-
Name
FENPICLONIL
- EINECS
- CAS No. 74738-17-3
- Article Data8
- CAS DataBase
- Density 1.46g/cm3
- Solubility 4.8 mg l-1 in water at 25 °C
- Melting Point 152.9℃
- Formula C11H6 Cl2 N2
- Boiling Point 437.5oC at 760 mmHg
- Molecular Weight 237.088
- Flash Point 218.4oC
- Transport Information
- Appearance
- Safety Moderately toxic by skin contact. Low toxicity by ingestion and inhalation route. When heated to decomposition it emits toxic vapors of NOx and Cl−.
- Risk Codes 20
-
Molecular Structure
-
Hazard Symbols
- Synonyms 3-(2,3-Dichlorophenyl)-4-cyanopyrrole;4-Cyano-3-(2,3-dichlorophenyl)pyrrole; Beret; CGA 142705; Fenpiclonil
- PSA 39.58000
- LogP 3.86018
Fenpiclonil Chemical Properties
IUPAC Name: 4-(2,3-Dichlorophenyl)-1H-pyrrole-3-carbonitrile
Synonyms of Fenpiclonil (CAS NO.74738-17-3) : 3-(2,3-Dichlorophenyl)-4-cyanopyrrole ; 4-Cyano-3-(2,3-dichlorophenyl)pyrrole ; 1H-Pyrrole-3-carbonitrile, 4-(2,3-dichlorophenyl)-
Product Categories: Pyroles;Alpha sort;E-GAlphabetic;F;FA - FLPesticides;Fungicides;Pesticides&Metabolites
CAS NO:74738-17-3
Molecular Formula:C11H6Cl2N2
Molecular Weight :237.0847
Molecular Structure :
Index of Refraction: 1.656
Surface Tension: 65.2 dyne/cm
Density: 1.46 g/cm3
Flash Point: 218.4 °C
Enthalpy of Vaporization: 69.42 kJ/mol
Boiling Point: 437.5 °C at 760 mmHg
Appearance:Pure product is white crystal.
Fenpiclonil Uses
Fenpiclonil (CAS NO.74738-17-3) is used as Pyrrolecarbonitrile type protective fungicides. It is used for seed treatment with cereals species for pathogen transmission .It also has a good control effect on non-cereal crops of seed-borne and soil-borne pathogens .
Fenpiclonil Production
Raw materials: Trifluoroacetic acid-->Potassium Acetate-->Pyrrole-->(FORMYLMETHYLENE)TRIPHENYLPHOSPHORANE-->2,3-Dichlorobenzaldehyde-->Methoxyethene
2,3 - 2-Chlorobenzaldehyde and 2 Ether triphenyl phosphate for reaction of (Z) and (E) -2,3 - Dichloro-phenyl vinyl ether. Then acylation with Trifluoroacetic acid , acylation product cyclization with Amino Potassium acetate , obtaining N-acyl-fluoro -4 - (2,3 - dichloro-phenyl) pyrrole -3 - trifluoromethyl, cyclization products with lithium aluminum hydride to remove acyl,producing 4 - (2,3 - Dichloro-phenyl) pyrrole -3 - trifluoromethyl. Finally, With the role of Ammonia ,getting Fenpiclonil (CAS NO.74738-17-3) .
Fenpiclonil Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD50 | oral | > 5gm/kg (5000mg/kg) | Pesticide Manual. Vol. 9, Pg. 376, 1991. | |
| quail | LD50 | oral | > 2510mg/kg (2510mg/kg) | Pesticide Manual. Vol. 9, Pg. 376, 1991. | |
| rabbit | LD50 | oral | > 5gm/kg (5000mg/kg) | Pesticide Manual. Vol. 9, Pg. 376, 1991. | |
| rat | LC50 | inhalation | 1500mg/m3/4H (1500mg/m3) | Pesticide Manual. Vol. 9, Pg. 376, 1991. | |
| rat | LD50 | oral | > 5gm/kg (5000mg/kg) | Pesticide Manual. Vol. 9, Pg. 376, 1991. | |
| rat | LD50 | skin | > 2gm/kg (2000mg/kg) | Pesticide Manual. Vol. 9, Pg. 376, 1991 |
Fenpiclonil Safety Profile
Moderately toxic by skin contact. Low toxicity by ingestion and inhalation route. When Fenpiclonil (CAS NO.74738-17-3) is heated to decomposition ,it emits toxic vapors of NOx and Cl−.
Hazard Codes 
Xn
Risk Statements :20
R20: Fenpiclonil (CAS NO.74738-17-3) is harmful by inhalation.
RIDADR: 3077
RTECS :UX9347500
HazardClass :9
PackingGroup: III
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