4-Bromo-2-methylpyridine (CAS# 22282-99-1)
| Koodu ihe egwu | R22 - na-emerụ ma ọ bụrụ na iloro ya R37 / 38 - na-akpasu iwe na usoro iku ume na akpụkpọ ahụ. R41 - Ihe ize ndụ nke mmebi anya dị njọ R36 / 37/38 - na-akpasu iwe na anya, usoro iku ume na akpụkpọ ahụ. R20/21/22 - na-emerụ ahụ site na iku ume, na kọntaktị na akpụkpọ ahụ ma ọ bụrụ na loro ya. |
| Nkọwapụta nchekwa | S26 - N'ihe banyere kọntaktị na anya, kpochaa ozugbo na ọtụtụ mmiri ma chọọ ndụmọdụ ahụike. S36/39 - S36 - Yiri uwe nchebe kwesịrị ekwesị. |
| NJ UN | NA 1993 / PGIII |
| WGK Germany | 3 |
| Koodu HS | 29333990 |
| Klas Hazard | Iwe |
Okwu mmalite
2-Methyl-4-bromopyridine bụ ngwakọta organic. Ihe na-esonụ bụ mmalite nke njirimara, ojiji, ụzọ nkwadebe na ozi nchekwa nke 2-methyl-4-bromopyridine:
Ogo:
2-Methyl-4-bromopyridine bụ ihe siri ike na-acha odo odo na-enweghị isi.
- 2-Methyl-4-bromopyridine fọrọ nke nta ka ọ ghara ịsacha ya na mmiri mana ọ na-agbaze na ihe mgbaze organic.
Jiri:
- 2-Methyl-4-bromopyridine nwere ike iji dị ka akụrụngwa na reagent na organic njikọ.
Usoro:
Enwere ike nweta 2-Methyl-4-bromopyridine site na imeghachi methanol 2-methyl-4-pyridine na phosphorus tribromide.
- N'oge mmeghachi omume ahụ, a na-agbakwunye 2-methyl-4-pyridine methanol na phosphorus tribromide na arịa mmeghachi omume, ngwakọta mmeghachi omume na-ekpo ọkụ, mgbe ahụ, 2-methyl-4-bromopyridine dị ọcha site na distillation na ụzọ ndị ọzọ.
Ozi nchekwa:
- 2-Methyl-4-bromopyridine nwere ike ime ka iwe nke anya, akpụkpọ ahụ, na traktị iku ume na ekwesịrị izere ya mgbe ejiri ya.
- Yiri anya nchebe, uwe aka na mkpuchi iku ume mgbe ị na-eji.
- Ọ bụ ihe na-egbu egbu na ekwesịrị ịchekwa ya nke ọma ma debe ya pụọ na isi ọkụ na ihe ndị na-eme ihe na-ekpo ọkụ.
- Ọ bụrụ na 2-methyl-4-bromopyridine kuru ma ọ bụ rie ya, chọọ nlekọta ahụike ozugbo.
