids; Cotton locust |
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Fruit including strawberries, citrus, olives; Beet crops; Tobacco; Cereals; Cotton |
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- |
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Current |
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circa 1960s, first registrations |
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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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Not applicable |
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Expired |
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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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C₆H₁₅O₂PS₃ |
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CCSCCSP(=S)(OC)OC |
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- |
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OPASCBHCTNRLRM-UHFFFAOYSA-N |
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InChI=1S/C6H15O2PS3/c1-4-11-5-6-12-9(10,7-2)8-3/h4-6H2,1-3H3 |
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Yes |
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Insecticide, Acaricide |
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Organophosphate insecticide; Organophosphate acaricide; Organothiophosphate insecticide; Organothiophosphate acaricide |
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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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640-15-3 |
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211-362-6 |
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115 |
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456300 |
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12541 |
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015-050-00-9 |
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246.35 |
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S-[2-(ethylsulfanyl)ethyl] O,O-dimethyl phosphorodithioate |
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S-2-ethylthioethyl O,O-dimethyl phosphorodithioate |
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S-[2-(ethylthio)ethyl] O,O-dimethyl phosphorodithioate |
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Subject to the provisions of the UK Poisons Act 1972 |
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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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Aphis fabae, Coleomegilla maculata, Hyalopterus pruni, Myzus persicae, Panonychus ulmi, many others |
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Colourless oily liquid |
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Usually formulated as an emulsifiable concentrate or ULV |
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200 |
at 25 °C |
Moderate |
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- |
- |
- |
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Not applicable |
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
- |
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100 |
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- |
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- |
- |
- |
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- |
- |
- |
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1.41 X 1003 |
Calculated |
- |
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3.15 |
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
High |
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- |
- |
- |
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- |
- |
- |
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1.21 |
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
- |
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- |
- |
- |
- |
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39.9 |
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Highly volatile. If applied directly to plants or soil, drift is a concern & mitigation is advisable |
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2.84 X 10-02 |
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Non-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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2 |
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Non-persistent |
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- |
- |
- |
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- |
- |
- |
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- |
- |
- |
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- |
- |
- |
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- |
- |
- |
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General literature DT₅₀ range 1.9-7.0 days (R2) |
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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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22 |
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Non-persistent |
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Other data: pH sensitive - DT₅₀ 25 days at pH 3, 27 days at pH 6, 17 days at pH 9, all at 25 °C (F4) |
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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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- |
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Slightly mobile |
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579 |
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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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0.37 |
Calculated |
Low leachability |
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8.02 X 10-04 |
Calculated |
- |
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- |
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Low |
Calculated |
- |
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Slightly mobile |
Calculated |
- |
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- |
- |
- |
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174 |
Q2 Q = Miscellaneous data from online sources 2 = Unverified data of unknown source Estimated |
Threshold for concern |
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Not available |
- |
Known groundwater metabolites |
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None
Terrestrial ecotoxicology |
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65 |
Rat |
High |
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- |
- |
- |
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- |
- |
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- |
- |
- |
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61.75 |
R4 R = Peer reviewed scientific publications 4 = Verified data median of 2 species |
High |
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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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> 0.55 |
Apis mellifera |
High |
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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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- |
- |
- |
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- |
- |
- |
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- |
- |
- |
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Harmful |
Q2 Q = Miscellaneous data from online sources 2 = Unverified data of unknown source Typhlodromus pyri |
- |
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- |
- |
- |
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> 3.7 |
Oncorhynchus mykiss |
Moderate |
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- |
- |
- |
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- |
- |
- |
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> 8.2 |
Daphnia magna |
Moderate |
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0.0005 |
P3 P = Other non-EU, UK or US Governments and Regulators 3 = Unverified data of known source Daphnia magna |
High |
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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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> 12.8 |
Unknown species |
Low |
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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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65 |
Rat |
High |
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1429 |
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source Rat |
- |
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1.93 |
L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source Rat 4 hr |
- |
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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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- |
- |
- |
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List I; List II |
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- |
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- |
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- |
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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 |
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 |
✓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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No data found |
No data found |
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May cause dermatitis |
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Prevent generation of mists IMDG Transport Hazard Class 6.1 |
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Health: H301, H312 |
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Ib (Highly hazardous) |
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UN3018 |
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- |
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- |
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thiometon |
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thiometon |
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Thiometon |
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thiometon |
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thiometon |
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tiometon |
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thiometon |
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tiometon |
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- |
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- |
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thiometon |
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- |
Record last updated: |
24/07/2024 |
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 |