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mankhwala

3-AMINO-2-BROMO-5-CHLOROPYRIDINE (CAS# 90902-83-3)

Chemical Property:

Molecular Formula C5H4BrClN2
Misa ya Molar 207.46
Kuchulukana 1.834±0.06 g/cm3(Zonenedweratu)
Melting Point 141-143 ° C
Boling Point 312.7±37.0 °C(Zonenedweratu)
Pophulikira 142.9°C
Kuthamanga kwa Vapor 0.00052mmHg pa 25°C
Maonekedwe Zolimba
Maximum wavelength(λmax) 314nm(EtOH)(lit.)
pKa -0.54±0.10(Zonenedweratu)
Mkhalidwe Wosungira pansi pa mpweya wa inert (nayitrogeni kapena Argon) pa 2-8 °C
Refractive Index 1.648
MDL A151585

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Zizindikiro Zowopsa R22 - Zowopsa ngati zitamezedwa
R37/38 - Zokwiyitsa dongosolo la kupuma ndi khungu.
R41 - Kuopsa kwa kuwonongeka kwakukulu kwa maso
Kufotokozera Zachitetezo S26 - Mukakhudza maso, yambani nthawi yomweyo ndi madzi ambiri ndikupempha uphungu wachipatala.
S39 - Valani chitetezo chamaso / kumaso.
Zowopsa Zokwiyitsa

 

Mawu Oyamba

Ndi organic pawiri yomwe mankhwala ake ndi C5H4BrClN2. Zotsatirazi ndizofotokozera za chikhalidwe chake, kagwiritsidwe ntchito, kapangidwe ndi chitetezo:

 

Chilengedwe:

-Maonekedwe: Ndi kristalo woyera wolimba.

- Malo osungunuka: Malo ake osungunuka ndi 58-62 digiri Celsius.

-Kusungunuka: Imasungunuka mu zosungunulira za organic (monga ethanol, dimethyl sulfoxide ndi dimethyl formamide).

 

Gwiritsani ntchito:

-m angagwiritsidwe ntchito ngati wapakatikati mu kaphatikizidwe organic kwa synthesis ena organic mankhwala.

-Itha kugwiritsidwanso ntchito ngati chinthu chofunikira kwambiri pamankhwala ophera tizilombo komanso mankhwala.

 

Njira: Kukonzekera kwa

-kapena angapezeke kuchokera ku pyridine monga gawo loyambira komanso kupyolera muzotsatira za mankhwala.

-Njira yeniyeni yokonzekera imasiyanasiyana malinga ndi zochitika zosiyanasiyana, ndipo ikhoza kukonzedwa ndi amination, bromination ndi chlorination reaction.

 

Zambiri Zachitetezo:

-zingakhale zovulaza thanzi la munthu, chisamaliro chiyenera kutengedwa kuti tipewe kupuma, kukhudzana kapena kumeza.

-Zida zodzitetezera ngati magulovu, magalasi ndi zishango zakumaso ziyenera kuvalidwa panthawi yogwira ntchito.

-Pakakhala chikhumbo kapena kukhudzana ndi mankhwalawa, funsani chithandizo chamankhwala mwamsanga kapena thandizo la katswiri woletsa poizoni.

-Panthawi yosungira ndi kusamalira, chonde tsatirani njira zonse zachitetezo ndi malamulo kuti mutsimikizire kugwiritsa ntchito kotetezeka kwa gululo.


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