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AOCHUANG CHEMICAL

Zolazole

Chinese name: azole amide
English name: TOLFENPYRAD
CAS number: 129558-76-5
molecular formula: C21H22ClN3O2
molecular weight: 383.8713

1. Properties: The appearance of pure product is white crystal.
2. Melting point (°C): 87.7 -88.2
3. Decomposition temperature (°C): 252
4. Vapor pressure (25°C): <5.6×10-7pa
5. Solubility (25°C): O.087mg/L in water, In organic solvent (g / L): nectane 7.41. 59.6 in methanol. 339 in ethyl acetate, 366 in toluene, 368 in acetone, >500 in dichloromethane; the half-life DT50 of pH 4-9 (25 ° C) is more than 1 year: photolysis half-life in water (25 ° C, 765 W / m ² , 300-800nm): DT50 35.2h in distilled water and DT50 35.0h in natural water.

Uses: Zorpilin is a new pyrazole heterocyclic insecticide and acaricide. Its mechanism of action is to block the electron transport system complex I in the mitochondria metabolic system, thereby hindering electron communication and preventing insects from providing and storing energy. This is called mitochondrial electron transport complex inhibitor (METI). It has a wide spectrum of insecticides and has a contact effect. It has special effects on the Lepidoptera larvae P. xylostella and Thysanoptera pests. It has higher activity against Plutella xylostella (2nd instar) and T. chinensis (1st instar) by indoor activity assay. According to the field efficacy test, the results showed that oxazolamide 15% emulsifiable concentrate had good control effect on the cruciferous vegetable Plutella xylostella and eggplant thrips. Controlling the dose of Plutella xylostella: the active ingredient is 67.5~112.5g ai/hm²(converted to 15% emulsifiable concentrate is 450-750g/hm² or 30-50g/667m²), and the dosage of eggplant thrips is controlled: the effective ingredient is 112.5 -180g ai/hm2 (to a 15% emulsifiable concentrate of 750-1 200 g/hm² or 50-80 g/667 m²). It is applied during the incubation period of the eggs from the incubation period to the younger nymphs; the method of use is spray. The drug has good quick-acting effect and has a long-lasting effect of up to 10 days. According to the severity of the pest, the interval between each application is between 7 and 15 days. Because Plutella xylostella is susceptible to drug resistance, it should be used in rotation with other insecticides. Reasonable use of recommendations: Chinese cabbage 300ga.i. / hm2, 2 times, safe interval of 21d; eggplant 300ga.i. / hm2. Apply 2 times, the safety interval is 3d. It is recommended to use a dose range that is safe for crops and no phytotoxicity has occurred.

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