isibhengezo_sekhasi

umkhiqizo

3-Amino-5-bromo-2-fluoropyridine (CAS# 884495-22-1)

Isakhiwo Samakhemikhali:

I-Molecular Formula I-C5H4BrFN2
I-Molar Mass 191
Ukuminyana 1.813±0.06 g/cm3(Kubikezelwe)
I-Melting Point 75-80℃
I-Boling Point 278.2±35.0 °C(Kubikezelwe)
I-Flash Point 122.1°C
I-Vapor Presure 0.00432mmHg ku-25°C
Ukubukeka Okuqinile
pKa 0.11±0.10(Okubikezelwe)
Isimo Sesitoreji 2-8°C
I-Refractive Index 1.604
I-MDL MFCD06659524

Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Amakhodi Engozi I-R22 – Iyingozi uma igwinywe
R36/37/38 – Ukucasula amehlo, uhlelo lokuphefumula kanye nesikhumba.
Incazelo Yokuphepha 26 - Uma uthintana namehlo, geza ngokushesha ngamanzi amaningi futhi ufune iseluleko sezokwelapha.
I-WGK Germany 3
I-Hazard Class I-IRRITANT

 

Isingeniso

Kuyinhlanganisela yemvelo enefomula yamakhemikhali ethi C5H3BrFN2. Okulandelayo yincazelo yemvelo yayo, ukusetshenziswa, ukulungiswa kanye nolwazi lokuphepha:

 

Imvelo:

-Ukubukeka: ikristalu engenambala ephuzi

-Indawo yokuncibilika: 110-113°C

-Indawo yokubilisa: 239°C (umfutho womkhathi)

-Ukuminyana: 1.92g/cm³

I-Soluble: I-Soluble ku-ethanol, i-dimethylformamide ne-acetonitrile

 

Sebenzisa:

-isetshenziswa kaningi njengengxenye ebalulekile ku-organic synthesis. Ingasetshenziswa ekuhlanganiseni izidakamizwa, izibulala-zinambuzane, odayi kanye nochungechunge lwezinhlanganisela eziphilayo.

-I-compound idlala indima ebalulekile emkhakheni wezokwelapha, njengokuhlanganiswa kwezidakamizwa ezilwa nomdlavuza.

 

Indlela Yokulungiselela:

-noma ingatholakala ngochungechunge lwe-organic chemical synthesis reactions. Indlela ejwayelekile yokwenziwa iwukuvikela, ukubhoboza kanye ne-fluorination ye-pyrimidines. Indlela ethile yokuhlanganisa ingenziwa elungiselelwe ngokwezidingo zangempela.

 

Ulwazi Lokuphepha:

-Imininingwane ethile yokuphepha idinga ukunqunywa ngokuya ngezimo ezithile zokuhlola kanye nokusetshenziswa.

-Uma usebenzisa inhlanganisela, landela ngokuqinile izinqubo zokuphepha zaselabhorethri, okuhlanganisa ukugqoka izinto zokuzivikela ezifanele, ukugwema ukuthintana nesikhumba namehlo, kude nomlilo nokushisa.

-Ukuchayeka isikhathi eside kanye nokuhogela kwalesi sithako kungase kubangele izingozi zezempilo, ngakho-ke kufanele unake izinyathelo zokuzivikela ezinengqondo futhi ubhekane nazo ngokuhambisana nendlela yokuhlola yokuhlola imfucuza efanele.


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