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GET ADDITIONAL DATA HERE!

picolinafen (Ref: BAS 700H)
** AC 900001 ** CL 900001 ** picalinafen ** 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 picolinafen

Description: A post-emergence cereal herbicide used to control broad-leaved weeds in some cereals

Example pests controlled: Broad-leaved weeds including cleavers, chickweeds, field speedwell, field pansy and shepherd's purse.

Example applications: Winter wheat; Winter barley; Winter rye; Triticale

Efficacy & activity: -

Availability status: Current

Introduction & key dates: 2001

EC Regulation 1107/2009 (repealing 91/414):
Status Approved
Dossier rapporteur/co-rapporteur Germany/Latvia
Date inclusion expires 30/06/2031
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; Canada

Chemical structure: Click here for further information on the general chemical status information used on this site
Isomerism -
Chemical formula C19H12F4N2O2
Canonical SMILES C1=CC(=CC(=C1)OC2=CC=CC(=N2)C(=O)NC3=CC=C(C=C3)F)C(F)(F)F
Isomeric SMILES No data
International Chemical Identifier key (InChIKey) CWKFPEBMTGKLKX-UHFFFAOYSA-N
International Chemical Identifier (InChI) InChI=1S/C19H12F4N2O2/c20-13-7-9-14(10-8-13)24-18(26)16-5-2-6-17(25-16)27-15-4-1-3-12(11-15)19(21,22)23/h1-11H,(H,24,26)/f/h24H
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 Pyridine compound
Minimum active substance purity 980 g/kg
Known relevant impurities EU dossier - None declared
Substance origin Synthetic
Mode of action Selective, with rapid foliar absorption. Bleaching: inhibition of carotenoid biosynthesis.
CAS RN 137641-05-5
EC number -
CIPAC number 639
US EPA chemical code -
PubChem CID 3294375
Molecular mass (g mol-1) 376.30
PIN (Preferred Identification Name) -
IUPAC name 4'-fluoro-6-(α,α,α-trifluoro-m-tolyloxy)pyridine-2-carboxanilide
CAS name N-(4-fluorophenyl)-6-[3-(trifluoromethyl)phenoxy]-2-pyridinecarboxamide
Other status information -
Relevant Environmental Water Quality Standards -
Herbicide Resistance Classification (HRAC) F1
Herbicide Resistance Classification (WSSA) 12
Insecticide Resistance Classification (IRAC) Not applicable
Fungicide Resistance Classification (FRAC) Not applicable
Examples of recorded resistance -
Physical state White crystalline solid
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
Example products using this active
  • Flight
  • Orient
  • PicoMax
  • Picona
  • PicoPro, PicoStomp
UK LERAP status Buffer probably required in UK - see product label
Formulation and application details Often supplied as wettable granules that are mixed with water and used as a spray.


ENVIRONMENTAL FATE

for picolinafen

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) 0.047 A5 Low
Solubility - In organic solvents at 20oC (mg l-1) 557000 A5 - Acetone -
464000 A5 - Ethyl acetate -
30400 A5 - Methanol -
263000 A5 - Toluene -
Melting point (oC) 107.4 A5 -
Boiling point (oC) Decomposes before boiling A5 -
Degradation point (oC) 230 A5 -
Flashpoint (oC) Not expected to self ignite; Not highly flammable A5 -
Octanol-water partition coefficient at pH 7, 20oC P 2.69 X 1005 Calculated -
Log P 5.43 A5 High
Bulk density (g ml-1)/Specific gravity 1.45 A5 -
Dissociation constant (pKa) at 25oC Not applicable A5 -
Note: No dissociation
Vapour pressure at 20oC (mPa) 1.70 X 10-04 A5 Low volatility
Henry's law constant at 25oC (Pa m3 mol-1) 1.60 X 10-03 A5 Non-volatile
GUS leaching potential index Click here for a note on the limitations of the GUS index -0.28 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 5.35 X 10-03 Calculated -
Note Estimated concentrations of chemicals with Koc values greater than 9995 ml g-1 are beyond the scope of the regression data used in SCI-GROW development. If there are concerns for such chemicals, a higher tier groundwater exposure assessment should be considered, regardless of the concentration returned by SCI-GROW
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 202nm = 39500, 230nm = 14600, 290nm = 13000 A5 -
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) 6.1 A5 Non-persistent
DT50 (lab at 20oC) 6.1 A5 Non-persistent
DT50 (field) 31.0 A5 Moderately persistent
DT90 (lab at 20oC) 50.8 A5 -
DT90 (field) 120.9 A5 -
DT50 modelling endpoint - - -
Note EU dossier (2015) lab studies DT50 range 1.97-80.1 days, DT90 range 8.53-169.3 days, Field studies DT50 range 7.8-61.5 days, DT90 range 26.0-204.2 days, soils =7; EU dossier (2004) lab studies DT50 range 1-14 days, DT90 range 34-149 days, field studies DT50 range 9-64 days, DT90 range 56-212 days
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 31 A5 Stable
Note pH sensitive: DT50 25 days at pH 5, 31 days at pH 7, 23 days at pH 9, all at 23 degC, 7 day continuous irradiation
Aqueous hydrolysis DT50 (days) at 20oC and pH 7 Value Stable A5 -
Note Stable pH 4 to pH 9, 5 days at 50 degC
Water-sediment DT50 (days) 6.2 A5 Fast
Water phase only DT50 (days) 1.3 A5 Moderately fast

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 425 A5 Non-mobile
Koc 28300
Notes and range EU dossier Kd range 248-764 mL/g, Koc range 10783-58769 mL/g, Soils=4
Freundlich Kf 385 A5 Non-mobile
Kfoc 22500
1/n 0.993
Notes and range EU dossier Kf range 200-603 mL/g, Kfoc range 17100-31800 mL/g, 1/n range 0.969-1.03, Soils=4
pH sensitivity Stronger adsorption on acidic soils

Key metabolites:
Metabolite Formation medium Estimated maximum occurrence fraction 1107/2009 relevancy Click here for further information on 1107/2009 relevancy
6-(3-trifluoromethylphenoxy)-2-pyridine carboxylic acid (Ref: CL-153815) This metabolite may cause environmental pollution, click here for further information Soil   0.664   Major fraction, Relevant
4-fluoroaniline (Ref: CL7693) Soil   0.076   Minor fraction, Relevant

Other known metabolites:
Metabolite name and reference Aliases Formation medium / Rate Estimated maximum occurrence fraction Metabolising enzymes
2-(3-trifluoromethyl-phenoxy)-6-pyridine carboxylic acid methyl ester CL 197393 Soil - -


ECOTOXICOLOGY

for picolinafen

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) 617 A5 Threshold for concern
CT50 (days) Not available -
Mammals - Acute oral LD50 (mg kg-1) > 5000 A5 Rat Low
Mammals - Short term dietary NOEL (mg kg-1) 2.7 L2 Rat, 2 year High
(ppm diet) - -
Birds - Acute LD50 (mg kg-1) > 2250 A5 Anas platyrhynchos Low
Birds - Short term dietary (LC50/LD50) > 5314 mg kg feed-1 A5 Anas platyrhynchos -
Fish - Acute 96 hour LC50 (mg l-1) > 0.68 A5 Oncorhynchus mykiss Moderate
Fish - Chronic 21 day NOEC (mg l-1) 0.0064 A5 Oncorhynchus mykiss High
Aquatic invertebrates - Acute 48 hour EC50 (mg l-1) > 0.45 A5 Daphnia magna Moderate
Aquatic invertebrates - Chronic 21 day NOEC (mg l-1) 0.007 A5 Daphnia magna High
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) 0.18 A5 Chironomus riparius Moderate
Sediment dwelling organisms - Chronic 28 day NOEC, sediment (mg kg-1) - - -
Aquatic plants - Acute 7 day EC50, biomass (mg l-1) 0.057 A5 Lemna gibba Moderate
Non-target plants > 5 A5 Beta vulgaris
Seedling emergence, ED50
as g/ha
-
> 5 A5 Beta vulgaris
Vegetative vigour, ED50
as g/ha
-
Algae - Acute 72 hour EC50, growth (mg l-1) 0.00016 A5 Pseudokirch subcap. High
Algae - Chronic 96 hour NOEC, growth (mg l-1) - - -
Honeybees Contact acute 48 hour LD50 (μg bee-1) > 200 A5 Low
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) > 500 A5 Eisenia foetida, corr Moderate
Earthworms - Chronic 14 day NOEC, reproduction (mg kg-1) 1.675 A5 Eisenia foetida, corr Moderate
Other soil macro-organisms - e.g. Collembola LR50 / EC50 / NOEC / % Effect - - -
Other arthropod (1) LR50 g ha-1 100 >
A5 Aphidius rhopalosiphi
-
% Effect 10 Fertility
A3 Aphidius rhopalosiphi
-
Other arthropod (2) LR50 g ha-1 100 >
A5 Typhlodromus pyri
-
% Effect 10 Fertility
A4 Typhlodromus pyri
-
Soil micro-organisms Nitrogen mineralisation: Tolerable effects
Carbon mineralisation: Tolerable effects
A5
Dose: 0.5 kg ha-1
-
Mesocosm study data NOEAEC mg l-1 0.00018 A5 Algae, plants and aquatic invertebrates -
NOEAEC mg l-1 - - -


HUMAN HEALTH AND PROTECTION

for picolinafen

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) > 4000 A5 Rat -
Mammals - Inhalation LC50 (mg l-1) > 5.9 A5 Rat, 4 hr (nose only) -
Other Mammal toxicity endpoints - -
ADI - Acceptable Daily Intake (mg kg-1bw day-1) 0.014 A5 Dog, SF=100 -
ARfD - Acute Reference Dose (mg kg-1bw day-1) 0.05 A5 Rabbit, 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) 0.03 A5 Dog, 90 day, SF=100 -
Dermal penetration studies (%) 25 A5 -
Dangerous Substances Directive 76/464 List II - -
Exposure Limits - - -
Exposure Routes Public No unacceptable risks to bystanders identified
Occupational No unacceptable risks to operators or other workers identified
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 Thyroid & kidney toxicant
May cause anaemia

: 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 Not explosive or oxidising
IMDG Transport Code is usually 9
CLP classification 2013 Environment: H410
EC Risk Classification Click here to view information omn the EU risk phrases N - Dangerous for the environment: R50/53
EC Safety Classification Click here to view information omn the EU safety phrases None allocated at this time
WHO Classification NL - Not listed
US EPA Classification (formulation) No consensus across products or no products available - -
UN Number Usually 3077
Waste disposal & packaging Click here for a description of UN packaging marks Packaging Group III (minor danger)


TRANSLATIONS

for picolinafen

Language Name
English picolinafen
French picolinafen
German Picolinafen
Danish picolinafen
Italian picolinafen
Spanish picolinafen
Greek -
Slovenian pikolinafen
Polish pikolinafen
Swedish pikolinafen
Hungarian -
Dutch -

Record last updated: Friday 14 September 2018
Contact: aeru@herts.ac.uk