3-Bromo-2-methylpyridine (CAS# 38749-79-0)
| Zizindikiro Zowopsa | R22 - Zowopsa ngati zitamezedwa R37/38 - Zokwiyitsa dongosolo la kupuma ndi khungu. R41 - Kuopsa kwa kuwonongeka kwakukulu kwa maso R36/37/38 - Zokwiyitsa maso, kupuma komanso khungu. R20/21/22 - Zowopsa pokoka mpweya, kukhudzana ndi khungu komanso kumeza. |
| Kufotokozera Zachitetezo | S26 - Mukakhudza maso, yambani nthawi yomweyo ndi madzi ambiri ndikupempha uphungu wachipatala. S36/39 - S36 - Valani zovala zoyenera zodzitetezera. S36/37/39 - Valani zovala zodzitchinjiriza zoyenera, magolovesi ndi chitetezo chamaso / kumaso. |
| WGK Germany | 3 |
| HS kodi | 29333990 |
| Kalasi Yowopsa | ZOKWIYA |
Mawu Oyamba
2-methyl-3-bromopyridine ndi organic pawiri. Zotsatirazi ndizofotokozera za katundu, ntchito, njira zokonzekera ndi chidziwitso cha chitetezo cha pawiri:
Ubwino:
2-Methyl-3-bromopyridine ndi madzi opanda mtundu okhala ndi fungo lofanana ndi pyridine.
Gwiritsani ntchito:
2-Methyl-3-bromopyridine nthawi zambiri amagwiritsidwa ntchito ngati reagent komanso apakatikati mu kaphatikizidwe ka organic.
Njira:
Ambiri, yokonza 2-methyl-3-bromopyridine chingapezeke ndi bromination anachita pyridine. Njira yophatikizira yomwe imagwiritsidwa ntchito nthawi zambiri ndikuchita 2-methylpyridine ndi bromine mu zosungunulira za organic monga chloroform, pogwiritsa ntchito sodium hydroxide ngati chothandizira.
Chidziwitso cha Chitetezo: Ndi chinthu chapoizoni chomwe chingayambitse mkwiyo komanso kuwononga kupuma kwamunthu, khungu, ndi maso. Zida zodzitetezera zoyenerera monga magolovesi a mankhwala, magalasi a maso, ndi zovala zodzitetezera ziyenera kuvalidwa pogwiritsira ntchito ndipo kukhudzana mwachindunji kuyenera kupeŵedwa. Panthawi yosungira ndi kusamalira, m'pofunika kumvetsera moto ndi kuwala, ndikuonetsetsa kuti zimasungidwa kutali ndi moto ndi magwero a kutentha. Chofunika kwambiri, tsatirani njira zotetezeka zogwiritsira ntchito mankhwala ndikutsatira malamulo oyenera.
