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umkhiqizo

3-Bromo-4-fluorotoluene (CAS# 452-62-0)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C7H6BrF
I-Molar Mass 189.02
Ukuminyana 1.507 g/mL ku-25 °C (okhanyisiwe)
I-Boling Point 169 °C/756 mmHg (okhanyisiwe)
I-Flash Point 164°F
I-Vapor Presure 2.07mmHg ku-25°C
Ukubukeka Uketshezi
I-Gravity ethize 1.52
Umbala Kucace kungenambala ukuya kokuphuzi ngokukhanyayo
I-BRN 1680604
Isimo Sesitoreji Kuvalwe endaweni eyomile, Ngezinga lokushisa Legumbi
I-Refractive Index n20/D 1.531(lit.)
Izakhiwo Zomzimba Nezamakhemikhali Uketshezi olungenambala ukuya kokuphuzi. Iphoyinti elibilayo elingu-169 ℃(756mmHg), iphoyinti elikhanyayo elingu-73 ℃, inkomba ye-refractive engu-1.5310, amandla adonsela phansi athile angu-1.507.

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Izimpawu Eziyingozi Xi - Irritant
Amakhodi Engozi 36/37/38 - Ukucasula amehlo, uhlelo lokuphefumula kanye nesikhumba.
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.
I-WGK Germany 3
Ikhodi ye-HS 29039990
I-Hazard Class I-IRRITANT

 

Isingeniso

I-3-bromo-4-fluorotoluene, eyaziwa nangokuthi i-p-bromo-p-fluorotoluene, iyinhlanganisela yezinto eziphilayo. Okulandelayo yisingeniso sezakhiwo zayo, ukusetshenziswa kwayo, izindlela zokukhiqiza kanye nolwazi lokuphepha:

 

Ikhwalithi:

- Ukubukeka: Uketshezi olungenambala noma okuqinile okumhlophe

 

Sebenzisa:

I-3-bromo-4-fluorotoluene inenani elithile lohlelo lokusebenza ku-organic synthesis. Ingasetshenziswa futhi njenge-ligand yezinhlanganisela zokuxhumanisa.

 

Indlela:

Ukulungiswa kwe-3-bromo-4-fluorotoluene kuvame ukufezwa ngezindlela zokuhlanganisa amakhemikhali. Indlela evamile yokulungiselela iwukusabela i-4-fluorotoluene ne-bromine ku-solvent ephilayo efanele. Lokhu kusabela kwenziwa ngaphansi kwezimo ezifanele, njengangaphansi kwesimo sokushisa nokushukumisa, futhi i-catalyst yengezwa ukuze kube lula ukusabela.

 

Ulwazi Lokuphepha:

I-3-Bromo-4-fluorotoluene i-solvent ephilayo enobuthi obuthile. Izinyathelo zokuphepha ezilandelayo kufanele zilandelwe lapho usebenzisa noma uphatha:

- Gwema ukuhogela, ukumunca, noma ukuthinta isikhumba namehlo.

- Sebenzisa izixwayiso ezifanele njengezingubo zamehlo ezivikelayo, amagilavu, nezimpahla zokuzivikela lapho usebenza.

- Gcina indawo yokusebenza enomoya omuhle.

- Gwema umlilo kanye namazinga okushisa aphezulu ngesikhathi sokugcina nokuphatha.

- Landela izinqubo zokusebenza zendawo zokuphepha.

 


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