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sulfotep (Ref: ENT 16273)
** sulfotepp ** dithio ** dithione ** thiotep ** TEDP ** Translations

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

GENERAL INFORMATION Click here for an explantaion of the general chemical status information
for sulfotep

Description: An insecticide and acaracide fumigant used to control chewing and sucking insects. It is also an impurity of chlorpyrifos.

Example pests controlled: Aphids; Thrips; Spider mites; Whiteflies

Example applications: Greenhouses

Efficacy & activity: -

Availability status: Unknown

Introduction & key dates: 1945

EC Regulation 1107/2009 (repealing 91/414):
Status Not approved
Dossier rapporteur/co-rapporteur Not applicable
Date inclusion expires Expired
EU Candidate for substitution (CfS) -
Listed in EU database Yes

Approved for use () or known to be used () in the following European countries: Click to access a note on the approvals information on this site

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

Chemical structure: Click here for further information on the general chemical status information used on this site
Isomerism -
Chemical formula C8H20O5P2S2
Canonical SMILES CCOP(=S)(OCC)OP(=S)(OCC)OCC
Isomeric SMILES No data
International Chemical Identifier key (InChIKey) XIUROWKZWPIAIB-UHFFFAOYSA-N
International Chemical Identifier (InChI) InChI=1S/C8H20O5P2S2/c1-5-9-14(16,10-6-2)13-15(17,11-7-3)12-8-4/h5-8H2,1-4H3
Structure diagram/image available? Yes

General status: Click here for further information on the general chemical status information used on this site
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 respiratory action. Inhibitor of cholinesterase
CAS RN 3689-24-5
EC number 222-995-2
CIPAC number 198
US EPA chemical code 079501
PubChem CID 19395
Molecular mass (g mol-1) 322.32
PIN (Preferred Identification Name) O1,O1,O3,O3-tetraethyl 1,3-dithiodiphosphate
IUPAC name O,O,O',O'-tetraethyl dithiopyrophosphate
CAS name thiodiphosphoric acid (((HO)2P(S))2O) tetraethyl ester
Other status information Marine Pollutant
Relevant Environmental Water Quality Standards -
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 Myzus persicae
Tetranychus urticae
Trialeurodes vaporariorum
Physical state Pale yellow liquid
Related substances & organisms

Formulations:
Property Click here for information on the general product and branding information used on this site Value
Example manufacturers & suppliers of products using this active now or historically
  • Bayer
Example products using this active
  • Biadafum
  • Dithio
  • Thiotepp
UK LERAP status No UK approval for use as a pesticide under EC Regulation 1107/2009
Formulation and application details Usually used as a fumigant.


ENVIRONMENTAL FATE

for sulfotep

Property Click here for information on the parameters used to describe environmental fate on this site Value Source/Quality Score/Other Information Click here for information on the primary data sources used to populate this database with fate data Interpretation Click here for information on the way in which we interpret environmental fate data
Solubility - In water at 20oC (mg l-1) 10 L3 Low
Solubility - In organic solvents at 20oC (mg l-1) Miscible L2 - Acetone -
Miscible L2 - Xylene -
Miscible L2 - Methanol -
Melting point (oC) Not applicable L3 -
Boiling point (oC) - - -
Degradation point (oC) - - -
Flashpoint (oC) - - -
Octanol-water partition coefficient at pH 7, 20oC P 9.77 X 1003 Calculated -
Log P 3.99 L3 High
Bulk density (g ml-1)/Specific gravity 1.2 L3 -
Dissociation constant (pKa) at 25oC - - -
Note:
Vapour pressure at 20oC (mPa) 14 L3 Highly volatile
Henry's law constant at 25oC (Pa m3 mol-1) 4.50 X 10-01 L3 Moderately volatile
GUS leaching potential index Click here for a note on the limitations of the GUS index 1.64 Calculated Low leachability
SCI-GROW groundwater index (μg l-1) for a 1 kg ha-1 or 1 l ha-1 application rate Click here for a note on the limitations of the SCI-GROW index Value 4.43 X 10-02 Calculated -
Note -
Potential for particle bound transport index Click here for a note on the limitations of the potential for particle bound transport index - Calculated Low
Maximum UV-vis absorption L mol-1 cm-1 - - -
Surface tension (mN m-1) - - -

Degradation:
Property Click here for information on the parameters used to describe substance degradation Value Source/Quality Score/Other Information Click here for information on the primary data sources used to populate this database with degradation data Interpretation Click here for information on the way in which we interpret substance degradation data
General biodegradability -
Soil degradation (days) (aerobic) DT50 (typical) 28 K4 Non-persistent
DT50 (lab at 20oC) - - -
DT50 (field) - - -
DT90 (lab at 20oC) - - -
DT90 (field) - - -
DT50 modelling endpoint - - -
Note General literature DT50 range 14-42 days (R3)
Dissipation rate RL50 on plant matrix Value - - -
Note -
Dissipation rate RL50 on and in plant matrix Value 1.5 R4 -
Note Published literature RL50 range 1.0-2.0 days, leaves from 2 field grown crops, n=2
Aqueous photolysis DT50 (days) at pH 7 Value Stable L3 -
Note -
Aqueous hydrolysis DT50 (days) at 20oC and pH 7 Value 8.2 L3 Non-persistent
Note pH sensitive: DT50 10.7 days at pH 4, 9.1 days at pH 9, all at 22 degC
Water-sediment DT50 (days) - - -
Water phase only DT50 (days) - - -

Soil adsorption and mobility:
Property Click here for information on the parameters used to describe substance adsorption and mobility Value Source/Quality Score/Other Information Click here for information on the primary data sources used to populate this database with adsorption and mobility data Interpretation Click here for information on the way in which we interpret substance adsorption and mobility
Linear Kd - W3 Slightly mobile
Koc 740
Notes and range Literature values give Koc between 600 and 5000 mL/g
Freundlich Kf - - -
Kfoc -
1/n -
Notes and range -
pH sensitivity -

Other known metabolites:
Metabolite name and reference Aliases Formation medium / Rate Estimated maximum occurrence fraction Metabolising enzymes
monosulfotep - Soil - -
tetraethyl pyrophosphate - Soil - -
O,O-diethyl phosphorothioate - Plant; Rat (Urinary) - -
diethyl phosphate - Plant - -


ECOTOXICOLOGY

for sulfotep

Property Click here for information on the parameters used to describe substance ecotoxicology Value Source/Quality Score/Other Information Click here for information on the primary data sources used to populate this database with ecotoxicology data Interpretation Click here for information on the way in which we interpret substance ecotoxicology
Bio-concentration factor BCF (l kg-1) - - -
CT50 (days) - -
Mammals - Acute oral LD50 (mg kg-1) 5.0 F4 Rat High
Mammals - Short term dietary NOEL (mg kg-1) - L2 Rat, 2 year -
(ppm diet) 10 -
Birds - Acute LD50 (mg kg-1) > 25 V2 Gallus gallus High
Birds - Short term dietary (LC50/LD50) - - -
Fish - Acute 96 hour LC50 (mg l-1) 0.00361 L3 Oncorhynchus mykiss High
Fish - Chronic 21 day NOEC (mg l-1) - - -
Aquatic invertebrates - Acute 48 hour EC50 (mg l-1) 0.002 L3 Daphnia magna 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) > 7.2 L3 Scenedemus subspicatus Moderate
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) - - -
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 sulfotep

General:
Property Click here for information on the parameters used to describe human health and protection issues Value Source/Quality Score/Other Information Click here for information on the primary data sources used to populate this database with human health and protection data Interpretation Click here for information on the way in which we interpret human health and protection data
Threshold of Toxicological Concern (Cramer Class) Click here for a note on the limitations of the Cramer class High (class III) - -
Mammals - Acute oral LD50 (mg kg-1) 5.0 F4 Rat High
Mammals - Dermal LD50 (mg kg-1 body weight) 65.0 L3 Rat -
Mammals - Inhalation LC50 (mg l-1) 0.05 L3 Rat (aerosol) -
Other Mammal toxicity endpoints - -
ADI - Acceptable Daily Intake (mg kg-1bw day-1) 0.001 L3 -
ARfD - Acute Reference Dose (mg kg-1bw day-1) - - -
AAOEL - Acute Acceptable Operator Exposure Level (mg kg-1 bw 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 [UK LT TWA 8 hr: 0.1 mg/m3] UK EA QS database, 2018 -
Exposure Routes Public -
Occupational -
European MRLs Click here for the EU MRL pesticide database
Drinking Water Standards - - -
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 No further information available

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

Handling issues:
Property Click here for information on the parameters used to describe substance handling issues Value Source/Quality Score/Other Information Click here for information on the primary data sources used to populate this database with data on handling issues Interpretation Click here for information on the way in which we interpret data on handling issues
General Click here for a description of the International Maritime Dangerous Goods (IMDG) codes No information available
CLP classification 2013 Health: H310, H300
Environment: H400
EC Risk Classification Click here to view information omn the EU risk phrases T+ - Very toxic: R27/28
N - Dangerous for the environment: R50, R53
EC Safety Classification Click here to view information omn the EU safety phrases S1/2, S23, S28, S36/37, S45, S60, S61
WHO Classification Ia - Extremely hazardous
US EPA Classification (formulation) I - Danger - Highly toxic
UN Number 1704
Waste disposal & packaging Click here for a description of UN packaging marks -


TRANSLATIONS

for sulfotep

Language Name
English sulfotep
French sulfotep
German Sulfotep
Danish sulfotep
Italian sulfotep
Spanish sulfotep
Greek sulfotep
Slovenian sulfotep
Polish sulfotep
Swedish sulfotep
Hungarian sulfotep
Dutch sulfotep

Record last updated: Friday 25 May 2018
Contact: aeru@herts.ac.uk