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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 aphids, scale insects, leafhoppers, mealybugs and other pests

Introduction: -

EC Regulation 1107/2009 (repealing 91/414):
Status Not approved
Dossier rapporteur/co-rapporteur -
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

HU

IE

IT

LT

LU

LV

MT

NL

PL

PT

RO

SE

SI

SK

UK

General status:
Pesticide type Insecticide, Acaricide
Substance group Organophosphate
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 or specific isomer of chiral molecule
Chemical formula C12H17O4PS2
SMILES O=C(OCC)C(SP(=S)(OC)OC)c1ccccc1
International Chemical Identifier (InChI) InChI=1/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
Insecticide Resistance Classification (IRAC) 1B
Fungicide Resistance Classification (FRAC) Not applicable
Physical state Colourless liquid
Related substances & organisms

Formulations:
Property Value
Example manufacturers of products using this active
  • Astra
  • Nissan Chemicals
Example products using this active
  • Amisan
  • Forsan
  • Idealon
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 Intermediate state
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
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 381 J3 Poecilia reticulata Threshold for concern
CT50 (days) Not available -
Bioaccumulation potential - Calculated Moderate
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) - - -
Algae - Acute 72 hour EC50, growth (mg l-1) - - -
Algae - Chronic 96 hour NOEC, growth (mg l-1) - - -
Honeybees - 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
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 -
Examples of European MRLs (mg kg-1) Value -
Note For the EU pesticides database click here
Drinking Water MAC (μg l-1) - - -

Health issues:
Carcinogen Mutagen Endocrine disrupter Reproduction / development effects Acetyl cholinesterase inhibitor Neurotoxicant Respiratory tract irritant Skin irritant Eye irritant

-

-

-

-

-

-

General human health issues Toxic

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

Handling issues:
Property Value Source/Quality Score/Other Information Interpretation
General No information available
CLP classification 2013 -
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: Friday 07 June 2013
Contact: aeru@herts.ac.uk