Cov khoom siv tshuaj lom neeg:

2,6-difluorobenzamide yog ib qho dawb powdery siv lead ua, mp143 ~ 145 ℃, insoluble hauv dej

Siv:

Cov khoom no yog siv ua ib qho nruab nrab rau kev tsim cov tshuaj tua kab fluorobenzoyl urea. Nws tuaj yeem siv los tsim ntau yam tshuaj tua kab thiab acaricides xws li hexaflumuron, chlorfenapyr, thiab diflubenzuron. Nws kuj tseem siv rau hauv tshuaj thiab cov ntaub ntawv siv lead ua kua. Cov khoom no nyob rau hauv lub thawv ntawv nrog lub hnab yas, nrog qhov hnyav ntawm 25kg ib lub thawv.

Txoj kev tsim khoom:

Nws tau txais los ntawm hydrolysis ntawm 2,6-difluorobenzonitrile. Cov tshuaj tiv thaiv yog nqa tawm hauv 90% sulfuric acid ntawm qhov kub hydrolysis ntawm 70 ° C.

Cov ntaub ntawv tiv tauj

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