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forchlorfenuron (Ref: KT 30)
** SKW 20010 ** CPPU ** forchlorfenur ** 4PU-30 ** Translations | |
GENERAL INFORMATION  Description: A cytokinin growth stimulating substance used to enhance fruit set, size and increase yields Introduction: circa 1980 EC Directive 1107/2009 (repealing 91/414): | Status | Annex 1 | | Dossier rapporteur/co-rapporteur | Spain | | Date inclusion expires | 31/03/2016 |
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 | Plant growth regulator | | Substance group | Phenylurea | | Substance origin | Synthetic [/td] | | Mode of action | Absorbed by most plant parts and acts synergistically with natural auxins to promote cell division and growth | | CAS RN | 68157-60-8 | | EC number | - | | CIPAC number | 633 | | US EPA chemical code | 128819 | | Chemical formula | C12H10ClN3O | | SMILES | Clc2nccc(NC(=O)Nc1ccccc1)c2 | | International Chemical Identifier (InChI) | InChI=1/C12H10ClN3O/c13-11-8-10(6-7-14-11)16-12(17)15-9-4-2-1-3-5-9/h1-8H,(H2,14,15,16,17) | | Structure diagram/image available? | Yes | | Molecular mass (g mol-1) | 247.68 | | IUPAC Name | 1-(2-chloro-4-pyridyl)-3-phenylurea | | CAS Name | N-(2-chloro-4-pyridinyl)-N'-phenylurea | | Other status information | - | | Herbicide Resistance Classification (HRAC) | Not applicable | | Insecticide Resistance Classification (IRAC) | Not applicable | | Fungicide Resistance Classification (FRAC) | Not applicable | | Physical state | White crystalline powder | | Related substances & organisms | - |
[/table]Formulations: | Property | Value [/td] | | Example manufacturers of products using this active | - Valent U.S.A. Corp.
- Fujian Sannong Group Co. Ltd.
[/td] | | Example products using this active | [/td] | | UK LERAP status | No UK approval for use or outside scope | | Formulation and application details | Usually supplied as a soluble powder. |
ENVIRONMENTAL FATE
| Property | Value | Source/Quality Score/Other Information | Interpretation | | Solubility - In water at 20oC (mg l-1) | 39 | L3 | Low | | Solubility - In organic solvents at 20oC (mg l-1) | 119000 | L3 - Methanol | - | | 149000 | L3 - Ethanol | - | | 127000 | L3 - Acetone | - | | 2700 | L3 - Chloroform | - | | Melting Point (oC) | 167 | L3 | - | | Boiling Point (oC) | - | - | - | | Degradation point (oC) | - | - | - | | Flashpoint (oC) | - | - | - | | Octanol-water partition coefficient at pH 7, 20oC | P | 1.58 X 1003 | Calculated | - | | Log P | 3.2 | L3 | High | | Bulk density (g ml-1)/Specific gravity | 1.38 | L3 | - | | Dissociation constant (pKa) at 25oC | - | - | - | | Note: | | Vapour pressure at 25oC (mPa) | 4.60 X 10-05 | L3 | Non-volatile | | Henry's law constant at 25oC (Pa m3 mol-1) | - | - | - | | Henry's law constant at 20oC (dimensionless) | 1.20 X 10-10 | Calculated | Non-volatile [/td] | GUS leaching potential index  | 2.65 | Calculated | Transition state | | SCI-GROW groundwater index (礸 l-1) for a 1 kg ha-1 or 1 l ha-1 application rate | Value | 2.08 X 10-01 | Calculated | - | | Note | - | | Potential for particle bound transport index | - | Calculated | High | | Maximum UV-vis absorption L mol-1 cm-1 | - | - | - | | Surface tension (mN m-1) | - | - | - |
Degradation: [/td]| Property | Value | Source/Quality Score/Other Information | Interpretation | | Soil degradation (days) (aerobic) | DT50 (typical) | 578 | L3 | Very persistent | | DT50 (lab at 20oC) | - | - | - | | DT50 (field) | 1119 | F3 | Very persistent | | DT90 (lab at 20oC) | - | - | - | | DT90 (field) | - | - | - | | Note | Stable, sandy loam in dark DT50 578 days; other literature DT50 1119 mL/g | | Aqueous photolysis DT50 (days) at pH 7 | Value | Stable | F4 | Stable | | Note | Stable pH 5 to pH 9 at 20 and 25 degC, 30 days | | Aqueous hydrolysis DT50 (days) at 20oC and pH 7 | Value | Stable | F3 | Very persistent | | Note | Data for pH 5, 25 deg C, 30 days | | Water-Sediment DT50 (days) | Stable | L3 | Stable | | Water phase only DT50 (days) | Stable | L3 | Stable |
Soil adsorption and mobility: [/td]| Property | Value | Source/Quality Score/Other Information | Interpretation | | Linear [td=10%]Kd | - | US3 | Slightly mobile | | Koc | 1100 | | Notes and range | - | | Freundlich [td=10%]Kf | - | - | - | | Kfoc | - | | 1/n | - | | Notes and range | - | | pH sensitivity | - |
Key metabolites: | Metabolite | Formation Medium | Estimated Maximum Occurrence Fraction | 91/414 Relevancy | | 4-amino-2-chloropyridine | Soil | 0.600 | - |
[/table]
ECOTOXICOLOGY
| Property | Value | Source/Quality Score/Other Information | Interpretation | | Bio-concentration factor | BCF | - | A5 Low risk | - | | CT50 (days) | Not available | - | | Bioaccumulation potential | - | - | - | | Mammals - Acute oral LD50 (mg kg-1) | 4917 | A5 Rat | Low | | Mammals - Short term dietary NOEL | (mg kg-1) | 84 | A5 Rat | High | | (ppm diet) | 1000 | - | | Birds - Acute LD50 (mg kg-1) | 2250 | A5 Colinus virginianus | Low | | Birds - Short term dietary (LC50/LD50) | - | - | - | | Fish - Acute 96 hour LC50 (mg l-1) | 8.8 | L3 Cyprinidae | Moderate | | Fish - Chronic 21 day NOEC (mg l-1) | - | - | - | | Aquatic invertebrates - Acute 48 hour EC50 (mg l-1) | 8 | A5 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) | 16.35 | A4 Lemna gibba, 7 day | Low | | Algae - Acute 72 hour EC50, growth (mg l-1) | 3.3 | A5 Pseudokirchneriella subcapitata | Moderate | | Algae - Chronic 96 hour NOEC, growth (mg l-1) | - | - | - | | Honeybees - Acute 48 hour LD50 (礸 bee-1) | 25 | A5 Contact | Moderate | | Earthworms - Acute 14 day LC50 (mg kg-1) | 500 | A5 | 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 | - | - | - | | % Effect | - | - | - | | Other arthropod (2) | LR50 g ha-1 | - | - | - | | % Effect | - | - | - | | Soil micro-organisms | - | - | - [/td] | | Mesocosm study data | NOEAEC mg l-1 | - | - | - [/td] | | NOEAEC mg l-1 | - | - | - |
HUMAN HEALTH AND PROTECTION
General: | Property | Value | Source/Quality Score/Other Information | Interpretation | | Mammals - Acute oral LD50 (mg kg-1) | 4917 | A5 Rat | Low | | Mammals - Dermal LD50 (mg kg-1 body weight) | > 2000 | F4 Rat | - | | Mammals - Inhalation LC50 (mg l-1) | 3.0 | F4 Rat | - | | Other Mammal toxicity endpoints | - | | - | | ADI - Acceptable Daily Intake (mg kg-1bw day-1) | - | - | - | | ARfD - Acute Reference Dose (mg kg-1bw day-1) | 1.0 | F3 (USA) | - | | 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 | - | | Examples of European MRLs (mg kg-1) | Value | - [/td] | | Note | For the EU pesticides database click here | | Drinking Water MAC (礸 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 | [May cause protein metabolism disturbances, emphysema and weight loss], [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 | [No information available] | | EC Risk Classification | - | | EC Safety Classification | - | | WHO Classification | NL | - | Not listed | | US EPA Classification (formulation) | No consensus across products or no products available | - | - | | UN Number | - | | Waste disposal & packaging | - |
TRANSLATIONS
| Language | Name | | English | forchlorfenuron | | French | forchlorfenuron | | German | Forchlorfenuron | | Danish | forchlorfenuron | | Italian | - | | Spanish | forclorfenuron | | Greek | - | | Slovenian | forklorfenuron | | Polish | forchlorfenuron | | Swedish | - | | Hungarian | - | | Dutch | - |
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发表于 2012-9-22 22:38
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