Akụkọ ụlọ ọrụ

Okwu mmalite nke 2-Bromofluorobenzene

2022-06-22
2-Bromofluorobenzene bụ ụdị ihe dị ndụ, usoro kemịkalụ bụ C6H4BrF, nọmba ndebanye aha CAS bụ 1072-85-1, nke a na-ejikarị na nkwadebe na njikọ nke ọgwụ, pesticides, mmiri kristal ihe etiti, njikọ nke o-fluorobromobenzene bụ uzo enweghị agba. mmiri mmiri na-edozi site na teknụzụ UIVCHEM.


Kalama mmeghachi omume na-atụgharị n'ime fluoro aniline na hydrobromic acid na-agwakọta, okpomọkụ na-ahapụ ọnụ ọgụgụ dị ukwuu nke obere mmiri ozuzo siri ike na-acha odo odo, okpomọkụ kachasị elu nke 60 â, 5 nkeji, kpalie ice salt bath - 10 â n'okpuru, tinye sodium nitrite. ngwọta na-adaba na usoro ntọhapụ okpomọkụ, mmiri mmiri ihe onwunwe jiri nwayọọ nwayọọ ghọọ nkọwa oroma, gbanye ihe dị ka nkeji 40, wepụ okpomọkụ maka nkeji 10 mgbe ị jikọtara carbamide, oyi, tinye cuprous bromide, hydrobromic acid, mmiri na Chemicalbook mmanụ bath n'ime karama mmeghachi omume na distillation. ngwaọrụ, kpo oku ruo 120 ~ 130â, mmiri uzuoku, esịtidem okpomọkụ bụ banyere 105â mgbe mmiri uzuoku uzuoku si, malitere idebe arọ nitrogen nnu, n'oge a e nwere nnukwu ọnụ ọgụgụ nke egosipụta, na-achịkwa dobe osooso. iji nọgide na-enwe ọnọdụ distillation, hụ na o-fluorobromobenzene emepụtara na-eme ngwa ngwa site na uzuoku mmiri. Mgbe ihe dị ka nkeji 50 nke ntapu gasịrị, kukuo mmiri maka nkeji 5 ọzọ iji kwụsị distillation. Kewapụ akwa mmanụ, jiri mmiri nnu juputara na-asacha, kpochaa akwa mmanụ iji tụọ mmiri 0.04%, nweta 2-Bromofluorobenzene.