isibhengezo_sekhasi

umkhiqizo

2-Chloro-4-fluorobenzyl bromide (CAS# 45767-66-6)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C7H5BrClF
I-Molar Mass 223.47
Ukuminyana 1.3879 (isilinganiso esinzima)
I-Melting Point 33-35°C
I-Boling Point 226.8±25.0 °C(Kubikezelwe)
I-Flash Point 91°C
I-Vapor Presure 0.12mmHg ku-25°C
Ukubukeka Ikristalu eliphuzi elikhanyayo
Umbala Okumhlophe kuya kokuphuzi
I-BRN 3539265
Isimo Sesitoreji Umkhathi ongenayo, 2-8°C
Kuyazwela I-Lachrymatory
I-Refractive Index 1.5550 (isilinganiso)
I-MDL I-MFCD00236025

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Amakhodi Engozi R34 – Ibangela ukusha
I-R22 – Iyingozi uma igwinywe
Incazelo Yokuphepha S45 – Uma kwenzeka ingozi noma uzizwa ungaphilile, funa iseluleko sezokwelapha ngokushesha (bonisa ilebula noma nini lapho kunokwenzeka.)
S36/37/39 – Gqoka izingubo zokuzivikela ezifanele, amagilavu ​​kanye nokuvikela iso/ubuso.
S26 – Uma uthintana namehlo, geza ngokushesha ngamanzi amaningi futhi ufune iseluleko sezokwelapha.
Ama-ID e-UN 3265
Ikhodi ye-HS 29039990
Inothi Lengozi I-Corrosive/Lachrymatory
I-Hazard Class 8
Iqembu Lokupakisha III

 

Isingeniso

I-2-Chloro-4-fluorobenzyl bromide iyinhlanganisela yemvelo enefomula yamakhemikhali ethi C7H5BrClF. Iwuketshezi olunamafutha angenambala noma aphuzi ngokukhanyayo ezingeni lokushisa elilingana negumbi. Okulandelayo incazelo yemvelo, ukusetshenziswa, ukulungiswa kanye nolwazi lokuphepha lwe-2-Chloro-4-fluorobenzyl bromide:

 

Imvelo:

-Ukubukeka: uketshezi olunamafutha olungenambala noma oluphuzi olukhanyayo

-Ukunyibilika: Kuncibilika kancane emanzini, kuncibilika kuzincibilikisi zemvelo ezifana ne-ethanol ne-dichloromethane

-Indawo yokuncibilika: -10°C

-Indawo yokubilisa: 112-114°C

-Ukuminyana: 1.646 g/mL

 

Sebenzisa:

I-2-Chloro-4-fluorobenzyl bromide ivamise ukusetshenziswa njengento ebalulekile emaphakathi kanye neluhlaza ku-organic synthesis. Ingasetshenziswa ekuhlanganisweni kwamanye ama-organic compounds, njengama-heterocyclic compounds, izidakamizwa namadayi.

 

Indlela Yokulungiselela:

I-2-Chloro-4-fluorobenzyl bromide ingalungiswa ngokusabela i-2-chloro-4-fluorobenzyl alcohol ne-hydrogen bromide. Okokuqala, i-2-chloro-4-fluorobenzyl utshwala i-esterified ne-hydrogen bromide phambi kwesisekelo sokukhiqiza i-2-chloro-4-fluorobenzyl bromide. Ngemva kwalokho, yahlanjululwa ngokukhipha nge-hydrochloric acid egxilile kanye ne-distillation ukuze kutholwe umkhiqizo ohlosiwe we-2-Chloro-4-fluorobenzyl bromide.

 

Ulwazi Lokuphepha:

Lezi zinyathelo zokuphepha ezilandelayo kufanele zibhekwe lapho usebenzisa noma uphatha i-2-Chloro-4-fluorobenzyl bromide:

-Gwema ukuthinta isikhumba, amehlo nolwelwesi lwamafinyila. Uma uthintana, geza ngamanzi amaningi futhi ufune usizo lwezempilo.

-Ngesikhathi sokusebenza, sebenzisa izinto zokuzivikela ezifanele, njengamagilavu ​​okuzivikela, izibuko zokuphepha nezingubo zokuzivikela.

-Gwema ukuhogela umhwamuko noma uthuli lwawo. Ngesikhathi sokusebenza, kufanele kuqinisekiswe ukuthi isendaweni enomoya omuhle.

-Isitoreji kufanele sivalwe ukugwema ukuthintana nama-oxidants nama-acids/alkali aqinile.

 


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