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mankhwala

2-Bromopyridine-4-carboxylic acid (CAS# 66572-56-3)

Chemical Property:

Molecular Formula C6H4BrNO2
Misa ya Molar 202.01
Kuchulukana 1.813±0.06 g/cm3(Zonenedweratu)
Melting Point 229-231 ° C
Boling Point 447.2±30.0 °C(Zonenedweratu)
Pophulikira 224.3 ° C
Kuthamanga kwa Vapor 8.78E-09mmHg pa 25°C
Maonekedwe Crystalline ufa
Mtundu Choyera
Mtengo wa BRN 471895
pKa 2.98±0.10 (Zonenedweratu)
Mkhalidwe Wosungira Sungani pamalo amdima, Osindikizidwa owuma, Kutentha kwachipinda
MDL Mtengo wa MFCD01646069
Zakuthupi ndi Zamankhwala Malo osungunuka 229-231 ° C
Gwiritsani ntchito Kutentha kosungirako 2-8 ℃

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Zizindikiro Zowopsa Xi - Zosangalatsa
Zizindikiro Zowopsa 36/37/38 - Zokwiyitsa maso, kupuma komanso khungu.
Kufotokozera Zachitetezo S26 - Mukakhudza maso, yambani nthawi yomweyo ndi madzi ambiri ndikupempha uphungu wachipatala.
S36 - Valani zovala zoyenera zodzitetezera.
S36/37 - Valani zovala zoyenera zodzitchinjiriza ndi magolovesi.
WGK Germany 3
HS kodi 29333990
Zowopsa Osakwiyitsa/ Khalani Ozizira
Kalasi Yowopsa ZOKWIYA

 

Mawu Oyamba

2-Bromoisoniacin, yomwe imadziwikanso kuti 2-bromopyridine-4-carboxylic acid, ndi mankhwala achilengedwe. Zotsatirazi ndizofotokozera za katundu, ntchito, njira zokonzekera ndi chitetezo cha 2-bromoisoniacinic acid:

 

Ubwino:

- Maonekedwe: 2-Bromoisoniacinic acid ndi yoyera kapena yoyera yolimba.

- Kusungunuka: Kutha kusungunuka mu zosungunulira organic monga madzi, ethanol, ndi ether.

- Chemical katundu: Ikhoza kuchitidwa ndi alkaline hydrolysis pamikhalidwe yamchere kuti ipange mankhwala ofanana ndi bromopyridine.

 

Gwiritsani ntchito:

- Itha kugwiritsidwanso ntchito ngati utoto wapakatikati pakupanga utoto ndi utoto.

 

Njira:

- Njira yokonzekera yodziwika bwino ya 2-bromoisoniacinic acid imapezeka pochita 2-picolinic acid ndi thionyl bromide. Sakanizani 2-picolinic acid ndi sulfoxide mu zosungunulira zoyenera ndikuwonjezera chothandizira cha acidic. Kenako, thionyl bromide imawonjezeredwa pang'onopang'ono, ndipo zomwe zimachitika zimachitika. Njira yothetsera vutoli idasamalidwa bwino ndikuyeretsedwa kuti mupeze mankhwala a 2-bromoisoniacinic acid okhala ndi chiyero chachikulu.

 

Chidziwitso cha Chitetezo: Ndi chinthu chokwiyitsa chomwe chingayambitse mkwiyo komanso kusapeza bwino pokhudzana ndi khungu, maso, kapena kupuma. Zida zodzitetezera zoyenerera monga magolovesi, magalasi, ndi zishango zakumaso ziyenera kuvalidwa zikagwiritsidwa ntchito.

- Pogwira 2-bromoisoniacin, pewani kutulutsa fumbi kapena nthunzi yake. Pambuyo pa chithandizo, malo okhudzidwa ndi zida ziyenera kutsukidwa bwino.

- Kusungirako bwino kwa 2-bromoisoniacin, kukuyenera kusungidwa pamalo owuma, ozizira komanso mpweya wabwino, kutali ndi kuyatsa ndi okosijeni. Sungani mosiyana ndi zoyaka, ma asidi ndi zochepetsera.

- Mukapuma mwangozi, kukhudzana, kapena kumwa 2-bromoisoniacin, pitani kuchipatala mwamsanga ndipo mubweretse malangizo kapena chizindikiro cha mankhwala omwe akufunsidwa.


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