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GET ADDITIONAL DATA HERE!

tepraloxydim (Ref: BAS 620H)
** caloxydim ** 191819 ** 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 tepraloxydim

Description: A post-emergence herbicide for control of annual grass weeds

Example pests controlled: Volunteer cereals; Sterile brome; Blackgrass; Annual meadowgrass; Common couch

Example applications: Oilseed rape; Sugarbeet; Fodder beet; Peas; Field beans; Cabbage; Cauliflower; Linseed; Flax; Carrots; Onions; Leeks

Efficacy & activity: -

Availability status: Current

Introduction & key dates: 1999, first reported & registered

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) No
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: Australia

Chemical structure: Click here for further information on the general chemical status information used on this site
Isomerism A chiral molecule with a pair of optical isomers.
Chemical formula C17H24ClNO4
Canonical SMILES CCC(=C1C(=O)CC(CC1=O)C2CCOCC2)NOCC=CCl
Isomeric SMILES CCC(=C1C(=O)CC(CC1=O)C2CCOCC2)NOC/C=C/Cl
International Chemical Identifier key (InChIKey) IOYNQIMAUDJVEI-ZFNPBRLTSA-N
International Chemical Identifier (InChI) InChI=1S/C17H24ClNO4/c1-2-14(19-23-7-3-6-18)17-15(20)10-13(11-16(17)21)12-4-8-22-9-5-12/h3,6,12-13,20H,2,4-5,7-11H2,1H3/b6-3+,19-14?
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 Cyclohexadione
Minimum active substance purity 920 g/Kg
Known relevant impurities -
Substance origin Synthetic
Mode of action Broad spectrum, absorbed through leaves and translocated. ACCase inhibitor.
CAS RN 149979-41-9
EC number -
CIPAC number 608
US EPA chemical code 121005
PubChem CID 6259842
Molecular mass (g mol-1) 341.8
PIN (Preferred Identification Name) rac-(5R)-2-[(1E)-N-{[(2E)-3-chloroprop-2-en-1-yl]oxy}propanimidoyl]-3-hydroxy-5-(oxan-4-yl)cyclohex-2-en-1-one
IUPAC name (5RS)-2-{(EZ)-1-[(2E)-3-chloroallyloxyimino]propyl}-3-hydroxy-5-perhydropyran-4-ylcyclohex-2-en-1-one
CAS name 2-(1-((((2E)-3-chloro-2-propenyl)oxy)imino)propyl)-3-hydroxy-5-(tetrahydro-2H-pyran-4-yl)-2-cyclohexen-1-one
Other status information -
Relevant Environmental Water Quality Standards -
Herbicide Resistance Classification (HRAC) A
Herbicide Resistance Classification (WSSA) 1
Insecticide Resistance Classification (IRAC) Not applicable
Fungicide Resistance Classification (FRAC) Not applicable
Examples of recorded resistance Lolium rigidum
Physical state White to beige coloured powder with characteristic odour
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
  • BASF
  • Calyton
  • Standon
  • Teliton
Example products using this active
  • Aramo
  • Standon Tonga
UK LERAP status None
Formulation and application details Often supplied as emulsifiable concentrates that are mixed with water and used as a spray.


ENVIRONMENTAL FATE

for tepraloxydim

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) 430 A5 Moderate
Solubility - In organic solvents at 20oC (mg l-1) 450000 A5 - Ethyl acetate -
460000 A5 - Acetone -
270000 A5 - Methanol -
1000 A5 - n-Heptane -
Melting point (oC) 74 A5 -
Boiling point (oC) >185 A5 -
Degradation point (oC) - - -
Flashpoint (oC) Not expected to self ignite; Not highly flammable A5 -
Octanol-water partition coefficient at pH 7, 20oC P 3.16 X 1001 Calculated -
Log P 1.5 A5 Low
Bulk density (g ml-1)/Specific gravity 1.28 A5 -
Dissociation constant (pKa) at 25oC 4.58 A5 -
Note: Weak acid
Vapour pressure at 20oC (mPa) 0.027 A5 Low volatility
Henry's law constant at 25oC (Pa m3 mol-1) 8.74 X 10-06 C4 Non-volatile
GUS leaching potential index Click here for a note on the limitations of the GUS index 2.49 Calculated Transition state
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 3.97 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 258nm = 11000 A4 -
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) 10 L3 Non-persistent
DT50 (lab at 20oC) 8.7 A5 Non-persistent
DT50 (field) 63 A5 Moderately persistent
DT90 (lab at 20oC) 29.4 A5 -
DT90 (field) - - -
DT50 modelling endpoint - - -
Note EU dossier lab studies DT50 range 5.2-14 days, DT90 range 17-48 days days; field studies DT50 range 45-81 days
Dissipation rate RL50 on plant matrix Value - - -
Note -
Dissipation rate RL50 on and in plant matrix Value 2.7 R3 -
Note Soybean seeds, n=1
Aqueous photolysis DT50 (days) at pH 7 Value 1.5 C4 Moderately fast
Note -
Aqueous hydrolysis DT50 (days) at 20oC and pH 7 Value Stable A5 -
Note Stable pH7-9; DT50 6.6 days @ pH4, 24.4 days @ pH 5
Water-sediment DT50 (days) 85 A5 Moderately fast
Water phase only DT50 (days) >100 A5 -

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 - - -
Koc -
Notes and range -
Freundlich Kf 0.36 A5 Mobile
Kfoc 22.2
1/n 0.928
Notes and range EU dossier Kf range 0.01-1.47 mL/g; Kfoc range 0.3-77.2 mL/g; 1/n range 0.630-1.236, Soils=9
pH sensitivity Yes - adsorption increases at lower pH

Key metabolites:
Metabolite Formation medium Estimated maximum occurrence fraction 1107/2009 relevancy Click here for further information on 1107/2009 relevancy
3-hydroxy-2-(1-iminopropyl)-5-(tetrahydropyran-4-yl)cyclohex-2-en-1-one This metabolite may cause environmental pollution, click here for further information Soil   0.111   Major fraction, Relevant
2-ethyl-6-(tetrahydropyran-4-yl)-4,5,6,7-tetrahydrobenzoxasol-4-one This metabolite may cause environmental pollution, click here for further information Soil   0.100   Major fraction, Relevant

Other known metabolites:
Metabolite name and reference Aliases Formation medium / Rate Estimated maximum occurrence fraction Metabolising enzymes
3-(tetrahydro-pyran-4-yl)-glutaric acid tepraloxydim diacid; tepraloxydim GP Plant (straw) - -
- 6-OH-DP-2; tepraloxydim oxazole Plant - -
3-hydroxy-3-(tetrahydro-pyran-4-yl)-glutaric acid OH-GP Plant; Animal - -
- - - - -
5-hydroxytepraloxydim 5-OH DP Plant; Rats; Animals - -


ECOTOXICOLOGY

for tepraloxydim

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) Low risk A5 Based on LogP < 3 Low potential
CT50 (days) - -
Mammals - Acute oral LD50 (mg kg-1) 5000 A5 Rat Low
Mammals - Short term dietary NOEL (mg kg-1) - - -
(ppm diet) - -
Birds - Acute LD50 (mg kg-1) > 2000 A5 Colinus virginianus Low
Birds - Short term dietary (LC50/LD50) > 6000 mg kg diet-1 A5 Colinus virginianus -
Fish - Acute 96 hour LC50 (mg l-1) 82.5 A5 Lepomis machrochinus Moderate
Fish - Chronic 21 day NOEC (mg l-1) 10 A5 Oncorhynchus mykiss Moderate
Aquatic invertebrates - Acute 48 hour EC50 (mg l-1) > 100 A5 Daphnia magna Low
Aquatic invertebrates - Chronic 21 day NOEC (mg l-1) 50 A4 Daphnia magna Low
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) 6.5 A5 Lemna gibba Moderate
Non-target plants - - -
- - -
Algae - Acute 72 hour EC50, growth (mg l-1) 78.2 P4 Chlorella fusca Low
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) > 200 A5 Low
Unknown mode acute 48 hour LD50 (μg bee-1) - - -
Earthworms - Acute 14 day LC50 (mg kg-1) > 1000 A5 Eisenia foetida Low
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 100 Mortality
Fecundity
A5 Typhlodromus pyri
-
Other arthropod (2) LR50 g ha-1 - - -
% Effect 62.5 Mortality
Reproduction capacity
A5 Aphidius rhopalosiphi
-
Soil micro-organisms Nitrogen mineralisation: No significant adverse effect
Carbon mineralisation: No significant adverse effect
A5
Dose: 2.5 Litres BAS 6200H + 10 Litres Dash
-
Mesocosm study data NOEAEC mg l-1 - - -
NOEAEC mg l-1 - - -


HUMAN HEALTH AND PROTECTION

for tepraloxydim

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) 5000 A5 Rat Low
Mammals - Dermal LD50 (mg kg-1 body weight) > 2000 A5 Rat -
Mammals - Inhalation LC50 (mg l-1) > 5.1 A5 Rat, 4 hr (nose-only) -
Other Mammal toxicity endpoints - -
ADI - Acceptable Daily Intake (mg kg-1bw day-1) 0.025 A5 Rat, SF=200 -
ARfD - Acute Reference Dose (mg kg-1bw day-1) 0.4 A5 Rat, SF=100 -
AAOEL - Acute Acceptable Operator Exposure Level (mg kg-1 bw day-1) - - -
AOEL - Acceptable Operator Exposure Level - Systemic (mg kg-1bw day-1) 0.06 A5 Rat, SF=200 -
Dermal penetration studies (%) 100 A5 default -
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 Possible liver & kidney toxicant

: 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: H315, H361fd
EC Risk Classification Click here to view information omn the EU risk phrases Carcinogen category 3: R40
Reproduction risk category 3: R62, R63
Xn - Harmful: R65, R66
Xi - Irritant: R38
N - Dangerous for the environment: R51, R53
EC Safety Classification Click here to view information omn the EU safety phrases S2, S13, S20/21, S35, S36/37, S57, S62
WHO Classification NL - Not listed
US EPA Classification (formulation) No consensus across products or no products available - -
UN Number -
Waste disposal & packaging Click here for a description of UN packaging marks -


TRANSLATIONS

for tepraloxydim

Language Name
English tepraloxydim
French tepraloxydim
German Tepraloxydim
Danish tepraloxydim
Italian tepraloxydim
Spanish tepraloxidim
Greek -
Slovenian tepraloksidim
Polish tepraloksydim
Swedish tepraloxidim
Hungarian -
Dutch tepraloxydim

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