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4-Fluoro-2-nitrobenzoic acid (CAS# 394-01-4)

Chemical Property:

Molecular Formula C7H4FNO4
Molar Misa 185.11
Kuchulukana 1.568±0.06 g/cm3(Zonenedweratu)
Melting Point 140-145 ° C (kuyatsa)
Boling Point 343.8±27.0 °C(Zonenedweratu)
Pophulikira 161.7°C
Kusungunuka sungunuka mu Methanol
Kuthamanga kwa Vapor 2.63E-05mmHg pa 25°C
Maonekedwe Yellow crystalline ufa
Mtundu Kuyera mpaka Kuwala kwachikasu
pKa 2.14±0.25(Zonenedweratu)
Mkhalidwe Wosungira Osindikizidwa muuma, Kutentha Kwapachipinda
Refractive Index 1.588
MDL Mtengo wa MFCD00024300

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.
S36/37/39 - Valani zovala zodzitchinjiriza zoyenera, magolovesi ndi chitetezo chamaso / kumaso.
S37 - Valani magolovesi oyenera.
WGK Germany 3
HS kodi 29163990
Kalasi Yowopsa ZOKWIYA

 

Mawu Oyamba

2-nitro-4-fluorobenzoic acid ndi organic pawiri. Zotsatirazi ndizofotokozera za chikhalidwe chake, ntchito, njira yokonzekera ndi chidziwitso cha chitetezo:

 

Ubwino:

- Maonekedwe: 2-nitro-4-fluorobenzoic acid ndi yopanda mtundu kapena yachikasu yolimba.

- Kusungunuka: kusungunuka mu zosungunulira zina monga ethanol ndi methylene chloride, kusungunuka pang'ono m'madzi.

 

Gwiritsani ntchito:

- 2-Nitro-4-fluorobenzoic acid nthawi zambiri amagwiritsidwa ntchito ngati wapakatikati mu kaphatikizidwe ka organic kaphatikizidwe kazinthu zina.

 

Njira:

- Kukonzekera kwa 2-nitro-4-fluorobenzoic acid nthawi zambiri kumapezeka ndi nitrification. Njira imodzi yotheka ndikuchitapo 2-bromo-4-fluorobenzoic acid ndi nitric acid. Zomwe zimachitikazo ziyenera kuphatikizidwa ndi zochitika zoyenera komanso zolimbikitsa.

 

Zambiri Zachitetezo:

- 2-Nitro-4-fluorobenzoic acid ndi organic pawiri kuti ndi poizoni ndi mkwiyo. Kukumana ndi kapena kutulutsa mpweya wambiri wamafuta kumatha kuwononga thanzi.

- Njira zoyenera zotetezera ziyenera kuchitidwa pogwira, kusunga ndi kunyamula, kuphatikizapo kuvala magolovesi otetezera ndi magalasi.

- Pewani kukhudzana ndi oxidizing amphamvu ndi zinthu zoyaka moto kuteteza moto kapena kuphulika.

 


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