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umkhiqizo

2-BROMO-6-CHLOROPYRIDINE(CAS# 5140-72-7)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C5H3BrClN
I-Molar Mass 192.44
Ukuminyana 1.736±0.06 g/cm3(Kubikezelwe)
I-Melting Point 87-91 °C
I-Boling Point 230.8±20.0 °C(Kubikezelwe)
I-Flash Point 93.4°C
Ukuncibilika encibilikayo ku-Methanol
I-Vapor Presure 0.0977mmHg ku-25°C
Ukubukeka Okuqinile
Umbala Okumhlophe kuya kokuphuzi Okukhanyayo
pKa -3.02±0.10(Kubikezelwe)
Isimo Sesitoreji Gcina endaweni emnyama, evalwe endaweni eyomile, Emazingeni Okushisa Egumbi
I-Refractive Index 1.581
I-MDL I-MFCD00181262

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Amakhodi Engozi I-R22 – Iyingozi uma igwinywe
R36/37/38 – Ukucasula amehlo, uhlelo lokuphefumula kanye nesikhumba.
R41 – Ingozi yokulimala okubi emehlweni
Incazelo Yokuphepha S26 – Uma uthintana namehlo, geza ngokushesha ngamanzi amaningi futhi ufune iseluleko sezokwelapha.
I-S36/37 – Gqoka izingubo zokuzivikela ezifanele namagilavu.
S36/37/39 – Gqoka izingubo zokuzivikela ezifanele, amagilavu ​​kanye nokuvikela iso/ubuso.
S36/39 -
I-WGK Germany 1
I-Hazard Class I-IRRITANT
Iqembu Lokupakisha III

 

Isingeniso

I-2-Bromo-6-chloropyridine iyinhlanganisela yezinto eziphilayo.

 

Ikhwalithi:

I-2-Bromo-6-chloropyridine iyikristale eqinile emhlophe enokunambitheka okubabayo kanye nephunga elinamandla eliphunga. Ayincibiliki emanzini ngamazinga okushisa asekamelweni, kodwa incibilika kuzincibilikisi zemvelo ezifana ne-ethanol, i-ether ne-benzene. Inokuqina okuhle kwe-thermal kanye namakhemikhali.

 

Sebenzisa:

Njenge-organic intermediate, i-2-bromo-6-chloropyridine inohlu olubanzi lwezinhlelo zokusebenza ekuhlanganiseni kwamakhemikhali. Ngaphezu kwalokho, ingasetshenziswa njenge-catalyst, i-solvent ne-reagent, njll.

 

Indlela:

I-2-Bromo-6-chloropyridine ivame ukulungiswa ngezindlela zokuhlanganisa amakhemikhali. Indlela evamile ukusabela ku-2-chloro-6-bromopyridine nge-thionyl chloride noma i-dimethyl sulfate futhi uyishise ngaphansi kwezimo ze-alkali ukukhiqiza i-2-bromo-6-chloropyridine.

 

Ulwazi Lokuphepha:

I-2-Bromo-6-chloropyridine iyinhlanganisela yezinto eziphilayo ezinobuthi obuthile kubantu. Ngesikhathi sokusetshenziswa, ukuthintana ngqo nesikhumba namehlo kufanele kugwenywe ukuvimbela ukuhogela noma ukugwinya. Kumelwe isebenze endaweni enomoya omuhle futhi igqoke izinto zokuzivikela ezifanele njengamagilavu, izibuko, nezingubo zokuzivikela. Esimeni sokuchayeka ngephutha kulesi sakhi, hlambulula ngokushesha ngamanzi amaningi futhi ufune usizo lwezokwelapha ngokushesha. Ngesikhathi sokugcina nokuthutha, ukuthintana namalangabi avulekile, imithombo yokushisa nama-oxidants kufanele kugwenywe ukuze kugwenywe izingozi zomlilo nokuqhuma.


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