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umkhiqizo

2-Amino-5-bromo-6-methylpyridine (CAS# 42753-71-9)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C6H7BrN2
I-Molar Mass 187.04
Ukuminyana 1.5672 (isilinganiso esinzima)
I-Melting Point 79-84°C(lit.)
I-Boling Point 234.3±35.0 °C(Kubikezelwe)
I-Flash Point 95.5°C
I-Vapor Presure 0.0534mmHg ku-25°C
Ukubukeka Ikristalu eliphuzi elikhanyayo
Umbala Okumhlophe kuya kokumhlophe
I-BRN 114140
pKa 4.80±0.37(Okubikezelwe)
Isimo Sesitoreji Gcina endaweni emnyama, evalwe endaweni eyomile, Emazingeni Okushisa Egumbi
Kuyazwela I-Hygroscopic
I-Refractive Index 1.5500 (isilinganiso)
I-MDL I-MFCD00068230

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 – Gqoka izingubo ezifanele zokuzivikela.
S26/37/39 -
I-WGK Germany 3
I-TSCA Yebo
Ikhodi ye-HS 29333999
I-Hazard Class I-IRRITANT

 

Isingeniso

I-2-Amino-5-bromo-6-methylpyridine iyinhlanganisela yezinto eziphilayo. Iqinile eliqinile elingenambala ukuya kokuphuzi okuphaphathekile elinamaqembu akhethekile asebenzayo e-amino kanye ne-bromine.

 

I-2-Amino-5-bromo-6-methylpyridine inezinhlelo zokusebenza ezihlukahlukene. Ingasetshenziswa njengendlela ephakathi ku-organic synthesis. Ingasetshenziswa futhi ekuhlanganiseni amadayi nama-pyridine compounds, phakathi kwezinye izinto.

 

Ukulungiswa kwalesi sakhi ngokuvamile kufinyelelwa nge-amination kanye ne-bromination. Indlela evamile yokulungiselela iwukusabela i-2-bromo-5-bromomethylpyridine ngamanzi e-ammonia ukukhiqiza i-2-amino-5-bromo-6-methylpyridine. Ukusabela kuvame ukwenziwa ekamelweni lokushisa futhi kuvame ukusebenzisa inani elifanele le-alkali catalyst.

Kungase kucasule, kungezwani nalutho, noma kube yingozi emzimbeni womuntu futhi kudinga ukugqokwa kwezinto zokuzivikela ezifanele njengezingubo zamehlo ezivikelayo, amagilavu, nejazi laselabhu lapho usebenza. Ukuhogela uthuli lwayo noma ukuthintana nesikhumba kufanele kugwenywe, futhi kufanele kugcinwe kude nokushisa nokuvutha.


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