isibhengezo_sekhasi

umkhiqizo

2-Bromo-4-methylpyridine (CAS# 4926-28-7)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C6H6BrN
I-Molar Mass 172.02
Ukuminyana 1.545 g/mL ku-25 °C (okhanyisiwe)
I-Boling Point 87 °C/10 mmHg (okhanyisiwe)
I-Flash Point >230°F
Ukuncibilika I-Chloroform, i-Methanol (Kancane)
I-Vapor Presure 0.173mmHg ku-25°C
Ukubukeka Uketshezi
I-Gravity ethize 1.545
Umbala Okuphuzi okucacile
I-BRN 107331
pKa 1.46±0.10(Okubikezelwe)
Isimo Sesitoreji Gcina endaweni emnyama, evalwe endaweni eyomile, Emazingeni Okushisa Egumbi
I-Refractive Index n20/D 1.561(lit.)
Izakhiwo Zomzimba Nezamakhemikhali Ukubukeka: uketshezi olunamafutha olungenambala olusawolintshi-ophuzi
Iphoyinti Lokuncibilika: 98-100 ℃/30mmHg
Sebenzisa Pharmaceutical Intermediates

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 – Gqoka izingubo ezifanele zokuzivikela.
S36/37/39 – Gqoka izingubo zokuzivikela ezifanele, amagilavu ​​kanye nokuvikela iso/ubuso.
I-WGK Germany 3
Ikhodi ye-HS 29339900
I-Hazard Class I-IRRITANT

 

Isingeniso

I-2-bromo-4-methylpyridine iyinhlanganisela yezinto eziphilayo. Okulandelayo yisingeniso sezakhiwo zayo, ukusetshenziswa kwayo, izindlela zokukhiqiza kanye nolwazi lokuphepha:

 

Ikhwalithi:

I-2-Bromo-4-methylpyridine iwuketshezi olungenambala ukuya kokuphuzi olunephunga elimnandi elinamandla. Iyancibilika kuma-organic solvents futhi ayincibiliki emanzini. Kuyinhlanganisela enobuthi obuphansi.

 

Sebenzisa:

I-2-Bromo-4-methylpyridine ivame ukusetshenziswa ekuphenduleni kwe-organic synthesis njengento ebalulekile ephakathi. Inezinhlobonhlobo zezinhlelo zokusebenza ekuhlanganiseni ama-heterocyclic compounds nama-molecule asebenzayo.

 

Indlela:

Iningi lezindlela zokulungiselela ze-2-bromo-4-methylpyridine ziwukusabela kwe-chloride nge-potassium bromide noma i-bromic acid, futhi umkhiqizo utholakala ngokusabela esikhundleni.

 

Ulwazi Lokuphepha: Izinto zokuvikela ezifanele ezifana namagilavu, izibuko, nezihlangu zobuso kufanele zigqokwe uma zisetshenziswa. Lapho ugcina futhi uphatha, ukuthintana nama-oxidants nama-asidi aqinile kufanele kugwenywe. Kufanele futhi igcinwe kude namalangabi avulekile kanye nemithombo yokuthungela. I-2-Bromo-4-methylpyridine iphephile ukuthi isetshenziswe uma isetshenziswe futhi igcinwe ngendlela efanele.


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