2-Bromo-3-methyl-5-chloropyridine (CAS# 65550-77-8)
| Zizindikiro Zowopsa | R36/37/38 - Zokwiyitsa maso, kupuma komanso khungu. R41 - Kuopsa kwa kuwonongeka kwakukulu kwa maso R37/38 - Zokwiyitsa dongosolo la kupuma ndi khungu. R22 - Zowopsa ngati zitamezedwa |
| Kufotokozera Zachitetezo | S37/39 - Valani magolovesi oyenera komanso chitetezo chamaso / kumaso S26 - Mukakhudza maso, yambani nthawi yomweyo ndi madzi ambiri ndikupempha uphungu wachipatala. S39 - Valani chitetezo chamaso / kumaso. |
Mawu Oyamba
2-Bromo-5-chloro-3-picoline ndi organic pawiri ndi mankhwala chilinganizo C7H6BrClN. Zotsatirazi ndizofotokozera za katundu, ntchito, kukonzekera ndi chitetezo cha pawiri:
Chilengedwe:
-Maonekedwe: 2-Bromo-5-chloro-3-picoline ndi madzi opanda mtundu kapena achikasu pang'ono.
-Kusungunuka: Kusungunuka mu zosungunulira zambiri za organic, monga ethanol, dimethylformamide ndi chloroform.
- Malo osungunuka ndi malo owira: Malo osungunuka a pawiri ndi -35 ° C, ndipo malo owira ndi pafupifupi 205-210 ° C.
Gwiritsani ntchito:
- 2-Bromo-5-chloro-3-picoline ingagwiritsidwe ntchito ngati zoyambira kapena zapakatikati mu kaphatikizidwe ka organic, ndipo ingagwiritsidwe ntchito popanga zinthu zina, monga mankhwala ophera tizilombo ndi mankhwala.
- Amagwiritsidwanso ntchito kwambiri mu synthetic intermediates, polychlorinated biphenyls, polybrominated biphenyls ndi inki.
Njira Yokonzekera:
- 2-Bromo-5-chloro-3-picoline nthawi zambiri imakonzedwa ndi bromination ndi chlorination ya 3-picoline. Choyamba, 3-methylpyridine imachitidwa ndi hydrogen bromide kuti ipeze 2-bromo-5-methylpyridine, ndiyeno mankhwalawa amachitidwa ndi chitsulo chothandizira chloride kuti apeze mankhwala omwe akugwiritsidwa ntchito.
Zambiri Zachitetezo:
- 2-Bromo-5-chloro-3-picoline nthawi zambiri sizivulaza kwambiri pakagwiritsidwe ntchito bwino. Komabe, zingakhale zokwiyitsa m'maso, khungu ndi kupuma thirakiti, choncho chisamaliro chiyenera kutengedwa kuti tipewe kukhudzana mwachindunji.
-Gwiritsani ntchito ndi zida zodzitetezera zoyenera, monga magolovesi amankhwala, magalasi ndi zishango zakumaso.
-Njira zabwino za labotale ziyenera kutsatiridwa pakagwiritsidwe ntchito komanso mpweya wabwino uyenera kusamalidwa.
-Pewani kukhudzana ndi ma oxidants amphamvu komanso ma acid amphamvu mukamagwira ndikusunga.
