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5-Bromopyridine-2-carboxylic acid methyl ester (CAS# 29682-15-3)

Chemical Property:

Molecular Formula C7H6BrNO2
Molar Misa 216.03
Kuchulukana 1.579±0.06 g/cm3(Zonenedweratu)
Melting Point 101-103 ° C
Boling Point 290.9±20.0 °C(Zonenedweratu)
Pophulikira 129.7°C
Kusungunuka kwamadzi Zosungunuka m'madzi.
Kuthamanga kwa Vapor 0.00202mmHg pa 25°C
Maonekedwe Brown crystal
pKa -0.67±0.10(Zonenedweratu)
Mkhalidwe Wosungira M'mlengalenga, Kutentha kwa Zipinda
Refractive Index 1.553
MDL Mtengo wa MFCD04112493

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Zizindikiro Zowopsa Xi - Zosangalatsa
Zizindikiro Zowopsa R36/37/38 - Zokwiyitsa maso, kupuma komanso khungu.
R36 - Zokhumudwitsa m'maso
Kufotokozera Zachitetezo S26 - Mukakhudza maso, yambani nthawi yomweyo ndi madzi ambiri ndikupempha uphungu wachipatala.
S37 - Valani magolovesi oyenera.
HS kodi 29333990

 

Mawu Oyamba

Methyl 5-bromopyridine-2-carboxylate. Zotsatirazi ndizofotokozera za katundu wake, ntchito, njira zopangira ndi chitetezo:

 

Ubwino:

Maonekedwe: Methyl 5-bromopyridine-2-carboxylic acid ndi ufa wa crystalline woyera kapena kristalo.

Kusungunuka: Methyl 5-bromopyridine-2-carboxylic acid imasungunuka mu mowa, ketoni ndi ester organic solvents, ndipo imakhala yosasungunuka m'madzi.

 

Gwiritsani ntchito:

Methyl 5-bromopyridine-2-carboxylic acid nthawi zambiri amagwiritsidwa ntchito ngati gawo lapakati pakupanga organic.

 

Njira:

Njira yokonzekera methyl 5-bromopyridine-2-carboxylic acid nthawi zambiri imachitika ndi izi:

5-bromopyridine ndi anachita ndi anhydrous acetic asidi kupanga 5-bromopyridine-2-sorrelic asidi pa otsika kutentha.

5-bromopyridine-2-soxalic acid idachitidwa ndi methanol kuti ipeze methyl 5-bromopyridine-2-carboxylate.

 

Zambiri Zachitetezo:

Methyl 5-bromopyridine-2-carboxylic acid ndi organic pawiri ndipo ali ndi zoopsa zina. Zida zodzitetezera zoyenera ziyenera kuvala panthawi yogwira ntchito.

Pewani kukhudza khungu, maso, ndi kupuma. Mukakhudzana mwangozi, muzimutsuka nthawi yomweyo ndi madzi ambiri ndikupita kuchipatala mwamsanga.

Iyenera kusungidwa pamalo owuma, opanda mpweya wabwino, kutali ndi moto ndi okosijeni.


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