2-Fluoro-3-Chloro-5-Bromopyridine (CAS # 38185-56-7)
| Hazard Cov Cim | T – Toxic |
| Risk Codes | 25 – Toxic yog nqos |
| Kev nyab xeeb piav qhia | 45 - Thaum muaj xwm txheej los sis yog tias koj tsis xis nyob, nrhiav kev kho mob tam sim ntawd (saib daim ntawv lo thaum twg los tau.) |
| UN IDs | UN 2811 6.1 / PGIII |
Taw qhia
2-Fluoro-3-chloro-5-bromopyridine yog ib qho organic compound.
Lub compound yog ib tug khoom nrog ib tug dawb mus rau lub teeb daj crystalline tsos. Nws yog insoluble nyob rau hauv dej ntawm chav tsev kub, tab sis yuav soluble nyob rau hauv ib co organic solvents xws li methanol thiab methylene chloride.
3-Bromo-5-chloro-6-fluoropyridine muaj qee yam kev siv nyiaj hauv cov organic synthesis. Nws yog feem ntau siv los ua ib qho nruab nrab rau ntau yam kev cuam tshuam hauv cov organic synthesis, xws li kev sib txuas lus thiab cov tshuaj tsw qab hydrocarbon functionalization. Cov tshuaj tiv thaiv no tuaj yeem ua lub luag haujlwm tseem ceeb hauv kev tsim cov txheej txheem organic molecular.
Cov txheej txheem ntawm kev npaj 3-bromo-5-chloro-6-fluoropyridine tuaj yeem ua tiav los ntawm ntau txoj hauv kev. Ib txoj hauv kev yog ua kom muaj cov tshuaj tiv thaiv halogenation los ntawm kev hloov pauv ntawm pyridine, thawj zaug qhia fluorine ntawm txoj hauj lwm 3, ces chlorine ntawm txoj hauj lwm 5, thiab thaum kawg bromine ntawm txoj hauj lwm 6.
Cov ntaub ntawv kev nyab xeeb: 3-Bromo-5-chloro-6-fluoropyridine yog cov tshuaj thiab yuav tsum tau ua raws li cov txheej txheem kev nyab xeeb uas cuam tshuam. Nws tuaj yeem ua rau tawv nqaij, qhov muag, thiab ua pa, thiab cov khoom siv tiv thaiv tsim nyog xws li hnab looj tes, tsom iav, thiab khaub ncaws tiv thaiv yuav tsum hnav thaum ua haujlwm.
Kev khaws cia thiab tuav cov tshuaj yuav tsum tau ua raws li cov kev cai cuam tshuam, thiab muab faib thiab sau npe raws li lub cev ntawm cov tshuaj. Hauv kev siv, xyuas kom muaj qhov cua kom zoo thiab tsis txhob nqus pa los yog vapors.
