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mankhwala

2 5-Difluorobenzoic acid (CAS # 2991-28-8)

Chemical Property:

Molecular Formula C7H4F2O2
Molar Misa 158.1
Kuchulukana 1.3486 (chiyerekezo)
Melting Point 132-134 °C (kuyatsa)
Boling Point 244.7±20.0 °C(Zonenedweratu)
Pophulikira 101.8°C
Kusungunuka kwamadzi Zosasungunuka m'madzi.
Kusungunuka acetone: soluble25mg/mL, yowoneka bwino, yachikasu pang'ono
Kuthamanga kwa Vapor 0.016mmHg pa 25°C
Maonekedwe White crystalline ufa
Mtundu Choyera
Mtengo wa BRN 973351
pKa 2.93±0.10 (Zonenedweratu)
Mkhalidwe Wosungira Osindikizidwa muuma, Kutentha Kwapachipinda
MDL Mtengo wa MFCD00002410
Zakuthupi ndi Zamankhwala White ufa

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.
S37/39 - Valani magolovesi oyenera komanso chitetezo chamaso / kumaso
WGK Germany 3
HS kodi 29163990
Kalasi Yowopsa ZOKWIYA

 

Mawu Oyamba

2,5-Difluorobenzoic acid.

Kusungunuka: 2,5-difluorobenzoic acid imakhala ndi kusungunuka kochepa m'madzi komanso kusungunuka kwabwino mu zosungunulira za organic monga ethanol ndi dimethylformamide.

Acidic: Ndi chinthu cha acidic chomwe chimakhudzidwa ndi kupanga mchere ndi esters ofanana.

 

2,5-Difluorobenzoic acid ili ndi ntchito zina zofunika m'makampani, kuphatikiza:

 

Mankhwala ophera tizilombo: amatha kugwiritsidwa ntchito ngati zopatsirana popanga mankhwala ena ophera tizilombo, monga oxalic acid herbicides.

Kaphatikizidwe ka utoto: Zinthu zomwe zingagwiritsidwe ntchito popanga utoto wina wake.

 

Njira yokonzekera 2,5-difluorobenzoic acid imatha kuchitidwa motere:

 

Choyamba, maatomu awiri a haidrojeni mu benzoic acid amasinthidwa ndi maatomu a fluorine pogwiritsa ntchito fluorinating agent kuti apeze 2,5-difluorobenzoic acid.

 

Mukamagwiritsa ntchito 2,5-difluorobenzoic acid, muyenera kusamala kuti musamalire zambiri zachitetezo:

 

Pewani kupuma movutikira: Kupewa kwa nthawi yayitali kapena kutulutsa mpweya wa 2,5-difluorobenzoic acid ufa kapena mpweya kuyenera kupewedwa kupewa kuwonongeka kwa njira yopuma ndi mapapo.

Kukhudza m’maso ndi pakhungu: Muzitsuka mwamsanga ndi madzi ambiri ngati mukhudza maso kapena khungu.

Kugwiritsa ntchito zida zodzitetezera: Magalavu odzitetezera oyenera, magalasi, ndi zovala zodzitetezera ayenera kuvala pogwira 2,5-difluorobenzoic acid.

Chenjezo losungirako: 2,5-difluorobenzoic acid ziyenera kusungidwa pamalo owuma, mpweya wabwino, kupewa kukhudzana ndi zinthu zoyaka, komanso kutali ndi moto.

 


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