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mankhwala

5-Chloro-2-fluoro-3-methylpyridine (CAS# 375368-84-6)

Chemical Property:

Molecular Formula Mtengo wa C6H5ClFN
Molar Misa 145.56
Kuchulukana 1.264±0.06 g/cm3(Zonenedweratu)
Boling Point 189.4±35.0 °C(Zonenedweratu)
Pophulikira 68.3°C
Kuthamanga kwa Vapor 0.79mmHg pa 25°C
pKa -2.42±0.20(Zonenedweratu)
Mkhalidwe Wosungira 2-8 ° C
Refractive Index 1.503

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Zizindikiro Zowopsa Xn - Zowopsa
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.

 

Mawu Oyamba

Ndi organic pawiri ndi formula C6H5ClFN. Ndi madzi opanda mtundu okhala ndi fungo lapadera. Zotsatirazi ndizofotokozera za chikhalidwe chake, kugwiritsa ntchito, kukonzekera ndi chitetezo:

 

Chilengedwe:

-Maonekedwe: madzi opanda mtundu

-Kununkhira: Kununkhira kwapadera

-Kuchulukana: 1.36 g/mL

- Malo otentha: 137-139 ℃

-Posungunuka: -4 ℃

-Kusungunuka: Kusakanikirana ndi zosungunulira za organic, pafupifupi zosasungunuka m'madzi.

 

Gwiritsani ntchito:

Amagwiritsidwa ntchito kwambiri popanga organic synthesis ndipo angagwiritsidwe ntchito ngati chothandizira kapena zopangira. Lili ndi ntchito zofunika kwambiri popanga mankhwala ophera tizilombo, mankhwala ndi mankhwala, ndipo amagwiritsidwa ntchito kwambiri popanga mankhwala ophera tizilombo, utoto, zosungunulira, ndi zina zotero.

 

Kukonzekera Njira: Njira yokonzekera

ndizovuta kwambiri. A ambiri kukonzekera njira ndi kupeza 5-chloro -2-oxo -3-methyl pyridine ndi chloro-propionaldehyde anachita kudzera pyridine monga zopangira, ndi kupeza chomaliza mankhwala fluorination anachita.

 

Zambiri Zachitetezo:

Ndi organic pawiri, ndipo zodzitetezera zotsatirazi ziyenera kutsatiridwa mukamagwiritsa ntchito:

-Poizoni amatha chifukwa chokoka mpweya, kukhudza kapena kumeza. Kukhudzana mwachindunji ndi khungu, maso ndi mucous nembanemba kuyenera kupewedwa.

-Valani zida zodzitetezera zoyenera monga magolovesi, magalasi ndi zovala zodzitetezera mukazigwiritsa ntchito.

- Pewani kukhudzana ndi ma oxidants, ma acid amphamvu, maziko amphamvu ndi zinthu zina kuti mupewe kuchita zinthu mosatetezeka.

-Kutayikirako kukakhala koyenera, payenera kuchitidwa njira zotsuka zotayirapo komanso kupewa kulowa mu ngalande ndi chilengedwe.

 

Mukamagwiritsa ntchito pawiri, tengani njira zodzitetezera molingana ndi momwe zilili ndikunena zachitetezo chapagululi.


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