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mankhwala

2-FLUORO-3-NITRO-4-PICOLINE (CAS# 19346-43-1)

Chemical Property:

Molecular Formula C6H5FN2O2
Molar Misa 156.11
Kuchulukana 1.357±0.06 g/cm3(Zonenedweratu)
Melting Point 33 ℃
Boling Point 264.0±35.0 °C(Zonenedweratu)
Maonekedwe Zolimba
pKa -3.81±0.18(Zonenedweratu)
Mkhalidwe Wosungira M'mlengalenga, Kutentha kwa Zipinda

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Ngozi ndi Chitetezo

Zizindikiro Zowopsa 34 - Zimayambitsa kuwotcha
Kufotokozera Zachitetezo S36/37/39 - Valani zovala zodzitchinjiriza zoyenera, magolovesi ndi chitetezo chamaso / kumaso.
S45 - Pakachitika ngozi kapena ngati simukumva bwino, funsani upangiri wachipatala nthawi yomweyo (onetsani chizindikirocho ngati kuli kotheka.)

 

 

2-FLUORO-3-NITRO-4-PICOLINE (CAS# 19346-43-1) Chiyambi

Ndi organic pawiri ndi mankhwala chilinganizo C6H5FN2O2. Zotsatirazi ndizofotokozera za chikhalidwe chake, kugwiritsa ntchito, kukonzekera ndi chitetezo: Chilengedwe:
ndi wopanda mtundu mpaka wotumbululuka wachikasu cholimba. Ndiwokhazikika pa kutentha kwabwino komanso osasungunuka m'madzi, koma amasungunuka mu zosungunulira za organic monga ethanol ndi dimethylformamide. Ndi gawo lofooka la alkaline.

Gwiritsani ntchito:
Amagwiritsidwa ntchito kwambiri ngati gawo lapakati pakupanga organic. Ikhoza kugwiritsidwa ntchito pokonzekera mankhwala osiyanasiyana monga mankhwala, utoto ndi mankhwala ophera tizilombo. Nthawi zambiri amagwiritsidwa ntchito ngati zida zopangira maantibayotiki, mankhwala oletsa khansa komanso mankhwala ophera tizilombo m'munda wamankhwala.

Njira:
Kukonzekera kwa mercury kungapezeke mwa njira zosiyanasiyana. Njira yodziwika bwino ndikuchita 4-picoline ndi hydrogen fluoride kapena sodium fluoride kenako ndi nitric acid kuti mupeze chinthu chomwe mukufuna.

Zambiri Zachitetezo:
Ndi organic mankhwala ndipo ali ndi kawopsedwe. Pogwira ntchito ndikugwiritsa ntchito, m'pofunika kutenga njira zodzitetezera zokwanira, kuphatikizapo kuvala magolovesi, magalasi, zovala zoteteza, etc. Pewani kupuma, kumeza ndi kukhudzana ndi khungu. Panthawi yosungira ndi kusamalira, chisamaliro chiyenera kutengedwa kuti chiteteze moto ndikupewa kukhudzana ndi okosijeni, ma asidi amphamvu ndi zinthu zina. Potaya zinyalala, ziyenera kutayidwa motsatira malamulo ogwirizana kuti apewe kuipitsidwa kwa chilengedwe.


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