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phenthoate (Ref: OMS 1075)
** dimephenoate ** tanone ** aimsan ** ENT 27386 ** BAY 33051 ** Translations

Environmental Fate - Ecotoxicology - Human Health - A to Z Index - Home

GENERAL INFORMATION
for phenthoate

Description: An insecticide used to control common insects in rice, vegetables and other crops

Example pests controlled: Aphids; Houseflies; blowflies; Scale insects; Leafhoppers; Mealybugs; Mosquitoes

Example applications: Rice; Vegetables including brassicas, eggplant, peppers, radish, turnips; carrot; Soybean; Potatoes; Tea; Citrus

Availability status: Unknown

Introduction & key dates: -

EC Regulation 1107/2009 (repealing 91/414):
Status Not approved
Dossier rapporteur/co-rapporteur Not applicable
Date inclusion expires Expired

Approved for use () or known to be used () in the following European countries:

AT

BE

BG

CY

CZ

DE

DK

EE

EL

ES

FI

FR

HR

HU

IE

IT

LT

LU

LV

MT

NL

PL

PT

RO

SE

SI

SK

UK

General status:
Pesticide type Insecticide, Acaricide
Substance group Organophosphate
Minimum active substance purity -
Known relevant impurities -
Substance origin Synthetic
Mode of action Non-systemic with contact and stomach action. Acetylcholinesterase (AChE) inhibitor.
CAS RN 2597-03-7
EC number 219-997-0
CIPAC number 108
US EPA chemical code 104901
Chiral molecule Chiral, a specific isomer or a derivative of a chiral molecule
Chemical formula C12H17O4PS2
SMILES O=C(OCC)C(SP(=S)(OC)OC)c1ccccc1
International Chemical Identifier key (InChIKey) XAMUDJHXFNRLCY-UHFFFAOYSA-N
International Chemical Identifier (InChI) InChI=1S/C12H17O4PS2/c1-4-16-12(13)11(10-8-6-5-7-9-10)19-17(18,14-2)15-3/h5-9,11H,4H2,1-3H3
Structure diagram/image available? Yes
Molecular mass (g mol-1) 320.39
PIN (Preferred Identification Name) -
IUPAC name S-α-ethoxycarbonylbenzyl O,O-dimethyl phosphorodithioate
CAS name ethyl α-[(dimethoxyphosphinothioyl)thio]benzeneacetate
Other status information Severe Marine Pollutant
Herbicide Resistance Classification (HRAC) Not applicable
Herbicide Resistance Classification (WSSA) Not applicable
Insecticide Resistance Classification (IRAC) 1B
Fungicide Resistance Classification (FRAC) Not applicable
Examples of recorded resistance Adoxophyes orana
Aedes nigromaculis
Anopheles arabiensis
Boophilus microplus
Culex pipiens pipiens
many others
Physical state Colourless liquid
Related substances & organisms

Formulations:
Property Value
Example manufacturers & suppliers of products using this active now or historically
  • Astra
  • Nissan Chemicals
  • Farmoplant
Example products using this active
  • Amisan
  • Forsan
  • Idealon
  • Cidial
  • Tanone
UK LERAP status No UK approval for use or outside scope
Formulation and application details Available in a range of formulations including emulsifiable concentrates, wettable powders, oil solutions, dusts and granules.


ENVIRONMENTAL FATE

for phenthoate

Property Value Source/Quality Score/Other Information Interpretation
Solubility - In water at 20oC (mg l-1) 11 H4 Low
Solubility - In organic solvents at 20oC (mg l-1) 116000 L3 - n-Hexane -
340000 L3 - Chloroform -
Melting point (oC) 17.5 L3 -
Boiling point (oC) - - -
Degradation point (oC) - - -
Flashpoint (oC) 165 L3 -
Octanol-water partition coefficient at pH 7, 20oC P 4.90 X 1003 Calculated -
Log P 3.69 H4 High
Bulk density (g ml-1)/Specific gravity 1.23 L3 -
Dissociation constant (pKa) at 25oC - - -
Note:
Vapour pressure at 25oC (mPa) 5.3 H4 Volatile
Henry's law constant at 25oC (Pa m3 mol-1) 5.55 X 10-04 V3 Non-volatile
Henry's law constant at 20oC (dimensionless) 6.34 X 10-05 Calculated Volatile
GUS leaching potential index 1.54 Calculated Low leachability
SCI-GROW groundwater index (μg l-1) for a 1 kg ha-1 or 1 l ha-1 application rate Value 4.06 X 10-02 Calculated -
Note -
Potential for particle bound transport index - Calculated Medium
Maximum UV-vis absorption L mol-1 cm-1 - - -
Surface tension (mN m-1) - - -

Degradation:
Property Value Source/Quality Score/Other Information Interpretation
Soil degradation (days) (aerobic) DT50 (typical) 35 DW4 Moderately persistent
DT50 (lab at 20oC) - - -
DT50 (field) - - -
DT90 (lab at 20oC) - - -
DT90 (field) - - -
Note Best available data
Plant matrix DT50 (days) Value 10.3 R4 -
Note DT50 range 1.5 - 20.0 days, 3 crops/plants, various matrices
Aqueous photolysis DT50 (days) at pH 7 Value - - -
Note -
Aqueous hydrolysis DT50 (days) at 20oC and pH 7 Value - - -
Note -
Water-sediment DT50 (days) - - -
Water phase only DT50 (days) - - -

Soil adsorption and mobility:
Property Value Source/Quality Score/Other Information Interpretation
Linear Kd - H3 Slightly mobile
Koc 1000
Notes and range -
Freundlich Kf - - -
Kfoc -
1/n -
Notes and range -
pH sensitivity -


ECOTOXICOLOGY

for phenthoate

Property Value Source/Quality Score/Other Information Interpretation
Bio-concentration factor BCF (l kg-1) 381 J3 Poecilia reticulata Threshold for concern
CT50 (days) Not available -
Mammals - Acute oral LD50 (mg kg-1) 249 L3 Rat Moderate
Mammals - Short term dietary NOEL (mg kg-1) - - -
(ppm diet) - -
Birds - Acute LD50 (mg kg-1) 300 L3 Phasianidae Moderate
Birds - Short term dietary (LC50/LD50) - - -
Fish - Acute 96 hour LC50 (mg l-1) 2.5 L3 Cyprinidae Moderate
Fish - Chronic 21 day NOEC (mg l-1) - - -
Aquatic invertebrates - Acute 48 hour EC50 (mg l-1) 0.0017 F3 Daphnia carinata High
Aquatic invertebrates - Chronic 21 day NOEC (mg l-1) - - -
Aquatic crustaceans - Acute 96 hour LC50 (mg l-1) - - -
Sediment dwelling organisms - Acute 96 hour LC50 (mg l-1) - - -
Sediment dwelling organisms - Chronic 28 day NOEC, static, water (mg l-1) - - -
Sediment dwelling organisms - Chronic 28 day NOEC, sediment (mg kg-1) - - -
Aquatic plants - Acute 7 day EC50, biomass (mg l-1) - - -
Non-target plants - - -
- - -
Algae - Acute 72 hour EC50, growth (mg l-1) - - -
Algae - Chronic 96 hour NOEC, growth (mg l-1) - - -
Honeybees Contact acute 48 hour LD50 (μg bee-1) - - -
Oral acute 48 hour LD50 (μg bee-1) - - -
Unknown mode acute 48 hour LD50 (μg bee-1) 0.306 L2 High
Earthworms - Acute 14 day LC50 (mg kg-1) - - -
Earthworms - Chronic 14 day NOEC, reproduction (mg kg-1) - - -
Other soil macro-organisms - e.g. Collembola LR50 / EC50 / NOEC / % Effect - - -
Other arthropod (1) LR50 g ha-1 - - -
% Effect - - -
Other arthropod (2) LR50 g ha-1 - - -
% Effect - - -
Soil micro-organisms - - -
Mesocosm study data NOEAEC mg l-1 - - -
NOEAEC mg l-1 - - -


HUMAN HEALTH AND PROTECTION

for phenthoate

General:
Property Value Source/Quality Score/Other Information Interpretation
Threshold of Toxicological Concern (Cramer Class) High (class III) - -
Mammals - Acute oral LD50 (mg kg-1) 249 L3 Rat Moderate
Mammals - Dermal LD50 (mg kg-1 body weight) 72.0 L3 Rabbit -
Mammals - Inhalation LC50 (mg l-1) 3.17 L3 Rat -
Other Mammal toxicity endpoints - -
ADI - Acceptable Daily Intake (mg kg-1bw day-1) 0.003 JMPR 1984 -
ARfD - Acute Reference Dose (mg kg-1bw day-1) - - -
AOEL - Acceptable Operator Exposure Level - Systemic (mg kg-1bw day-1) - - -
Dermal penetration studies (%) - - -
Dangerous Substances Directive 76/464 List I; List II - -
Exposure Limits - - -
Exposure Routes Public -
Occupational -
European MRLs Click here for the EU MRL pesticide database
Drinking Water MAC (μg l-1) - - -

Health issues:
Carcinogen Mutagen Endocrine disrupter Reproduction / development effects Cholinesterase inhibitor Neurotoxicant

-

-

-

Respiratory tract irritant Skin irritant Skin sensitiser Eye irritant Phototoxicant

-

-

-

-

-

General human health issues Toxic

: Yes, known to cause a problem
: No, known not to cause a problem
: Possibly, status not identified
- : No data found

Handling issues:
Property Value Source/Quality Score/Other Information Interpretation
General No information available
CLP classification 2013 Health: H302, H312
EnvironmentL H400, H410
EC Risk Classification Xn - Harmful: R21/22
N - Dangerous for the environment: R50, R53
EC Safety Classification S2, S36/37, S60, S61
WHO Classification II - Moderately hazardous
US EPA Classification (formulation) II - Warning - Moderately toxic
UN Number 3018
Waste disposal & packaging -


TRANSLATIONS

for phenthoate

Language Name
English phenthoate
French phenthoate
German Phenthoat
Danish phenthoate
Italian fentoato
Spanish fentoate
Greek phenthoate
Slovenian fentoat
Polish fentoat
Swedish -
Hungarian fentoat
Dutch feenthoaat

Record last updated: Sunday 14 August 2016
Contact: aeru@herts.ac.uk