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2 5-DICHLORO-3-PICOLINE (CAS# 59782-88-6)

Chemical Property:

Molecular Formula Mtengo wa C6H5Cl2N
Misa ya Molar 162.02
Kuchulukana 1.319
Melting Point 42-45 ℃
Boling Point 187 ℃
Pophulikira 111 ℃
Kuthamanga kwa Vapor 0.891mmHg pa 25°C
pKa -0.23±0.10(Zonenedweratu)
Mkhalidwe Wosungira M'mlengalenga, Kutentha kwa Zipinda
Refractive Index 1.547

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Zizindikiro Zowopsa T - Zowopsa
Zizindikiro Zowopsa R25 - Poizoni ngati atamezedwa
R36 - Zokhumudwitsa m'maso
Kufotokozera Zachitetezo S26 - Mukakhudza maso, yambani nthawi yomweyo ndi madzi ambiri ndikupempha uphungu wachipatala.
S45 - Pakachitika ngozi kapena ngati simukumva bwino, funsani upangiri wachipatala nthawi yomweyo (onetsani chizindikirocho ngati kuli kotheka.)
Ma ID a UN UN 2811 6.1 / PGIII
WGK Germany 3
Kalasi Yowopsa ZOKWIYA

 

Mawu Oyamba

2,5-Dichloro-3-methylpyridine ndi organic pawiri. Zotsatirazi ndikuyambitsa zina mwazinthu zake, ntchito, njira zopangira ndi chidziwitso chachitetezo:

 

Katundu: 2,5-Dichloro-3-methylpyridine ndi madzi opanda mtundu kapena achikasu omwe amatha kuyaka.

 

Ntchito: 2,5-Dichloro-3-methylpyridine nthawi zambiri imagwiritsidwa ntchito ngati yofunika kwambiri pakupanga organic. Itha kugwiritsidwanso ntchito ngati gawo la zosungunulira, zosungunulira, ndi zothira mafuta.

 

Njira yokonzekera: Pali njira zambiri zokonzera 2,5-dichloro-3-methylpyridine. Njira yodziwika bwino ndiyo kupeza mankhwala apakatikati pochita methylpyridine ndi thionyl chloride, kenako chlorination kuti apange chinthu chomwe mukufuna. Njira zina zokonzekera zimaphatikizapo kuchepetsa ndi chlorine reactions, pakati pa ena.

 

Zambiri zachitetezo: 2,5-dichloro-3-methylpyridine iyenera kugwiritsidwa ntchito poteteza chitetezo. Zimakwiyitsa komanso zimawononga m'maso, pakhungu, komanso m'mapapo ndipo ziyenera kutsukidwa ndi madzi ambiri mukangokumana nazo. Pogwira ntchito, muyenera kuvala zida zoyenera zodzitetezera monga magalasi oteteza, magolovesi ndi zovala zodzitetezera. Onetsetsani malo ogwirira ntchito omwe ali ndi mpweya wabwino komanso kupewa kutulutsa nthunzi yake. Mukasunga, sungani pamalo opanda mpweya, ozizira, owuma, kutali ndi moto ndi okosijeni.


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