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umkhiqizo

5-Bromo-2-chloropyridine (CAS# 53939-30-3)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C5H3BrClN
I-Molar Mass 192.44
Ukuminyana 1.7783 (isilinganiso esinzima)
I-Melting Point 65-69 °C (okhanyisiwe)
I-Boling Point 208.1±20.0 °C(Kubikezelwe)
I-Flash Point 79.7°C
I-Vapor Presure 0.313mmHg ku-25°C
Ukubukeka impushana ephuzi
Umbala Ayisekho mhlophe
I-BRN 108887
pKa -2.25±0.10(Kubikezelwe)
Isimo Sesitoreji Gcina endaweni emnyama, evalwe endaweni eyomile, Emazingeni Okushisa Egumbi
I-Refractive Index 1.5400 (isilinganiso)
I-MDL I-MFCD01318951
Izakhiwo Zomzimba Nezamakhemikhali Impushana ephuzi ekhanyayo

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.
I-S37/39 – Gqoka amagilavu ​​afanelekile kanye nokuvikela iso/ubuso
S36/37/39 – Gqoka izingubo zokuzivikela ezifanele, amagilavu ​​kanye nokuvikela iso/ubuso.
I-WGK Germany 3
I-TSCA T
Ikhodi ye-HS 29333990
Inothi Lengozi Iyacasula
I-Hazard Class I-IRRITANT, IRRITANT-H

 

Isingeniso

I-5-Bromo-2-chlorodyridine (5-Bromo-2-chlorodyridine) iyinhlanganisela yemvelo enefomula yamakhemikhali ethi C5H3BrClN.

 

Izici zayo eziyinhloko zimi kanje:

-Ukubukeka: Ayinambala ikristale ephuzi

-indawo yokuncibilika: 43-46 ℃

-Indawo yokubilisa: 209-210 ℃

-Ukunyibilika: kuncibilika kancane emanzini, kuncibilika kuzincibilikisi ezivamile ezifana ne-ethanol, i-dimethylformamide

 

I-5-Bromo-2-chlorostyridine inohlu olubanzi lwezinhlelo zokusebenza ku-organic synthesis, futhi ivame ukusetshenziswa ekulungiseleleni okuphuma ku-pyridine, njengezidakamizwa nezibulala-zinambuzane. Ingasetshenziswa futhi njenge-ligand yokuhlanganiswa kwe-organometallic complexes.

 

Endleleni yokulungiselela, i-5-Bromo-2-chloropyridine ingatholakala ngokungeza i-chlorination ku-2-bromopyridine ukuze ibhekane nokusabela okushintshwayo. Izimo ezithile zokusabela zizolungiswa ngokuya ngezidingo zokuhlola.

 

Mayelana nolwazi lokuphepha, i-5-Bromo-2-choropyridine iyacasula futhi iyazwela futhi ingase ibe yingozi emehlweni, isikhumba, isimiso sokuphefumula kanye nesistimu yokugaya ukudla. Naka izinyathelo zokuzivikela ngesikhathi sokusebenzisa nokuphatha, okuhlanganisa ukugqoka izibuko zokuzivikela, amagilavu ​​kanye namamaski okuphefumula. Ngesikhathi esifanayo, kufanele igcinwe endaweni eyomile, enomoya omuhle, kude nomlilo kanye nemithombo yokushisa.


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