isibhengezo_sekhasi

umkhiqizo

3-bromo-4-methylbenzonitrile (CAS# 42872-74-2)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C8H6BrN
I-Molar Mass 196.04
Ukuminyana 1.51±0.1 g/cm3(Kubikezelwe)
I-Melting Point 41-45 °C (okhanyisiwe)
I-Boling Point 259.1±20.0 °C(Kubikezelwe)
I-Flash Point >230°F
Ukuncibilika kwamanzi Ayincibiliki emanzini.
I-Vapor Presure 0.013mmHg ku-25°C
Ukubukeka Ikristalu ephuzi
Isimo Sesitoreji Kuvalwe endaweni eyomile, Ngezinga lokushisa Legumbi
I-Refractive Index 1.591
I-MDL I-MFCD06797818

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Amakhodi Engozi 20/21/22 – Kuyingozi ngokuhogela umoya, ukuthintana nesikhumba futhi uma kugwinywe.
Incazelo Yokuphepha 36 – Gqoka izingubo ezifanele zokuzivikela.
Ama-ID e-UN UN3439
I-WGK Germany 3
Inothi Lengozi Kuyingozi
I-Hazard Class 6.1
Iqembu Lokupakisha III

 

Isingeniso

Kuyinhlanganisela yemvelo enefomula yamakhemikhali i-C8H6BrN. Iqinile emhlophe enephunga elikhethekile.

 

Ivame ukusetshenziswa njengento ebalulekile ephakathi ku-organic synthesis. Ingasetshenziselwa ukuhlanganisa izidakamizwa, izibulala-zinambuzane, odayi nama-reagents amakhemikhali. Isibonelo, ingasetshenziswa ekuhlanganiseni ama-antibiotics kanye nezidakamizwa ezilwa nomdlavuza. Ngaphezu kwalokho, ingasetshenziswa futhi njengempahla eluhlaza yezinto ezikhipha ukukhanya kwe-organic kanye noketshezi lwe-ionic.

Ziningi izindlela zokulungiselela

, futhi indlela eyodwa evame ukusetshenziswa iwukusabela i-p-tolylboronic acid ne-brominylformamide. Umsebenzi othile wokulungiselela udinga ukulungiswa futhi uthuthukiswe ngokuya ngesimo sangempela.

 

Lapho usebenzisa futhi uphatha, udinga ukunaka imininingwane yayo yokuphepha. Kuyinhlanganisela yezinto eziphilayo ezinobuthi obuthile nokucasuka, futhi ukuthintana ngqo nesikhumba, amehlo kanye nomgudu wokuphefumula kufanele kugwenywe. Gqoka izinto zokuzivikela ezifana namagilavu, izibuko nezihlangu zobuso ngesikhathi usebenza. Ngesikhathi esifanayo, sebenza endaweni enomoya omuhle ukuze ugweme uthuli nesitimu. Uma ukulangazelela noma ukudla kwenzeka, funa usizo lwezokwelapha ngokushesha.


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