isibhengezo_sekhasi

umkhiqizo

I-5-Bromo-2-fluorobenzoic acid (CAS# 146328-85-0)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C7H4BrFO2
I-Molar Mass 219.01
Ukuminyana 1.789±0.06 g/cm3(Kubikezelwe)
I-Melting Point 141-145 °C (okhanyisiwe)
I-Boling Point 296.5±25.0 °C(Kubikezelwe)
I-Flash Point 133.1°C
Ukuncibilika kwamanzi Incibilika kancane emanzini.
I-Vapor Presure 0.000644mmHg ku-25°C
Ukubukeka Okuqinile okumhlophe
Umbala Okumhlophe kuya kokuphuzi ngokukhanyayo ukuya kokuwolintshi okhanyayo
pKa 2.88±0.10(Okubikezelwe)
Isimo Sesitoreji Kuvalwe endaweni eyomile, Ngezinga lokushisa Legumbi
I-MDL I-MFCD00143423

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

I-2-Fluoro-5-bromobenzoic acid iyinhlanganisela yezinto eziphilayo. Okulandelayo yisingeniso sezakhiwo zayo, ukusetshenziswa kwayo, izindlela zokukhiqiza, nolwazi lokuphepha:

imvelo:
I-2-Fluoro-5-bromobenzoic acid iyinto eqinile ebukeka njengekristalu emhlophe. Ayincibiliki emanzini ekamelweni lokushisa, kodwa iyancibilika kwezinye izincibilikisi eziphilayo njenge-ethanol ne-dimethylformamide. Ine-asidi eqinile futhi ingasabela nge-alkali ukwenza usawoti ohambisanayo.

Inhloso:
I-2-Fluoro-5-bromobenzoic acid iyindawo evame ukusetshenziswa emaphakathi ku-organic synthesis.

Indlela yokukhiqiza:
Indlela yokulungiselela i-2-fluoro-5-bromobenzoic acid ilula. Indlela evamile ukuyithola nge-fluorination ye-bromobenzoic acid. Ikakhulukazi, i-bromobenzoic acid ingasabelwa ngama-reagents e-fluorinating afana ne-ammonium fluoride noma i-zinc fluoride ukuze kukhiqizwe i-2-fluoro-5-bromobenzoic acid.

Ulwazi lokuphepha: Izinto zokuzivikela ezifanele kufanele zigqokwe ngesikhathi sokuhlinzwa ukuze kugwenywe ukuthintana nesikhumba, amehlo, noma uhlelo lokuphefumula. Kufanele isetshenziswe endaweni engenawo umoya futhi igweme ukuhogela uthuli noma igesi yayo. Uma udliwe ngephutha noma uma kwenzeka ukungakhululeki, funa usizo lwezokwelapha ngokushesha.


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