Awọn iroyin ile-iṣẹ

Ifihan ti 2-Bromofluorobenzene

2022-06-22
2-Bromofluorobenzene jẹ iru ohun elo Organic, agbekalẹ kemikali jẹ C6H4BrF, nọmba iforukọsilẹ CAS jẹ 1072-85-1, ti a lo ni akọkọ ni igbaradi ati iṣelọpọ ti oogun, awọn ipakokoropaeku, awọn agbedemeji ohun elo kirisita omi, iṣelọpọ ti o-fluorobromobenzene jẹ sihin laisi awọ. omi ti a ṣe nipasẹ imọ-ẹrọ UIVCHEM.


Igo ifaseyin ni titan sinu fluoro aniline adugbo ati idapọ hydrobromic acid, itusilẹ ooru lọpọlọpọ ti ojoriro eleyi ti o lagbara, iwọn otutu ti o ga julọ ti 60 â, iṣẹju 5, aruwo iwẹ yinyin - 10 â ni isalẹ, ṣafikun nitrite sodium nitrite ojutu silė ati ilana itusilẹ ooru, omi ohun elo di mimọ di asọye osan, rọ silẹ ni iwọn iṣẹju 40, yọ ooru kuro fun iṣẹju mẹwa 10 lẹhin ti o darapọ mọ carbamide, tutu, Fi bromide cuprous, hydrobromic acid, omi ati iwẹ epo-kemikali sinu igo ifaseyin pẹlu distillation. ẹrọ, alapapo to 120 ~ 130â, omi nya, awọn ti abẹnu otutu jẹ nipa 105â nigbati omi nya nya si jade, bẹrẹ lati ju eru nitrogen iyọ, ni akoko yi nibẹ ni o wa kan ti o tobi nọmba ti nyoju, šakoso awọn ju isare. lati bojuto awọn distillation ipinle, rii daju wipe o-fluorobromobenzene ti ipilẹṣẹ ti wa ni kiakia ti gbe jade nipa omi nya. Lẹhin bii iṣẹju 50 ti sisọ, nya fun iṣẹju marun 5 miiran lati da distillation duro. Ya awọn epo Layer, wẹ pẹlu po lopolopo omi iyọ, àlẹmọ awọn epo Layer lati wiwọn omi 0.04%, gba 2-Bromofluorobenzene.



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