isibhengezo_sekhasi

umkhiqizo

2-Bromo-5-fluorobenzotrifluoride (CAS# 40161-55-5)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C7H3BrF4
I-Molar Mass 243
Ukuminyana 1.695g/mLat 25°C(lit.)
I-Boling Point 136-143°C(lit.)
I-Flash Point 147°F
I-Vapor Presure 3.1mmHg ku-25°C
I-BRN 2643544
Isimo Sesitoreji Kuvalwe endaweni eyomile, Ngezinga lokushisa Legumbi
I-Refractive Index n20/D 1.465(lit.)

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Amakhodi Engozi R36/37/38 – Ukucasula amehlo, uhlelo lokuphefumula kanye nesikhumba.
R20/21/22 – Kuyingozi ngokuhogela umoya, ukuthintana nesikhumba futhi uma ukugwinyile.
Incazelo Yokuphepha S26 – Uma uthintana namehlo, geza ngokushesha ngamanzi amaningi futhi ufune iseluleko sezokwelapha.
S36/37/39 – Gqoka izingubo zokuzivikela ezifanele, amagilavu ​​kanye nokuvikela iso/ubuso.
S37 – Gqoka amagilavu ​​afanelekile.
S36 – Gqoka izingubo ezifanele zokuzivikela.
I-WGK Germany 3
Ikhodi ye-HS 29039990
I-Hazard Class I-IRRITANT

 

Isingeniso

I-2-Bromo-5-fluorotrifluorotoluene iyinhlanganisela yezinto eziphilayo.

 

Ine-hydrophobicity eqinile kanye ne-solubility, futhi inokuqina okuphezulu. Ingasetshenziswa njenge-reagent ekuphenduleni kwamakhemikhali futhi ivame ukusetshenziswa esikhundleni sokusabela kanye nokuhlanganisa ukusabela ku-organic synthesis.

 

Indlela yokulungiselela ye-2-bromo-5-fluorotrifluorotoluene ngokuvamile ingenziwa ngokusabela i-trifluorotoluene nge-2-bromophenylfluoride. Ukusabela kungenziwa ngaphansi kwezimo ezine-acidic noma ezine-alkali, futhi i-hydrofluoric acid noma i-hydrobromic acid ekhiqizwa ukusabela ingabuyiselwa noma ilahlwe ngokwelashwa kwe-neutralization.

Iwuketshezi oluvuthayo olunephunga elimnandi elingabangela ukucasuka nokusha lapho kuthinta isikhumba namehlo. Gqoka okokuvikela okufanele lapho usebenza futhi ugweme ukuthinta isikhumba namehlo. Gwema ukuthintana namalangabi avulekile noma imithombo yokushisa ephezulu. Ngesikhathi sokugcinwa nokusetshenziswa, idinga ukuvalwa ukuze kugwenywe ukuvuza nokuvuza okubangelwa ukuchayeka emoyeni. Uma kukhona ukuvuza, kufanele kuthathwe izinyathelo ezifanele zokuyihlanza nokuyilahla. Lapho kulahlwa imfucuza, idinga ukulahlwa ngokuhambisana nemithetho yendawo.

 


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