propiconazole (Ref: CGA 64250)
** Translations

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GENERAL INFORMATION

Description: A fungicide with a broad range of activity including diseases caused by Cochliobolus sativus, Erysiphe graminis and Leptosphaeria nodorum

Introduction: 1980

EC Directive 1107/2009 (repealing 91/414):
Status Annex 1
Dossier rapporteur/co-rapporteur Finland
Date inclusion expires 31/05/2014

Approved for use () or known to be used () in the following European countries:

AT

BE

BG

CY

CZ

DE

DK

EE

EL

ES

FI

FR

HU

IE

IT

LT

LU

LV

MT

NL

PL

PT

RO

SE

SI

SK

UK

Also registered in: Australia, USA

General status:
Pesticide type Fungicide
Substance group Triazole
Substance origin Synthetic
Mode of action Systemic with curative and protective action, works via the demethylation of C-14 during ergosterol biosynthesis
CAS RN 60207-90-1
EC number 262-104-4
CIPAC number 408
US EPA chemical code 122101
Chiral molecule Yes
Chemical formula C15H17Cl2N3O2
SMILES Clc1ccc(c(Cl)c1)C2(OCC(O2)CCC)Cn3ncnc3
International Chemical Identifier (InChI) InChI=1/C15H17Cl2N3O2/c1-2-3-12-7-21-15(22-12,8-20-10-18-9-19-20)13-5-4-11(16)6-14(13)17/h4-6,9-10,12H,2-3,7-8H2,1H3
Structure diagram/image available? Yes
Molecular mass (g mol-1) 342.22
IUPAC Name (2RS,4RS;2RS,4SR)-1-[2-(2,4-dichlorophenyl)-4-propyl-1,3-dioxolan-2-ylmethyl]-1H-1,2,4-triazole
CAS Name 1-[[2-(2,4-dichlorophenyl)-4-propyl-1,3-dioxolan-2-yl]methyl]-1H-1,2,4-triazole
Other status information -
Herbicide Resistance Classification (HRAC) Not applicable
Insecticide Resistance Classification (IRAC) Not applicable
Fungicide Resistance Classification (FRAC) 3
Physical state Yellow viscous liquid
Related substances & organisms

Formulations:
Property Value
Example manufacturers of products using this active
  • Greencrop
  • Makhteshim-Agan
  • Syngenta
Example products using this active
  • Bumper 250EC
  • Cherokee
  • Menara
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

Property Value Source/Quality Score/Other Information Interpretation
Solubility - In water at 20oC (mg l-1) 150 A5 Moderate
Solubility - In organic solvents at 20oC (mg l-1) 1585 A5 - n-Heptane -
Miscible A5 - Acetone -
Miscible A5 - Methanol -
Miscible A5 - Xylene -
Melting Point (oC) -23 A3 -
Boiling Point (oC) Decomposes before boiling A5 -
Degradation point (oC) 355 A5 -
Flashpoint (oC) Not highly flammable A5 -
Octanol-water partition coefficient at pH 7, 20oC P 5.25 X 1003 Calculated -
Log P 3.72 A5 High
Bulk density (g ml-1)/Specific gravity 1.32 A5 -
Dissociation constant (pKa) at 25oC 1.09 A5 -
Note: Very weak base
Vapour pressure at 25oC (mPa) 0.056 A5 Non-volatile
Henry's law constant at 25oC (Pa m3 mol-1) 9.20 X 10-05 A5 Non-volatile
Henry's law constant at 20oC (dimensionless) 1.70 X 10-07 K3 Non-volatile
GUS leaching potential index 1.51 Calculated Low leachability
SCI-GROW groundwater index (µg l-1) for a 1 kg ha-1 or 1 l ha-1 application rate Value 2.95 X 10-02 Calculated -
Note -
Potential for particle bound transport index - Calculated High
Maximum UV-vis absorption L mol-1 cm-1 220 nm = 11666 A5 -
Surface tension (mN m-1) - - -

Degradation:
Property Value Source/Quality Score/Other Information Interpretation
Soil degradation (days) (aerobic) DT50 (typical) 214 A5 Persistent
DT50 (lab at 20oC) 90 A5 Moderately persistent
DT50 (field) 214 A5 Persistent
DT90 (lab at 20oC) 216.5 A5 -
DT90 (field) 1150 A3 -
Note EU dossier lab studies DT50 range 29-92 days, DT90 range 97-336 days, field studies DT50 range 17-411 days (various countries), DT90 range 192–2099 days
Aqueous photolysis DT50 (days) at pH 7 Value Stable A5 Stable
Note Not a significant degradation route
Aqueous hydrolysis DT50 (days) at 20oC and pH 7 Value 53.5 A5 Moderately persistent
Note -
Water-Sediment DT50 (days) 636 A5 Stable
Water phase only DT50 (days) 6 A5 Moderately fast

Soil adsorption and mobility:
Property Value Source/Quality Score/Other Information Interpretation
Linear Kd 33.7 A5 Slightly mobile
Koc 1086
Notes and range EU dossier Koc range 382-1789, soils=9
Freundlich Kf 447 R4 Slightly mobile
Kfoc 2252
1/n 0.81
Notes and range Literature data: Kf range 27-1277 mL/g, Kfoc range 1440-3387 mL/g, 1/n range 0.75-0.88, soils=3
pH sensitivity No

Key metabolites:
Metabolite Formation Medium Estimated Maximum Occurrence Fraction 91/414 Relevancy
1,2,4-triazole (Ref: CGA 71019) Soil   0.430   Major fraction, Relevant
3-(2-((1H-1,2,4-triazol-1-yl)methyl)-2-(2,4-dichlorophenyl)-1,3-dioxolan-4-yl)propan-1-ol (Ref: CGA 118245) Soil   0.230   Major fraction, Relevant

Other known metabolites:
Metabolite name and reference Aliases Formation Medium / Rate Estimated Maximum Occurrence Fraction Metabolising Enzymes
- triazolyl acetic acid Plant - -
2-amino-3-(1H-1,2,4-triazol-1-yl)propanoic acid
(Ref: CGA 131013)
Note: Cas no; 86362-20-1
triazole alanine Plant - -


ECOTOXICOLOGY

Property Value Source/Quality Score/Other Information Interpretation
Bio-concentration factor BCF 116 A5 Whole fish Threshold for concern
CT50 (days) 8 -
Bioaccumulation potential - Calculated Moderate
Mammals - Acute oral LD50 (mg kg-1) 958 P4 Rat Moderate
Mammals - Short term dietary NOEL (mg kg-1) 2.7 A4 Mice High
(ppm diet) 20 -
Birds - Acute LD50 (mg kg-1) > 2510 A5 Anas platyrhynchos Low
Birds - Short term dietary (LC50/LD50) > 5620 mg kg feed-1 A5 Anas platyrhynchos -
Fish - Acute 96 hour LC50 (mg l-1) 2.6 A5 Leiostomus xanthurus Moderate
Fish - Chronic 21 day NOEC (mg l-1) 0.068 A5 Oncorhynchus mykiss -
Aquatic invertebrates - Acute 48 hour EC50 (mg l-1) 10.2 A5 Daphnia magna Moderate
Aquatic invertebrates - Chronic 21 day NOEC (mg l-1) 0.31 A5 Daphnia magna -
Aquatic crustaceans - Acute 96 hour LC50 (mg l-1) 0.37 F3 Americamysis bahia Moderate
Sediment dwelling organisms - Acute 96 hour LC50 (mg l-1) - - -
Sediment dwelling organisms - Chronic 28 day NOEC, static, water (mg l-1) 8.0 A5 Chironomus riparius Moderate
Sediment dwelling organisms - Chronic 28 day NOEC, sediment (mg kg-1) 25.0 A5 Chironomus riparius Moderate
Aquatic plants - Acute 7 day EC50, biomass (mg l-1) 4.9 F3 Lemna gibba Moderate
Algae - Acute 72 hour EC50, growth (mg l-1) 0.093 A4 Navicula seminulum, 11 day Moderate
Algae - Chronic 96 hour NOEC, growth (mg l-1) 0.32 Q2 Unknown species Moderate
Honeybees - Acute 48 hour LD50 (µg bee-1) > 100 A5 Oral Moderate
Earthworms - Acute 14 day LC50 (mg kg-1) 686 A5 Moderate
Earthworms - Chronic 14 day NOEC, reproduction (mg kg-1) 0.833 P4 Moderate
Other soil macro-organisms - e.g. Collembola LR50product ha
EC50product ha
NOECproduct ha
% Effect
- - -
Other arthropod (1) LR50 g ha-1 - - -
% Effect 100 Mortality
Dose: 0.25 kg ha-1
A5 Aphidius rhopalosiphi
Harmful
Other arthropod (2) LR50 g ha-1 - - -
% Effect 100 Beneficial capacity
Dose: 0.125 kg ha-1
A5 Typhlodromus pyri
Harmful
Soil micro-organisms Nitrogen mineralisation: No significant effect
Carbon mineralisation: No significant effect
A5
Dose: 6.7 mg/kg soil, 28 days
-
Mesocosm study data NOEAEC mg l-1 - - -
NOEAEC mg l-1 - - -


HUMAN HEALTH AND PROTECTION

General:
Property Value Source/Quality Score/Other Information Interpretation
Mammals - Acute oral LD50 (mg kg-1) 958 P4 Rat Moderate
Mammals - Dermal LD50 (mg kg-1 body weight) > 4000 A5 Rat -
Mammals - Inhalation LC50 (mg l-1) 5.8 A5 Rat (nose only) -
Other Mammal toxicity endpoints - -
ADI - Acceptable Daily Intake (mg kg-1bw day-1) 0.04 A5 Rat, SF=100 -
ARfD - Acute Reference Dose (mg kg-1bw day-1) 0.3 A5 Rat, SF=100 -
AOEL - Acceptable Operator Exposure Level - Systemic (mg kg-1bw day-1) 0.1 A5 Rat, SF=100 -
Dermal penetration studies (%) 0.9-2.4 A5 concentration dependant -
Dangerous Substances Directive 76/464 - - -
Exposure Limits - - -
Exposure Routes Public No unacceptable risks to bystanders identified
Occupational No unacceptable risks to operators or other workers identified
Examples of European MRLs (mg kg-1) Value Apricots, nectarines, peaches, barley grains and oat grain: 0.2; Vegetables, other fruit and other cereal grains: 0.05
Note Current May 2007.
For the EU pesticides database click here
Drinking Water MAC (µg l-1) - - -

Health issues:
Carcinogen Mutagen Endocrine disrupter Reproduction / development effects Acetyl cholinesterase inhibitor Neurotoxicant Respiratory tract irritant Skin irritant Eye irritant

-

-

-

-

-

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

Handling issues:
Property Value Source/Quality Score/Other Information Interpretation
General Not explosive or oxidising
IMDG Transport Code is usually 9
CLP classification 2013 -
EC Risk Classification Xn - Harmful: R22
Xi - Irritant: R43
N - Dangerous for the environment: R50, R53
EC Safety Classification S2, S36/37, S46, S60, S61
WHO Classification II - Moderately hazardous
US EPA Classification (formulation) II - Warning - Moderately toxic
UN Number Usually 3082
Waste disposal & packaging Usually Packaging Group III (minor danger)


TRANSLATIONS

Language Name
English propiconazole
French propiconazol
German Propiconazol
Danish propiconazol
Italian propiconazolo
Spanish propiconazol
Greek -
Slovenian propiokonazol
Polish propikonazol
Swedish propikonazol
Hungarian propikonazol
Dutch propiconazool

Record last updated: Friday 07 June 2013
Contact: aeru@herts.ac.uk
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