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mankhwala

6-bromopyridine-2-carboxylic acid methyl ester (CAS # 26218-75-7)

Chemical Property:

Molecular Formula C7H6BrNO2
Molar Misa 216.03
Kuchulukana 1.579±0.06 g/cm3(Zonenedweratu)
Melting Point 92-96°C(lit.)
Boling Point 289.7±20.0 °C(Zonenedweratu)
Pophulikira 129.03°C
Kusungunuka sungunuka mu Methanol
Kuthamanga kwa Vapor 0.002mmHg pa 25°C
Maonekedwe Zolimba
Mtundu Choyera mpaka pinki chotumbululuka mpaka bulauni chotumbululuka mpaka chachikasu
pKa -1.03±0.10(Zonenedweratu)
Mkhalidwe Wosungira M'mlengalenga, Kutentha kwa Zipinda
Refractive Index 1.554
MDL Mtengo wa MFCD06203934

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Zizindikiro Zowopsa Xi - Zosangalatsa
Zizindikiro Zowopsa 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.
WGK Germany 3
HS kodi 29333990
Zowopsa Zovulaza / Zokwiyitsa / Zizizira

 

Mawu Oyamba

Methyl ndi mankhwala omwe ali ndi zinthu zotsatirazi:

 

1. Maonekedwe: Ndi madzi achikasu owala opanda mtundu.

2. Chilinganizo cha maselo: C8H7BrNO2.

3. Kulemera kwa molekyulu: 216.05g/mol.

4. Kusungunuka: Kusungunuka mu zosungunulira organic monga ethanol ndi dichloromethane, osasungunuka m'madzi.

5. Malo osungunuka: pafupifupi 26-28 ℃.

 

Ntchito zake zazikulu ndi izi:

 

1. Organic Synthesis: Methyl nthawi zambiri amagwiritsidwa ntchito ngati organic synthesis yapakatikati popanga mitundu yosiyanasiyana yazomera.

2. Kafukufuku wa mankhwala ophera tizirombo: Amagwiritsidwanso ntchito pofufuza mankhwala monga kalambula bwalo wa mankhwala ophera tizilombo.

 

Njira:

 

Methyl L ikhoza kukonzedwa ndi izi:

 

1. Choyamba, 2-picolinic acid (Pyridine-2-carboxylic acid) imakhudzidwa ndi methylisium bromide (methyllitium) kuti ipange 2-methyl-pyridine (Methyl pyridine-2-carboxylate).

2. Kenako, 2-Methyl formate pyridine imachitidwa ndi brominated sulfoxide (Sulfuryl bromide) kuti ipeze methyll.

 

Zambiri Zachitetezo:

 

1. Kusungirako kwa Methyl L kuyenera kuchitidwa pamalo abwino mpweya wabwino, kupewa kuwala kwa dzuwa.

2. Mukamagwiritsa ntchito, muyenera kuvala magolovesi oteteza ndi magalasi, pewani kukhudza khungu ndi maso.

3. M`kati mpheto sayenera inhalation ake nthunzi, ayenera kugwira ntchito bwino podutsa mpweya zasayansi zinthu.

4. Mukakhudzana mwangozi kapena pokoka mpweya, muzimutsuka mwamsanga ndi madzi ambiri ndikupita kuchipatala.


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