Litaba tsa indasteri

Kenyelletso ea 2-Bromofluorobenzene

2022-06-22
2-Bromofluorobenzene ke mofuta oa lintho tse phelang, foromo ea lik'hemik'hale ke C6H4BrF, nomoro ea ngoliso ea CAS ke 1072-85-1, e sebelisoang haholo ho lokiseng le ho kopanya meriana, chefo e bolaeang likokoanyana, metsoako ea kristale ea metsi, motsoako oa o-fluorobromobenzene ha o na 'mala o hlakileng. mokelikeli o sebetsitsoeng ke theknoloji ea UIVCHEM.


Botlolo ea Reaction e fetoha motsoako oa boahelani oa fluoro aniline le hydrobromic acid, ho lokolla mocheso palo e kholo ea pula e nyane e pherese e tiileng, mocheso o phahameng ka ho fetisisa oa 60 â, metsotso e 5, tsosa bate ea letsoai la leqhoa - 10 â ka tlase, eketsa sodium nitrite. marotholi a tharollo le ts'ebetso ea ho lokolla mocheso, mokelikeli oa lintho tse bonahalang butle-butle o fetoha tlhaloso ea lamunu, o theoha metsotso e ka bang 40, o theohe mocheso ka metsotso e 10 ka mor'a ho kopanya carbamide, serame, Beha cuprous bromide, hydrobromic acid, metsi le Chemicalbook bate ea oli ka har'a botlolo ea karabelo e nang le distillation. sesebelisoa, ho futhumatsa ho fihlela ho 120 ~ 130â, mouoane oa metsi, mocheso o ka hare o ka bang 105â ha metsi a mouoane a tsoa, ​​​​a qala ho theola letsoai le lengata la naetrojene, ka nako ena ho na le palo e kholo ea li-bubble, ho laola ho potlakisa ha lerotholi. ho boloka boemo ba distillation, etsa bonnete ba hore o-fluorobromobenzene e hlahisoang e etsoa ka potlako ke mouoane oa metsi. Ka mor'a metsotso e ka bang 50 ea ho rotha, mouoane metsotso e meng e 5 ho emisa distillation. Arola lera la oli, hlatsoa ka metsi a letsoai a tletseng letsoai, hloekisa lera la oli ho lekanya metsi 0.04%, fumana 2-Bromofluorobenzene.



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