tsamba_banner

mankhwala

5-CHLORO-2-FLUORO-3-NITROPYRIDINE(CAS# 60186-16-5)

Chemical Property:

Molecular Formula C5H2ClFN2O2
Misa ya Molar 176.53
Kuchulukana 1.595±0.06 g/cm3(Zonenedweratu)
Melting Point 23 °C
Boling Point 254.7±35.0 °C(Zonenedweratu)
Pophulikira 107.866°C
Kuthamanga kwa Vapor 0.027mmHg pa 25°C
Maonekedwe Zolimba
pKa -6.75±0.20(Zonenedweratu)
Mkhalidwe Wosungira Pansi pa mpweya wa inert (nayitrogeni kapena Argon) pa 2-8 ° C
Refractive Index 1.56

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Zizindikiro Zowopsa Xn - Zowopsa
Zizindikiro Zowopsa R20/21/22 - Zowopsa pokoka mpweya, kukhudzana ndi khungu komanso kumeza.
R36/37/38 - Zokwiyitsa maso, kupuma komanso khungu.
R22 - Zowopsa ngati zitamezedwa
Kufotokozera Zachitetezo S26 - Mukakhudza maso, yambani nthawi yomweyo ndi madzi ambiri ndikupempha uphungu wachipatala.
S36 - Valani zovala zoyenera zodzitetezera.
Zowopsa Zovulaza

 

Mawu Oyamba

Ndi organic pawiri yomwe mankhwala ake ndi C5H2ClFN2O2. Zotsatirazi ndizofotokozera za chikhalidwe chake, kagwiritsidwe ntchito, kapangidwe ndi chitetezo:

 

Chilengedwe:

-Maonekedwe: ufa wolimba wachikasu mpaka wopepuka.

- Malo osungunuka: Malo osungunuka a pawiri ndi pafupifupi 160-165 digiri Celsius.

-Kusungunuka: Ikhoza kusungunuka mu zosungunulira zachilengedwe monga dimethylmethylphosphinate ndi dimethylformamide, koma kusungunuka kwake m'madzi kumakhala kochepa.

 

Gwiritsani ntchito:

-Imodzi mwazinthu zomwe zimagwiritsidwa ntchito kwambiri ndi mankhwalawa ndi ngati mankhwala ophera tizirombo komanso mafangasi paulimi.

-Itha kugwiritsidwanso ntchito popanga zinthu zina zopangira organic, monga ma intermediates opangira mankhwala ndi mankhwala ophera tizilombo.

 

Njira Yokonzekera:

- kapena akhoza kupangidwa ndi nitro reaction. Ambiri kupanga njira ndi zimene 5-chloro-2-aminopyridine ndi nitrite, kenako fluorination ndi fluorinating reagent.

 

Zambiri Zachitetezo:

-ndi organic pawiri ndipo ayenera kugwiritsidwa ntchito mogwirizana ndi njira zoyenera chitetezo.

- Ikhoza kukhala poizoni ku chilengedwe, ndipo njira zodzitetezera ziyenera kuchitidwa kuti zichepetse zotsatira zake pa chilengedwe.

-Valani magolovesi odzitchinjiriza, magalasi odzitchinjiriza ndi zovala zodzitchinjiriza mukamagwiritsa ntchito kapena pogwira mankhwalawa.

-Ziyenera kusungidwa pamalo owuma, ozizira komanso kutali ndi zopsereza zoyaka ndi okosijeni.

-Musanagwiritse ntchito, muyenera kumvetsetsa zambiri zachitetezo cha pawiriyo ndikutsatira njira zake zolondola komanso zotayira.


  • Zam'mbuyo:
  • Ena:

  • Lembani uthenga wanu apa ndikutumiza kwa ife