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GET ADDITIONAL DATA HERE!

EPTC (Ref: R 1608)
** ethyl dipropylthiocarbamate ** epthame ** eptam ** 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 EPTC

Description: A herbicide used for pre-emergence control of annual and perennial grasses plus some broad-leaved weeds

Example pests controlled: Couch; Sedges; Bermudagrass; Pigweed; Lambsquarters; Nightshade; Foxtails; Barnyard grass; bents

Example applications: Vegetables including peas, beans; Alfalfa; Forage legumes; Potatoes; Corn; Sweet potatoes

Efficacy & activity: -

Availability status: Current

Introduction & key dates: circa 1957

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) Not applicable
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

Also used in: USA

Chemical structure: Click here for further information on the general chemical status information used on this site
Isomerism -
Chemical formula C9H19NOS
Canonical SMILES CCCN(CCC)C(=O)SCC
Isomeric SMILES No data
International Chemical Identifier key (InChIKey) GUVLYNGULCJVDO-UHFFFAOYSA-N
International Chemical Identifier (InChI) InChI=1S/C9H19NOS/c1-4-7-10(8-5-2)9(11)12-6-3/h4-8H2,1-3H3
2D structure diagram/image available? Yes

General status: Click here for further information on the general chemical status information used on this site
Pesticide type Herbicide
Substance group Thiocarbamate
Minimum active substance purity -
Known relevant impurities -
Substance origin Synthetic
Mode of action Selective, systemic absorbed by roots and shoots. Lipid synthesis inhibitor.
CAS RN 759-94-4
EC number 212-073-8
CIPAC number 155
US EPA chemical code 041401
PubChem CID 12968
Molecular mass (g mol-1) 189.3
PIN (Preferred Identification Name) S-ethyl dipropylcarbamothioate
IUPAC name S-ethyl dipropyl(thiocarbamate)
CAS name S-ethyl dipropylcarbamothioate
Other status information Potential groundwater contaminant; PAN listed Highly Hazardous Chemical
Relevant Environmental Water Quality Standards -
Herbicide Resistance Classification (HRAC) N
Herbicide Resistance Classification (WSSA) 8
Insecticide Resistance Classification (IRAC) Not applicable
Fungicide Resistance Classification (FRAC) Not applicable
Examples of recorded resistance -
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
  • Stauffer
Example products using this active
  • Eradicane
  • Eptam
  • Genep
  • Shortstop
UK LERAP status No UK approval for use as a pesticide under EC Regulation 1107/2009
Formulation and application details Usually formulated as an emulsifiable concentrate or as granules.


ENVIRONMENTAL FATE

for EPTC

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) 370 K4 Moderate
Solubility - In organic solvents at 20oC (mg l-1) Miscible C4 - Acetone -
Miscible C4 - Benzene -
Miscible C4 - Xylene -
Miscible C4 - Ethanol -
Melting point (oC) Not applicable L3 -
Boiling point (oC) 127 L3 -
Degradation point (oC) 200 L2 -
Flashpoint (oC) 110 L3 -
Octanol-water partition coefficient at pH 7, 20oC P 1.58 X 1003 Calculated -
Log P 3.2 G4 High
Bulk density (g ml-1)/Specific gravity 0.96 L3 -
Dissociation constant (pKa) at 25oC Not applicable Q3 -
Note: No dissociation
Vapour pressure at 20oC (mPa) 4500 G3 Highly volatile
Henry's law constant at 25oC (Pa m3 mol-1) 5.00 X 10-06 L3 Non-volatile
GUS leaching potential index Click here for a note on the limitations of the GUS index 1.34 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 5.12 X 10-03 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) 6 M3 Non-persistent
DT50 (lab at 20oC) - - -
DT50 (field) 18 C4 Non-persistent
DT90 (lab at 20oC) - - -
DT90 (field) - - -
DT50 modelling endpoint - - -
Note Literature DT50 range 6-30 days in the field; Other sources: DT50 30-60 days (R3)
Dissipation rate RL50 on plant matrix Value - - -
Note -
Dissipation rate RL50 on and in plant matrix Value - - -
Note -
Aqueous photolysis DT50 (days) at pH 7 Value - - -
Note -
Aqueous hydrolysis DT50 (days) at 20oC and pH 7 Value 300 C4 Persistent
Note -
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 - G3 Moderately mobile
Koc 300
Notes and range Other literature sources: 109-240 mL/g (R3)
Freundlich Kf 0.76 R3 Moderately mobile
Kfoc 187.7
1/n 0.905
Notes and range Literature data: Kf range 0.36-0.47 mL/g, Kfoc range 153-222 mL/g, 1/n range 0.826-0.984, soils=2
pH sensitivity -


ECOTOXICOLOGY

for EPTC

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) 60 P4 Low potential
CT50 (days) Not available -
Mammals - Acute oral LD50 (mg kg-1) 916 V3 Rat Moderate
Mammals - Short term dietary NOEL (mg kg-1) - L2 Rat, 21 day -
(ppm diet) 326 -
Birds - Acute LD50 (mg kg-1) 1000 F3 Anas platyrhynchos Moderate
Birds - Short term dietary (LC50/LD50) - - -
Fish - Acute 96 hour LC50 (mg l-1) 14 L3 Lepomis macrochirus Moderate
Fish - Chronic 21 day NOEC (mg l-1) - - -
Aquatic invertebrates - Acute 48 hour EC50 (mg l-1) 14 L3 Daphnia magna Moderate
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) 2.9 F1 Lemna gibba, 96 hour Moderate
Non-target plants - - -
- - -
Algae - Acute 72 hour EC50, growth (mg l-1) 5.46 F4 Pseudokirchneriella subcapitata 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) 11.0 L3 Moderate
Unknown mode acute 48 hour LD50 (μg bee-1) - - -
Earthworms - Acute 14 day LC50 (mg kg-1) 267 L3 Moderate
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 EPTC

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) 916 V3 Rat Moderate
Mammals - Dermal LD50 (mg kg-1 body weight) > 2000 L3 Rat -
Mammals - Inhalation LC50 (mg l-1) 3.8 L3 Rat -
Other Mammal toxicity endpoints - -
ADI - Acceptable Daily Intake (mg kg-1bw day-1) - - -
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 - - -
Exposure Limits - - -
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: H302
EC Risk Classification Click here to view information omn the EU risk phrases Xn - Harmful: R22
EC Safety Classification Click here to view information omn the EU safety phrases S2, S23
WHO Classification II - Moderately hazardous
US EPA Classification (formulation) III - Caution - Slightly toxic
UN Number -
Waste disposal & packaging Click here for a description of UN packaging marks -


TRANSLATIONS

for EPTC

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

Record last updated: Monday 28 May 2018
Contact: aeru@herts.ac.uk