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Introduction of Diflufenican
Apr 09, 2018

Metafluamide is a chemical that belongs to the carotenoid biosynthesis inhibitor and is a broad-spectrum, selective herbicide for wheat fields.

[Chinese name] fluflumiac; fluopyram; 2,4-dichloro-2-(α,α,α-trichlorofluoro-m-phenoxy)-3-picolinic aniline


[English name] diflufenican; Couger; 2,4-difluoro-2-(α,α,α-trifluorometolyloxy)nicotinanilide; N-(2,4-difluorophenyl)-2-(3-trifluoromethyl)phenoxy)-3-pyridinecarboxamide


【CAS registration number】


83164-33-4


【Structure or Molecular Formula】


Flufenazone structure

Flufenazone structure

[relative molecular weight or atomic weight] 394.3


【Melting point (°C)】161~162


[toxic LD50(mg/kg)]


1 The rat's acute oral is greater than 2000, the mouse is greater than 1000, and the rat's acute percutaneous is greater than 2,000. In the 14-day subacute test, there was no adverse effect on the rats at a high dose of 1600 mg/kg feed and the test showed no mutagenicity.


2. No irritating effect on rabbit skin and eyes. No dose of 1600 mg/kg was administered to the rats in the 2-week feeding experiment. There was no teratogenic or mutagenic effect in the animal experiments.


【Properties】


Pure product is colorless crystal


[Dissolution]


Solubility: Water 0.05mg/L, dimethylformamide 100g/kg, acetophenone, cyclohexanone 50g/kg, cyclohexane, 2-ethoxyethanol, kerosene <10g/kg, 3,, 5, 5-trimethylcyclohex-2-enone 35 g/kg, xylene 20 g/kg.


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