I-3-Chloro-4-fluorobenzyl bromide (CAS# 192702-01-5)
Ubungozi Nokuphepha
| Amakhodi Engozi | R34 – Ibangela ukusha R36/37/38 – Ukucasula amehlo, uhlelo lokuphefumula kanye nesikhumba. I-R22 – Iyingozi uma igwinywe |
| 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. S45 – Uma kwenzeka ingozi noma uzizwa ungaphilile, funa iseluleko sezokwelapha ngokushesha (bonisa ilebula noma nini lapho kunokwenzeka.) |
| Ama-ID e-UN | 3265 |
| Ikhodi ye-HS | 29039990 |
| Inothi Lengozi | I-Corrosive/Lachrymatory |
| I-Hazard Class | 8 |
| Iqembu Lokupakisha | III |
I-3-Chloro-4-fluorobenzyl bromide (CAS# 192702-01-5) Isingeniso
I-3-Chloro-4-fluorobenzyl bromide iqinile enephunga elifana nele-bromobenzene. Inephuzu elincibilikayo elingama-38-39 ° C. Futhi indawo yokubilisa engaba ngu-210-212 ° C. Emazingeni okushisa asekamelweni, cishe ayincibiliki emanzini, kodwa iyancibilika kuma-solvents amaningi ezinto eziphilayo.
Sebenzisa:
I-3-Chloro-4-fluorobenzyl bromide inohlu olubanzi lwezinhlelo zokusebenza ku-organic synthesis. Iyingxenye ebalulekile yokulungiswa kwamanye ama-organic compounds, njengezidakamizwa, odayi kanye nezibulala-zinambuzane. Ibuye isetshenziswe ekulungiseleleni ama-flame retardants, izinto ezithatha izithombe kanye nama-resin modifiers.
Indlela:
I-3-Chloro-4-fluorobenzyl bromide ivamise ukutholwa ngokuphendula i-bromobenzene nge-tert-butyl magnesium bromide. Okokuqala, i-tert-butylmagnesium bromide iphendulwa nge-bromobenzene ezingeni lokushisa eliphansi ukuze kutholwe i-tert-butylphenylcarbinol. Khona-ke, nge-chlorination kanye ne-fluorination, amaqembu e-carbinol angaguqulwa abe yi-chlorine ne-fluorine, futhi i-3-Chloro-4-fluorobenzyl bromide yakheka. Okokugcina, umkhiqizo ohlosiwe ungatholakala ngokuhlanzwa nge-distillation.
Ulwazi Lokuphepha:
Sebenzisa i-3-Chloro-4-fluorobenzyl bromide ngokunaka ubuthi nokucasuka. Kungase kubangele ukucasuka ohlelweni lokuphefumula, isikhumba namehlo. Gwema ukuthinta isikhumba, amehlo kanye nomgudu wokuphefumula ngesikhathi sokusebenza. Gqoka izinto zokuzivikela ezifanele, njengamagilavu, izibuko nezihlangu zobuso. Ngaphezu kwalokho, kufanele igcinwe endaweni enomoya omuhle futhi igweme ukuthintana nezinto ezifana nama-oxidants aqinile. Uma ugwinywe noma uhogelwe, funa usizo lwezokwelapha ngokushesha. Sicela ufunde imiyalelo yokuphepha komkhiqizo ngokucophelela ngaphambi kokuwusebenzisa.
