cyprodinil (Ref: CGA 219417)
** Translations

Environmental Fate - Ecotoxicology - Human Health

GENERAL INFORMATION

Description: A broad spectrum fungicide used to control a range of pathogens including Tapesia yallundae, Botrytis spp., Alternaria spp. and Rhynchospium secalis

Introduction: 1994, first reported & marketed

EC Directive 1107/2009 (repealing 91/414):
Status Annex 1
Dossier rapporteur/co-rapporteur France
Date inclusion expires 30/04/2017

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 Anilinopyrimidine
Substance origin Synthetic
Mode of action Systemic, absorbed through foliage. Inhibits protein synthesis.
CAS RN 121552-61-2
EC number -
CIPAC number 511
US EPA chemical code 288202
Chemical formula C14H15N3
SMILES n1c(cc(nc1Nc2ccccc2)C3CC3)C
International Chemical Identifier (InChI) InChI=1/C14H15N3/c1-10-9-13(11-7-8-11)17-14(15-10)16-12-5-3-2-4-6-12/h2-6,9,11H,7-8H2,1H3,(H,15,16,17)
Structure diagram/image available? Yes
Molecular mass (g mol-1) 225.29
IUPAC Name 4-cyclopropyl-6-methyl-N-phenylpyrimidin-2-amine
CAS Name 4-cyclopropyl-6-methyl-N-phenyl-2-pyrimidinamine
Other status information -
Herbicide Resistance Classification (HRAC) Not applicable
Insecticide Resistance Classification (IRAC) Not applicable
Fungicide Resistance Classification (FRAC) 9
Physical state Beige powder
Related substances & organisms

Formulations:
Property Value
Example manufacturers of products using this active
  • DuPont
  • Syngenta
Example products using this active
  • Acanto Prima
  • Kayak
  • Switch
  • Unix
UK LERAP status LERAP Category B
Formulation and application details Often supplied as an emulsifiable concentrate or wettable granules which are mixed with water and applied as a spray.


ENVIRONMENTAL FATE

Property Value Source/Quality Score/Other Information Interpretation
Solubility - In water at 20oC (mg l-1) 13 B5 Low
Solubility - In organic solvents at 20oC (mg l-1) 500000 A5 - Acetone -
440000 A5 - Toluene -
500000 A5 - Dichloromethane -
26000 A5 - n-Hexane -
Melting Point (oC) 75.9 A5 -
Boiling Point (oC) - - -
Degradation point (oC) - - -
Flashpoint (oC) Not highly flammable A5 -
Octanol-water partition coefficient at pH 7, 20oC P 1.00 X 1004 Calculated -
Log P 4 B5 High
Bulk density (g ml-1)/Specific gravity 1.21 A5 -
Dissociation constant (pKa) at 25oC 4.44 B5 -
Note: Weak base
Vapour pressure at 25oC (mPa) 5.10 X 10-01 B5 Non-volatile
Henry's law constant at 25oC (Pa m3 mol-1) 6.60 X 10-03 A5 Non-volatile
Henry's law constant at 20oC (dimensionless) 2.46 X 10-06 Q2 Moderately volatile
GUS leaching potential index 1.01 Calculated Low leachability
SCI-GROW groundwater index (µg l-1) for a 1 kg ha-1 or 1 l ha-1 application rate Value 1.99 X 10-02 Calculated -
Note -
Potential for particle bound transport index - Calculated Medium
Maximum UV-vis absorption L mol-1 cm-1 Neutral solution: 270.8nm = 29200; [Acidic solution: 271.6nm = 23400, 316.8nm = 5700; [Basic solution: 270.8nm = 28400 A5 -
Surface tension (mN m-1) 57.7 - 62.6 A5 at 20oC -

Degradation:
Property Value Source/Quality Score/Other Information Interpretation
Soil degradation (days) (aerobic) DT50 (typical) 37 A5 Moderately persistent
DT50 (lab at 20oC) 53 A5 Moderately persistent
DT50 (field) 45 A5 Moderately persistent
DT90 (lab at 20oC) 120 A5 -
DT90 (field) - - -
Note EU dossier lab studies DT50 range 31-41 days, DT90 range 103-135 days, field studies DT50 range 11-98 days
Aqueous photolysis DT50 (days) at pH 7 Value 13.5 A5 Moderately fast
Note -
Aqueous hydrolysis DT50 (days) at 20oC and pH 7 Value Stable A5 Very persistent
Note Stable pH 4 to pH 9
Water-Sediment DT50 (days) 142 A5 Slow
Water phase only DT50 (days) 12.5 A5 Moderately fast

Soil adsorption and mobility:
Property Value Source/Quality Score/Other Information Interpretation
Linear Kd - - -
Koc -
Notes and range -
Freundlich Kf 21.27 A5 Slightly mobile
Kfoc 2277
1/n 0.888
Notes and range EU dossier kf range 12.3-355.55, Kfoc range 1618-4393 mL/g, 1/n range 0.839-0.931, Soils=5
pH sensitivity No

Key metabolites:
Metabolite Formation Medium Estimated Maximum Occurrence Fraction 91/414 Relevancy
4-cyclopropyl-6-methyl-pyrimidine-2-ylamine (Ref: CGA 249287) Soil   0.098   Minor fraction, Relevant
3-(4-cyclopropyl-6-methylpyrimidin-2-ylamino)phenol (Ref: CGA 275535) Soil   0.230   Major fraction, Relevant
6-cyclopropyl-2-phenylamino-pyrimidin-4-yl)-methanol (Ref: CGA 232449) Plant     Non relevant

Other known metabolites:
Metabolite name and reference Aliases Formation Medium / Rate Estimated Maximum Occurrence Fraction Metabolising Enzymes
(6-cyclopropyl-2-phenylamino-pyrimidin-4-yl)-methanol
(Ref: CGA 232449)
- Rat; Plant - -
4-(4-cyclopropyl-6-methyl-pyrimidin-2-yl-amino)-phenol
(Ref: CGA 304075)
- Plant; Animal; Soil - -
4-cyclopropyl-6-methyl-2-phenylamino-pyrimidin-5-ol
(Ref: CGA 304076)
- Soil - -
4-cyclopropyl-6-methyl-pyrimidin-2-ol
(Ref: CGA 321915)
Note: LD50 rat > 2000 mg kg-1 bw
- Plant; Animal; Soil - -
(2-amino-6-cyclopropyl-pyrimidin-4-yl)-methanol
(Ref: NOA 422054)
Note: LD50 rat > 2000 mg kg-1 bw
- Plant; Animal - -


ECOTOXICOLOGY

Property Value Source/Quality Score/Other Information Interpretation
Bio-concentration factor BCF 393 A5 Whole fish Threshold for concern
CT50 (days) 0.5 -
Bioaccumulation potential - Calculated Moderate
Mammals - Acute oral LD50 (mg kg-1) > 2000 B5 Rat Moderate
Mammals - Short term dietary NOEL (mg kg-1) 3 L2 Rat, 2 year High
(ppm diet) - -
Birds - Acute LD50 (mg kg-1) > 500 A5 Anas platyrhynchos Moderate
Birds - Short term dietary (LC50/LD50) > 1534 mg kg bw-1 day-1 A5 Anas platyrhynchos -
Fish - Acute 96 hour LC50 (mg l-1) 2.41 A5 Oncorhynchus mykiss Moderate
Fish - Chronic 21 day NOEC (mg l-1) 0.083 A5 Oncorhynchus mykiss -
Aquatic invertebrates - Acute 48 hour EC50 (mg l-1) 0.22 A5 Daphnia magna Moderate
Aquatic invertebrates - Chronic 21 day NOEC (mg l-1) 0.0088 A5 Daphnia magna -
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) 0.24 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) 7.71 A5 Lemna gibba Moderate
Algae - Acute 72 hour EC50, growth (mg l-1) 2.6 A5 Pseudokirchneriella subcapitata Moderate
Algae - Chronic 96 hour NOEC, growth (mg l-1) - - -
Honeybees - Acute 48 hour LD50 (µg bee-1) 113 A4 Oral Low
Earthworms - Acute 14 day LC50 (mg kg-1) 192 B5 Moderate
Earthworms - Chronic 14 day NOEC, reproduction (mg kg-1) - - -
Other soil macro-organisms - e.g. Collembola LR50product ha
EC50product ha
NOECproduct ha
% Effect
- - -
Other arthropod (1) LR50 g ha-1 14700 48 hour
A5 Aphidius rhopalosiphi, adult
Harmless at 1 kg ha-1
% Effect 46 Mortality
Dose: 0.75 kg ha-1
A5 Aphidius rhopalosiphi, adult
Moderately harmful
Other arthropod (2) LR50 g ha-1 2250 7 day
A5 Typhlodromus pyri, protonymph
Harmless at 1 kg ha-1
% Effect 10 Mortality
Dose: 0.75 kg ha-1
A5 Typhlodromus pyri, protonymph
Harmless
Soil micro-organisms Nitrogen mineralisation: No significant effect
Carbon mineralisation: No significant effect
A5
Dose: 26.7 mg/kg soil
-
Mesocosm study data NOEAEC mg l-1 0.013 A5 Aquatic community -
NOEAEC mg l-1 - - -


HUMAN HEALTH AND PROTECTION

General:
Property Value Source/Quality Score/Other Information Interpretation
Mammals - Acute oral LD50 (mg kg-1) > 2000 B5 Rat Moderate
Mammals - Dermal LD50 (mg kg-1 body weight) > 2000 A5 Rat -
Mammals - Inhalation LC50 (mg l-1) > 1.2 A5 Rat -
Other Mammal toxicity endpoints - -
ADI - Acceptable Daily Intake (mg kg-1bw day-1) 0.03 A5 Rat, SF=100 -
ARfD - Acute Reference Dose (mg kg-1bw day-1) None allocated A5 -
AOEL - Acceptable Operator Exposure Level - Systemic (mg kg-1bw day-1) 0.03 A5 Rat, SF=100 -
Dermal penetration studies (%) 0.5-6.0 A5 concentration dependant -
Dangerous Substances Directive 76/464 - - -
Exposure Limits - - -
Exposure Routes Public [No unacceptable risks to bystanders identified]
Occupational -
Examples of European MRLs (mg kg-1) Value Apples: 0.05; Wheat: 0.02
Note [A5 EU dossier proposals]
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 [Skin sensitiser]

: 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], [IMDG Transport Code is usually 9]
EC Risk Classification [Xi - Irritant: R43], [N - Dangerous for the environment: R50, R53]
EC Safety Classification S2, S24, S37, S46, S60, S61
WHO Classification III - company classification - Slightly hazardous
US EPA Classification (formulation) III, IV - Caution - Slightly toxic, Caution - Not acutely toxic
UN Number Variable with product, usually 3077 or 3082
Waste disposal & packaging [Usually Packaging Group III (minor danger)]


TRANSLATIONS

Language Name
English cyprodinil
French cyprodinil
German Cyprodinil
Danish cyprodinil
Italian cyprodinil
Spanish ciprodinil
Greek -
Slovenian ciprodinil
Polish cyprodynil
Swedish cyprodinil
Hungarian cyprodinil
Dutch cyprodinil

Record last updated: Wednesday 13 June 2012
Contact: aeru@herts.ac.uk