Diniconazole
Diniconazole
CAS: 83657-24-3;76714-88-0;101179-53-7
Molecular Formula: C15H17Cl2N3O
Diniconazole - Names and Identifiers
Diniconazole - Physico-chemical Properties
| Molecular Formula | C15H17Cl2N3O |
| Molar Mass | 326.22 |
| Density | 1.32 |
| Melting Point | 134~156℃ |
| Boling Point | 501.1±60.0 °C(Predicted) |
| Flash Point | 256.8°C |
| Water Solubility | 4 mg l-1 (25 °C) |
| Vapor Presure | 2.93 x l0-3 Pa (20 °C) |
| Appearance | White solid |
| pKa | 12.89±0.20(Predicted) |
| Storage Condition | Inert atmosphere,Room Temperature |
| Refractive Index | 1.592 |
| MDL | MFCD01678675 |
| Physical and Chemical Properties | The original drug was colorless crystalline solid. |
| Use | A broad-spectrum fungicide, sprayed on grapes, grains and fruits can control powdery mildew and scab |
Diniconazole - Risk and Safety
| Hazard Symbols | T - Toxic |
| Toxicity | LD50 in male, female rats (mg/kg): 639, 474 orally; >5000, >5000 dermally (Takano) |
Diniconazole - Upstream Downstream Industry
Diniconazole - Reference Information
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| toxicity | Acute Oral LD50953mg/kg in male rats and 570mg/kg in female; rat acute percutaneous LD50>2000mg/kg; Rat acute inhalation LC50>2770mg/m3. Mild eye irritation. The sub-chronic toxicity test in rats had no effect concentration of 100mg/kg. Ames test was negative. Carp lc504.0 mg/L (96H), wild duck LD50>2000mg/kg, quail ld501490 mg/kg. |
| Application | is a broad-spectrum fungicide, sprayed on grapes, grains and fruits can control powdery mildew and scab azole fungicides, sterol demethylation inhibitors. Both protection, treatment, eradication, and broad-spectrum, absorption, top conduction antifungal activity. It has a good effect on ascomycetes, Basidiomycetes and the diseases such as rust, powdery mildew, scab and tail spore disease. 100kg of seeds with 20~40g active ingredient dressing, can control cereal crop smut, head smut; With 15~20g active ingredient dressing, can control powdery mildew, stripe rust, stem rust, moire disease, leaf blight; Foliar spray with 0.225 ~ 0.6g active ingredient/100, can control cereal crops powdery mildew, stripe rust, leaf rust. In addition, can also be used for the prevention and control of grape powdery mildew, Apple Black, rust and powdery mildew, peanut early and late leaf spot, can also prevent white stem rot and rust. diniconazole is an effective and broad-spectrum systemic fungicide. It has an excellent therapeutic and eradication effect on plant diseases caused by ascomycetes, Basidiomycetes and semidiophores in cereals, fruit trees, vegetables and important economic crops. |
| production method | put the quantitative triazole, sodium hydroxide and toluene in the reactor, raise the temperature, reflux and remove water, when the temperature reached 110 ° C., down to 50 ° C., add a quantitative amount of the chlorine frequency of the ketone, at 70~75 deg C reaction 5H, cooling filtration, partially dissolved in the solution. Oxazolone can be purified, that is, first add concentrated hydrochloric acid to generate oxazolone hydrochloride, and then dilute alkali solution to pH 6~7. Reflux the oxazolone solution, 2, 4-dichlorobenzaldehyde and catalyst at elevated temperature to remove water, add quantitative dilute acid and stir at 50 ℃ for 30min, let stand to separate layers, and dissolve the organic phase under reduced pressure to obtain the mixed ketene, additional quantitative chlorobenzene to be used. Then the mixed Ketene is isomerized, sulfuric acid and bromine are added, and the reaction is carried out at 80~85 ℃ for 6H. Water and solvent are added to the filter cake adding kettle, and the mixture is stirred at 50 ℃ for hydrolysis, and the upper organic phase is desolvated, the mixture was diluted with methanol to obtain a methanol solution of E-enol. Finally, the E-ketene methanol solution, at 5~10 ℃, add potassium borohydride, add the reaction at 25 ℃ for 5h, the reduction is finished, after removing the solvent, add dilute acid for hydrolysis, acidification, the product diniconazole was obtained by cooling, spin drying and drying. |
| category | pesticide |
| toxicity grade | high toxicity |
| Acute toxicity | oral-rat LD50: 474 mg/kg |
| flammability hazard characteristics | toxic nitrogen oxides and chloride gases from combustion |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; It is stored and transported separately from food raw materials |
| extinguishing agent | dry powder, foam, sand |
Last Update：2024-04-09 02:00:12
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Raw Materials for Diniconazole