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mankhwala

2-Bromo-5-nitrobenzoic acid (CAS# 943-14-6)

Chemical Property:

Molecular Formula C7H4BrNO4
Misa ya Molar 246.01
Kuchulukana 2.0176 (kuyerekeza molakwika)
Melting Point 180-181 ° C (kuyatsa)
Boling Point 370.5±32.0 °C(Zonenedweratu)
Pophulikira 177.8°C
Kusungunuka Chloroform, Methanol
Kuthamanga kwa Vapor 3.83E-06mmHg pa 25°C
Maonekedwe Ufa
Mtundu Kuwala kwa beige mpaka bulauni wotuwa
Mtengo wa BRN 980242
pKa 2.15±0.10 (Zonenedweratu)
Mkhalidwe Wosungira Kutentha kwa Zipinda
Refractive Index 1.6200 (chiyerekezo)
MDL Mtengo wa MFCD00134558

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

 

Mawu Oyamba

2-Bromo-5-nitrobenzoic acid ndi organic pawiri ndi mankhwala chilinganizo C7H4BrNO4. Zotsatirazi ndizofotokozera za chikhalidwe chake, kugwiritsa ntchito, kukonzekera ndi chitetezo:

 

Chilengedwe:

- 2-Bromo-5-nitrobenzoic acid ndi kristalo wachikasu wachikasu, wopanda fungo.

-Sisungunuka m'madzi kutentha kwa chipinda, koma sungunuka mu zosungunulira za organic monga ethanol, chloroform ndi dimethyl sulfoxide.

-Imakhala ndi kukhazikika kwina kwake, koma imatha kuchitapo kanthu pakakhala ma oxidants amphamvu.

 

Gwiritsani ntchito:

- 2-Bromo-5-nitrobenzoic acid nthawi zambiri amagwiritsidwa ntchito ngati gawo lapakati pazochita za organic synthesis.

-Imatha kuchitapo kanthu ndi zinthu zina kupanga ma organic compounds atsopano.

- Itha kugwiritsidwanso ntchito pokonzekera utoto wa fulorosenti, mankhwala ophera tizilombo ndi mankhwala opangira mankhwala.

 

Njira:

- 2-Bromo-5-nitrobenzoic acid ikhoza kukonzedwa ndi njira zotsatirazi:

1. asidi benzoic anachita ndi ndende nitric asidi kupeza asidi nitrobenzoic.

2. kuwonjezera bromine kuti achite ndi nitrobenzoic acid pansi pamikhalidwe yoyenera kuti apange 2-Bromo-5-nitrobenzoic acid.

 

Zambiri Zachitetezo:

- 2-Bromo-5-nitrobenzoic acid ndi organic pawiri, ndipo chidwi chiyenera kulipidwa pa kawopsedwe ake.

-Mu ntchito, ayenera kuvala magalasi zoteteza ndi magolovesi, kupewa kukhudzana khungu.

-Umagwira ntchito pamalo olowera mpweya wabwino kuti usapume fumbi kapena mpweya wochokera ku chinthucho.

-Ngati mankhwala osokoneza bongo atengedwa molakwika kapena atakokedwa, funsani dokotala mwamsanga ndikudziwitsa dokotala za vutoli.

- Pewani moto ndi kutentha ndipo sungani pamalo ozizira, owuma.


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