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mankhwala

2-Mercaptonicotinic acid (CAS# 38521-46-9)

Chemical Property:

Molecular Formula C6H5NO2S
Molar Misa 155.17
Kuchulukana 1.357 (chiyerekezo)
Melting Point 263-265°C(kuyatsa)
Boling Point 295.3±50.0 °C(Zonenedweratu)
Pophulikira 98.3°C
Kuthamanga kwa Vapor 0.00727mmHg pa 25°C
Maonekedwe Yellow powder
Mtundu yellow
Mtengo wa BRN 119029
pKa 1.98±0.20 (Zonenedweratu)
Mkhalidwe Wosungira M'mlengalenga, Kutentha kwa Zipinda
Zomverera Zosamva mpweya
Refractive Index 1.5380 (chiyerekezo)
MDL Chithunzi cha MFCD00010102
Zakuthupi ndi Zamankhwala
malo osungunuka 270 ° C
Gwiritsani ntchito Amagwiritsidwa ntchito ngati Pharmaceutical Intermediate

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
FLUKA BRAND F CODES 10-23
TSCA Inde
HS kodi 29309090
Kalasi Yowopsa ZOKWIYA

 

Mawu Oyamba

2-mercapto-3-pyridylcarboxylic acid ndi organic pawiri. Zotsatirazi ndizofotokozera za katundu wake, ntchito, njira zopangira ndi chitetezo:

 

Ubwino:

- Maonekedwe: 2-mercapto-3-pyrolinic acid ndi yopanda utoto mpaka crystalline yachikasu kapena yolimba.

- Kumva kununkhiza: kumakhala ndi fungo lapadera.

- Kusungunuka: Kusungunuka m'madzi, ethanol ndi chloroform.

 

Gwiritsani ntchito:

- Itha kugwiritsidwa ntchito ngati kukonzekera mankhwala opha maantibayotiki, zosungunulira pamodzi, ndi ma complexing agents.

 

Njira:

2-mercapto-3-pyrolicarboxylic acid ikhoza kukonzedwa ndi:

- Balinomycin imakumana ndi carbamate kupereka mercapto-picolinate.

- Esterification reaction: mercapto-picolinate imayendetsedwa ndi alkyd acid kuti ipeze 2-mercapto-3-pyridylcarboxylic acid.

 

Zambiri Zachitetezo:

- 2-mercapto-3-picolinic acid imakwiyitsa. Mukangokhudza khungu ndi maso, muzimutsuka ndi madzi ambiri.

- Kukoka mpweya wa fumbi kapena nthunzi kuyenera kupewedwa pakagwira ntchito kuti pakhale mpweya wabwino.

- Magolovesi oteteza, magalasi ndi chigoba choteteza ndizofunikira kuti mugwiritse ntchito.

- Zikachitika mwangozi kapena mwangozi, pitani kuchipatala mwachangu ndikupatseni chidziwitso chofunikira.


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