3-BROMO-4-METHOXY-PYRIDINE(CAS# 82257-09-8)
| Iimpawu ezinobungozi | Xn – Iyingozi |
| Iikhowudi zoMngcipheko | I-R22 – Iyingozi xa iginyiwe I-R37/38 – Iyacaphukisa inkqubo yokuphefumla kunye nolusu. I-R41 – Umngcipheko womonakalo omkhulu emehlweni |
| Inkcazelo yoKhuseleko | S26 – Xa udibana namehlo, hlambulula ngokukhawuleza ngamanzi amaninzi kwaye ufune iingcebiso zonyango. S39 –Nxiba ukhuseleko lwamehlo / ubuso. |
Intshayelelo
I-3-bromo-4-methoxypyridine i-organic compound kunye ne-chemical formula ye-C6H6BrNO kunye ne-molecular weight ye-188.03. Oku kulandelayo yinkcazo yobume bayo, ukusetyenziswa, ukulungiswa kunye nolwazi lokhuseleko:
Indalo:
1. Imbonakalo: I-3-bromo-4-methoxypyridine i-tyheli ekhanyayo ukuya kwi-yellow solid.
2. ukunyibilika: ukunyibilika kwizinyibilikisi eziphilayo ezifana ne-ether kunye ne-chlorinated hydrocarbons, enganyibilikiyo emanzini.
3. indawo yokunyibilika: malunga ne-50-53 ℃.
4. Ubuninzi: malunga ne-1.54 g / cm.
Sebenzisa:
I-3-bromo-4-methoxypyridine yinto ebalulekileyo ye-organic synthesis intermediate, esetyenziswa ngokuqhelekileyo kwi-synthesis ye-pesticides, i-pharmaceuticals kunye nezinye izinto eziphilayo. Inoluhlu olubanzi lwezicelo kwinkalo yophando lweekhemikhali kunye neyeza.
Indlela yokulungiselela:
I-3-bromo-4-methoxypyridine iqhele ukwenziwa ngala manyathelo alandelayo:
1. I-2-bromo-5-nitropyridine iphendulwa kunye ne-methanol ukufumana i-2-methoxy-5-nitropyridine.
2. I-2-methoxy-5-nitropyridine iphendula nge-cuprous bromide elungiselelwe nge-asidi ye-sulfuric ukufumana i-3-bromo-4-methoxypyridine.
Ulwazi ngoKhuseleko:
1. I-3-bromo-4-methoxypyridine iyacaphukisa kwaye kufuneka igweme ukudibanisa nolusu, amehlo kunye nomgudu wokuphefumula.
2. ekuphatheni nasekusebenziseni, kufuneka anxibe izixhobo ezifanelekileyo zokuzikhusela, ezinjengeeglavu neendondo zokuzikhusela.
3. Ukugcinwa kufuneka kuthintele ukudibana nee-oxidants kunye ne-acids ezomeleleyo, kwaye ugcine isikhongozeli sivaliwe.
4. Ngaphantsi kokusetyenziswa ngokufanelekileyo kunye neemeko zokugcina, i-3-bromo-4-methoxypyridine yinto ekhuselekileyo yeekhemikhali, kodwa kusafuneka iqhutywe ngokuqaphela.
