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2-(4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1H-imidazol-2-yl)-3,5,pyridinecarboxylic acid (Ref: CL-312622)
** imazamox dicarboxylic acid ** M720H002 ** Translations

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

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

Description: Chemical transformation product

Availability status: Possible groundwater contaminant

Introduction & key dates: Not applicable

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

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

General status: Click here for further information on the general chemical status information used on this site
Pesticide type Metabolite
Metabolite Type Soil, Mammal, Surface water, Groundwater, Plant
Substance group Imidazolinone
Minimum active substance purity -
Known relevant impurities -
Substance origin Synthetic
Mode of action Not applicable
CAS RN -
EC number -
CIPAC number -
US EPA chemical code Not applicable
Chiral molecule No
Chemical formula -
SMILES CC1(N=C(NC1=O)c2ncc(cc2C(=O)O)C(=O)O)C(C)C
International Chemical Identifier key (InChIKey) -
International Chemical Identifier (InChI) -
Structure diagram/image available? Yes
Molecular mass (g mol-1) 305.3
PIN (Preferred Identification Name) -
IUPAC name -
CAS name 2-(4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1H-imidazol-2-yl)-3,5,pyridinecarboxylic acid
Other status information -
Herbicide Resistance Classification (HRAC) Not applicable
Herbicide Resistance Classification (WSSA) Not applicable
Insecticide Resistance Classification (IRAC) Not applicable
Fungicide Resistance Classification (FRAC) Not applicable
Examples of recorded resistance -
Physical state -
Related substances & organisms -

Can be a metabolite of:
Parent Formation medium Estimated maximum occurrence fraction 91/414 relevancy Click here for further information on 91/414 relevancy
imazapic Soil   0.1   -
imazamox Soil   0.436   Major fraction, Not relevant

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
  • Not applicable
Example products using this active -
UK LERAP status Not applicable
Formulation and application details -


ENVIRONMENTAL FATE

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) - - -
Solubility - In organic solvents at 20oC (mg l-1) - - -
Melting point (oC) - - -
Boiling point (oC) - - -
Degradation point (oC) - - -
Flashpoint (oC) - - -
Octanol-water partition coefficient at pH 7, 20oC P - - -
Log P - - -
Bulk density (g ml-1)/Specific gravity - - -
Dissociation constant (pKa) at 25oC - - -
Note:
Vapour pressure at 25oC (mPa) - - -
Henry's law constant at 25oC (Pa m3 mol-1) - - -
Henry's law constant at 20oC (dimensionless) - - -
GUS leaching potential index Click here for a note on the limitations of the GUS index 1.27 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 2.66 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 - - -
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
Soil degradation (days) (aerobic) DT50 (typical) 24.6 A5 Non-persistent
DT50 (lab at 20oC) 24.6 A5 Non-persistent
DT50 (field) - - -
DT90 (lab at 20oC) 105.6 A5 -
DT90 (field) - - -
Note EU 2016 dossier Lab studies DT50 range 7.4-55.0 days, DT90 range 25.0-224 days, Soils=6
Plant matrix DT50 (days) Value - - -
Note -
Aqueous photolysis DT50 (days) at pH 7 Value 2.1 K4 Moderately fast
Note -
Aqueous hydrolysis DT50 (days) at 20oC and pH 7 Value Stable A5 -
Note Stable @ pH4, 222 days @ pH9
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 - - -
Koc -
Notes and range -
Freundlich Kf 0.45 A5 Slightly mobile
Kfoc 1230.6
1/n 0.974
Notes and range EU 2016 dossier Kf range 0.05-1.05, Kfoc range 4.6-88.2 mL/g, 1/n range 0.9-1.0, Soils=8
pH sensitivity No


ECOTOXICOLOGY

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) > 5000 A5 Rat Low
Mammals - Short term dietary NOEL (mg kg-1) - - -
(ppm diet) - -
Birds - Acute LD50 (mg kg-1) - - -
Birds - Short term dietary (LC50/LD50) - - -
Fish - Acute 96 hour LC50 (mg l-1) - - -
Fish - Chronic 21 day NOEC (mg l-1) - - -
Aquatic invertebrates - Acute 48 hour EC50 (mg l-1) - - -
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) 6.3 A5 Lemna gibba Moderate
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) - - -
Earthworms - Acute 14 day LC50 (mg kg-1) - - -
Earthworms - Chronic 14 day NOEC, reproduction (mg kg-1) 0.963 A5 Eisenia foetida Moderate
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 Nitrogen mineralisation: No significant adverse effect
Carbon mineralisation: Some stimulatory effects 		A5
Dose: 150 g ha-1 		-
Mesocosm study data NOEAEC mg l-1 - - -
NOEAEC mg l-1 - - -


HUMAN HEALTH AND PROTECTION

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 - - -
Mammals - Acute oral LD50 (mg kg-1) > 5000 A5 Rat Low
Mammals - Dermal LD50 (mg kg-1 body weight) - - -
Mammals - Inhalation LC50 (mg l-1) - - -
Other Mammal toxicity endpoints - -
ADI - Acceptable Daily Intake (mg kg-1bw day-1) - - -
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 - - -
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 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 -
EC Risk Classification Click here to view information omn the EU risk phrases -
EC Safety Classification Click here to view information omn the EU safety phrases -
WHO Classification NL - Not listed
US EPA Classification (formulation) Not applicable - -
UN Number -
Waste disposal & packaging Click here for a description of UN packaging marks -


TRANSLATIONS

Language Name
English 2-(4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1H-imidazol-2-yl)-3,5,pyridinecarboxylic acid
French -
German -
Danish -
Italian -
Spanish -
Greek -
Slovenian (+-)-2-[4,5-dihidro-4-metil-4-(1-metiletil)-5-okso-1H-imidazol-2-il]-3,5,piridinckarboksilna kislina
Polish kwas (+-)-2-[4,5-dihydro-4-metylo-4-(1-metyloetylo)-5-okso-1H-imidazol-2-ilo]-3,5,pirydynokarboksylowy
Swedish -
Hungarian -
Dutch -

Record last updated: Friday 30 September 2016
Contact: aeru@herts.ac.uk
© University of Hertfordshire