2-Bromo-5-nitropyridine (CAS# 4487-59-6)
| Zizindikiro Zowopsa | R25 - Poizoni ngati atamezedwa R41 - Kuopsa kwa kuwonongeka kwakukulu kwa maso |
| Kufotokozera Zachitetezo | S26 - Mukakhudza maso, yambani nthawi yomweyo ndi madzi ambiri ndikupempha uphungu wachipatala. S39 - Valani chitetezo chamaso / kumaso. 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 |
Mawu Oyamba
2-Bromo-5-nitropyridine ndi organic pawiri ndi mankhwala formula C5H3BrN2O2. Zotsatirazi ndizofotokozera za chikhalidwe chake, kugwiritsa ntchito, kukonzekera ndi chitetezo:
Chilengedwe:
2-Bromo-5-nitropyridine ndi cholimba choyera chokhala ndi kukoma pang'ono kwa oxalic acid. Lili ndi kukhazikika kwapamwamba kwa kutentha ndi mankhwala. Kusungunuka pang'ono m'madzi kutentha kwa chipinda, kusungunuka mu zosungunulira za organic monga ethanol ndi acetone.
Gwiritsani ntchito:
2-Bromo-5-nitropyridine ili ndi ntchito zambiri. Ndi zofunika zopangira ndi wapakatikati mu organic synthesis. Itha kugwiritsidwa ntchito popanga mankhwala ophera tizilombo, utoto, zinthu zowoneka bwino komanso zopangira mankhwala. Kuphatikiza apo, itha kugwiritsidwanso ntchito ngati chothandizira komanso ngati ligand.
Njira Yokonzekera:
2-Bromo-5-nitropyridine kaphatikizidwe njira makamaka zotsatirazi:
1. 2-bromopyridine ndi nitric acid anachita pansi acidic zinthu.
2. ndi 3-bromopyridine ndi sodium nitrite anachita pansi zamchere.
Zambiri Zachitetezo:
2-Bromo-5-nitropyridine ndi mankhwala oopsa omwe ali ndi zoopsa zina. Samalani njira zotsatirazi zodzitetezera mukamagwiritsa ntchito ndikusunga:
1. Pewani mpweya wa fumbi kapena nthunzi, uyenera kukhala pamalo odutsa mpweya wabwino kuti ugwire ntchito.
2. kupewa kukhudzana ndi khungu, maso ndi mucous zimagwira ntchito zosiyanasiyana, monga kukhudzana ayenera yomweyo muzimutsuka ndi madzi ambiri, ndi kupempha thandizo lachipatala.
3. tcherani khutu ku njira zopewera moto ndi kuphulika, pewani kukhudzana ndi zinthu zoyaka moto.
4. Sungani mu chidebe chosindikizidwa, kutali ndi moto ndi okosijeni.
5. Tayani molingana ndi malamulo amderalo kuti mupewe kutulutsa mwachindunji ku chilengedwe.
Chidule:
2-Bromo-5-nitropyridine ndi organic pawiri ndi osiyanasiyana ntchito. Komabe, chifukwa cha kawopsedwe kake, ndikofunikira kulabadira ntchito yotetezeka, kusungidwa koyenera komanso kutaya zinthu zotsalira.
