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mankhwala

6-Bromonicotinic acid (CAS# 6311-35-9)

Chemical Property:

Molecular Formula C6H4BrNO2
Misa ya Molar 202.01
Kuchulukana 1.813±0.06 g/cm3(Zonenedweratu)
Melting Point 200-203°C (kuyatsa)
Boling Point 343.3±27.0 °C(Zonenedweratu)
Pophulikira 161.4°C
Kusungunuka sungunuka mu Methanol
Kuthamanga kwa Vapor 2.73E-05mmHg pa 25°C
Maonekedwe Crystalline Powder
Mtundu Choyera
pKa 3.24±0.10 (Zonenedweratu)
Mkhalidwe Wosungira Sungani pamalo amdima, Osindikizidwa owuma, Kutentha kwachipinda
MDL Mtengo wa MFCD01927100

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Zizindikiro Zowopsa R22 - Zowopsa ngati zitamezedwa
R36/37/38 - Zokwiyitsa maso, kupuma komanso khungu.
Kufotokozera Zachitetezo S26 - Mukakhudza maso, yambani nthawi yomweyo ndi madzi ambiri ndikupempha uphungu wachipatala.
S36 - Valani zovala zoyenera zodzitetezera.
WGK Germany 3
HS kodi 29333990
Kalasi Yowopsa ZOKWIYA

 

Mawu Oyamba

Acid, yomwe imatchedwanso asidi, ndi organic pawiri. Zotsatirazi ndizofotokozera za chikhalidwe chake, kugwiritsa ntchito, kukonzekera ndi chitetezo:

 

Chilengedwe:

-Maonekedwe: asidi ndi woyera crystalline ufa.

-Chilinganizo cha maselo: C6H4BrNO2.

-Kulemera kwa maselo: 206.008g / mol.

- Malo osungunuka: pafupifupi 132-136 digiri Celsius.

-Wokhazikika m'malo otentha komanso osungunuka muzosungunulira zina.

 

Gwiritsani ntchito:

-asidi nthawi zambiri amagwiritsidwa ntchito ngati zopangira kapena zapakatikati mu kaphatikizidwe ka organic.

-Itha kugwiritsidwa ntchito popanga mitundu yambiri ya nayitrogeni yokhala ndi heterocyclic, monga pyridine ndi pyridine zotumphukira.

- Itha kugwiritsidwanso ntchito pokonzekera mankhwala opha tizilombo, mankhwala ndi utoto.

 

Njira Yokonzekera:

-¾ asidi nthawi zambiri anakonza ndi zimene bromo-nicotinic asidi. A wamba kaphatikizidwe njira ndi zimene nicotinic asidi ndi bromoethanol pansi zinthu zamchere, kenako acidification kupeza mankhwala.

 

Zambiri Zachitetezo:

- asidi ayenera kutsatira ambiri zasayansi chitetezo njira ntchito.

-Zingayambitse kupsa mtima kwa maso, khungu ndi kupuma thirakiti, choncho kukhudzana mwachindunji kuyenera kupewedwa panthawi ya opaleshoni.

- mu yosungirako ndi ntchito ayenera kusamala kupewa kukhudzana ndi okosijeni, zidulo amphamvu ndi zinthu zina, pofuna kupewa zinthu zoopsa kapena zochita.

-Ngati kuli kofunikira, gwirani ntchito pamalo olowera mpweya wabwino, kuvala magolovesi oteteza, magalasi oteteza komanso masks oteteza. Mukakowetsedwa kapena kuwululidwa, pitani kuchipatala.


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