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GET ADDITIONAL DATA HERE!

cloquintocet-mexyl (Ref: CGA 185072)
** cloquintocet mexyl ** 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: A herbicide safener used to improve cereal crop tolerance to the herbicide clodinafop-propargyl

Availability status: Current

Introduction & key dates: 1990

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

Chemical structure: Click here for further information on the general chemical status information used on this site
Isomerism The parent herbicide cloquintocet is achiral but the -mexyl ester is chiral.
Chemical formula C18H22ClNO3
Canonical SMILES CCCCCC(C)OC(=O)COC1=C2C(=C(C=C1)Cl)C=CC=N2
Isomeric SMILES No data
International Chemical Identifier key (InChIKey) COYBRKAVBMYYSF-UHFFFAOYSA-N
International Chemical Identifier (InChI) InChI=1S/C18H22ClNO3/c1-3-4-5-7-13(2)23-17(21)12-22-16-10-9-15(19)14-8-6-11-20-18(14)16/h6,8-11,13H,3-5,7,12H2,1-2H3
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 Other substance
Other constituent type Herbicide safener
Substance group Unclassified
Minimum active substance purity -
Known relevant impurities -
Substance origin Synthetic
Mode of action Accelerates the herbicide detoxification process
CAS RN 99607-70-2
EC number -
CIPAC number -
US EPA chemical code 700099
PubChem CID -
Molecular mass (g mol-1) 335.8
PIN (Preferred Identification Name) rac-(2R)-heptan-2-yl [(5-chloroquinolin-8-yl)oxy]acetate
IUPAC name (RS)-1-methylhexyl (5-chloroquinolin-8-yloxy)acetate
CAS name 1-methylhexyl [(5-chloro-8-quinolinyl)oxy]acetate
Other status information -
Relevant Environmental Water Quality Standards -
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 Colourless crystals
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
  • Syngenta
  • General Chemical Co. Ltd.
Example products using this active
  • Axial
  • Topik
  • Discover
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) 0.59 B5 Low
Solubility - In organic solvents at 20oC (mg l-1) 320000 C4 - Acetone -
9000 C4 - Hexane -
310000 C4 - Methanol -
320000 C4 - Toluene -
Melting point (oC) 69.4 L3 -
Boiling point (oC) - - -
Degradation point (oC) - - -
Flashpoint (oC) - - -
Octanol-water partition coefficient at pH 7, 20oC P 1.07 X 1005 Calculated -
Log P 5.03 B5 High
Bulk density (g ml-1)/Specific gravity 1.05 L3 -
Dissociation constant (pKa) at 25oC 3.75 L3 -
Note: Weak base
Vapour pressure at 20oC (mPa) 5.31 X 10-03 B5 Low volatility
Henry's law constant at 25oC (Pa m3 mol-1) 3.02 X 10-03 L3 Non-volatile
GUS leaching potential index Click here for a note on the limitations of the GUS index 0.00 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 3.29 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 Medium
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) 5 W4 Non-persistent
DT50 (lab at 20oC) - - -
DT50 (field) - - -
DT90 (lab at 20oC) - - -
DT90 (field) - - -
DT50 modelling endpoint - - -
Note Best available data
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 3 Q3 Moderately fast
Note -
Aqueous hydrolysis DT50 (days) at 20oC and pH 7 Value 139 C4 Persistent
Note Stable acid and neutral media, hydrolysed under alkaline conditions
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 Non-mobile
Koc 9856
Notes and range Best available data
Freundlich Kf - - -
Kfoc -
1/n -
Notes and range -
pH sensitivity -


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) > 2000 B5 Rat Low
Mammals - Short term dietary NOEL (mg kg-1) 9.7 B4 Rat High
(ppm diet) 150 -
Birds - Acute LD50 (mg kg-1) 2000 B5 Colinus virginianus Moderate
Birds - Short term dietary (LC50/LD50) - - -
Fish - Acute 96 hour LC50 (mg l-1) 76 B5 Oncorhynchus mykiss Moderate
Fish - Chronic 21 day NOEC (mg l-1) - - -
Aquatic invertebrates - Acute 48 hour EC50 (mg l-1) 100 B5 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) - - -
Non-target plants - - -
- - -
Algae - Acute 72 hour EC50, growth (mg l-1) 0.53 B4 Scenedemus subspicatus, 72 hour Moderate
Algae - Chronic 96 hour NOEC, growth (mg l-1) - - -
Honeybees (Apis spp.) Contact acute LD50 (worst case from 24 , 48 and 72 hour values - μg bee-1) - - -
Oral acute LD50 (worst case from 24 , 48 and 72 hour values - μg bee-1) > 100 B5 Low
Unknown mode acute LD50 (worst case from 24 , 48 and 72 hour values - μg bee-1) - - -
Bumblebees (Bombus spp.) Contact acute LD50 (worst case from 24 , 48 and 72 hour values - μg bee-1) - - -
-
Oral acute LD50 (worst case from 24 , 48 and 72 hour values - μg bee-1) - - -
-
Mason bees (Osmia spp.) Contact acute LD50 (worst case from 24 , 48 and 72 hour values - μg bee-1) - - -
Oral acute LD50 (worst case from 24 , 48 and 72 hour values - μg bee-1) - - -
Other pollinators (1) Acute LD50 (worst case from 24 , 48 and 72 hour values - μg insect-1) - - -
Mode of exposure -
Other pollinators (2) Acute LD50 (worst case from 24 , 48 and 72 hour values - μg insect-1) - - -
Mode of exposure -
Earthworms - Acute 14 day LC50 (mg kg-1) 1000 B5 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

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) > 2000 B5 Rat Low
Mammals - Dermal LD50 (mg kg-1 body weight) > 2000 L3 Rat -
Mammals - Inhalation LC50 (mg l-1) 0.935 L3 Rat -
Other Mammal toxicity endpoints - -
ADI - Acceptable Daily Intake (mg kg-1bw day-1) 0.04 UK ACP 1999 -
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 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 Genotoxic Endocrine disrupter Reproduction / development effects Cholinesterase inhibitor Neurotoxicant

A3; B3; C3; D0; E0

-

-

Respiratory tract irritant Skin irritant Skin sensitiser Eye irritant Phototoxicant

-

-

General human health issues No further information available
Key: Genotoxicity
A: Chromosome aberration (EFSA database)
B: DNA damage/repair (EFSA database)
C: Gene mutation (EFSA database)
D: Genome mutation (EFSA database)
E: Unspecified genotoxicity type (miscellaneous data source)
0: No data
1: Positive
2: Mixed/ambiguous results
3: Negative
Key: Other
: 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, H304, H373
Environment: H400, H410
EC Risk Classification Click here to view information omn the EU risk phrases Xn - Harmful: R43
EC Safety Classification Click here to view information omn the EU safety phrases S36, S37
WHO Classification NL - Not listed
UN Number -
Waste disposal & packaging Click here for a description of UN packaging marks -


TRANSLATIONS

Language Name
English cloquintocet-mexyl
French cloquintocet-mexyl
German Cloquintocet-mexyl
Danish cloquintocet-mexyl
Italian cloquintocet-mexyl
Spanish cloquintocet-mexil
Greek -
Slovenian klokvintocet-meksil
Polish klokwintocet meksylowy
Swedish -
Hungarian -
Dutch -

Record last updated: Thursday 13 September 2018
Contact: aeru@herts.ac.uk