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mankhwala

2 2-Difluorobenzodioxole-5-carboxylic acid (CAS# 656-46-2)

Chemical Property:

Molecular Formula C8H4F2O4
Misa ya Molar 202.11
Kuchulukana 1.66±0.1 g/cm3(Zonenedweratu)
Melting Point 178
Boling Point 266.1±40.0 °C(Zonenedweratu)
Pophulikira 114.7°C
Kusungunuka DMSO (Pang'ono), Methanol (Pang'ono)
Kuthamanga kwa Vapor 0.0044mmHg pa 25°C
Maonekedwe Zolimba
Mtundu White mpaka Off-White
pKa 4.01±0.40 (Zonenedweratu)
Mkhalidwe Wosungira Pansi pa mpweya wa inert (nayitrogeni kapena Argon) pa 2-8 ° C
MDL Chithunzi cha MFCD00792417

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Zizindikiro Zowopsa R36/37/38 - Zokwiyitsa maso, kupuma komanso khungu.
R22 - Zowopsa ngati zitamezedwa
Kufotokozera Zachitetezo S26 - Mukakhudza maso, yambani nthawi yomweyo ndi madzi ambiri ndikupempha uphungu wachipatala.
S36 - Valani zovala zoyenera zodzitetezera.
Zowopsa Zokwiyitsa

 

Mawu Oyamba

2,2-Difluoro-1, asidi ndi organic pawiri. Nazi zina za izo:

 

Katundu: 2,2-Difluoro-1, fluorid ndi yoyera yolimba. Maselo ake ndi C9H4F2O4 ndipo kulemera kwake ndi 200.12g/mol. Ndiwokhazikika kutentha kwa chipinda ndipo imakhala ndi kusungunuka kochepa.

 

Ntchito: 2,2-Difluoro-1, ntchito ngati zopangira ndi reagent mu kafukufuku mankhwala ndi kaphatikizidwe organic. Itha kugwiritsidwa ntchito popanga zinthu zina organic, monga mankhwala intermediates, mankhwala ndi utoto.

 

Njira yokonzekera: 2,2-Difluoro-1, njira yokonzekera ya asidi ndi yovuta kwambiri. Njira yomwe imagwiritsidwa ntchito kwambiri pokonzekera imapezedwa ndi okosijeni wa benzodioxene, kutsatiridwa ndikuchita ndi fluorinating agent pansi pamikhalidwe yoyenera kuyambitsa atomu ya fluorine.

 

Chidziwitso chachitetezo: Pakadali pano, pali chidziwitso chochepa chachitetezo chokhudza 2,2-Difluoro-1, UV acid. Sizinaphunziridwe mozama, kotero kuti poizoni wake ndi zoopsa zake sizikumveka bwino. Pa ntchito, m`pofunika kutsatira ambiri mankhwala zasayansi njira chitetezo kuonetsetsa ntchito otetezeka, ndi kupewa inhalation, kukhudzana ndi khungu ndi maso. Musanagwiritse ntchito, tikulimbikitsidwa kuti timvetsetse pepala lachitetezo chapawiri mwatsatanetsatane ndikutengera njira zodzitetezera potengera kuwunika kwake.


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