tsamba_banner

mankhwala

2-Bromo pyridine (CAS# 109-04-6)

Chemical Property:

Molecular Formula Mtengo wa C5H4BrN
Molar Misa 158
Kuchulukana 1.657 g/mL pa 25 °C (kuyatsa)
Melting Point 193 ° C
Boling Point 192-194 ° C (kuyatsa)
Pophulikira 130 ° F
Kusungunuka kwamadzi Kusakanikirana pang'ono ndi madzi.
Kusungunuka 20g/l
Kuthamanga kwa Vapor 0.784mmHg pa 25°C
Maonekedwe Madzi
Mtundu Choyera chopanda mtundu mpaka bulauni
Mtengo wa BRN 105789
pKa pK1: 0.71(+1) (25°C)
Mkhalidwe Wosungira Sungani pamalo amdima, Osindikizidwa owuma, Kutentha kwachipinda

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Chiyambi chachidule
2-Bromopyridine ndi organic pawiri. Zotsatirazi ndizofotokozera za chikhalidwe chake, ntchito, njira yokonzekera ndi chidziwitso cha chitetezo:

Ubwino:
- 2-Bromopyridine ndi madzi opanda mtundu mpaka achikasu okhala ndi kununkhira kwapadera.
- 2-Bromopyridine imasungunuka pang'ono m'madzi, koma osati kusungunuka komanso kusungunuka mosavuta mu zosungunulira za organic monga ethanol ndi ether.

Gwiritsani ntchito:
- 2-Bromopyridine ndi reagent yomwe imagwiritsidwa ntchito kwambiri pakupanga organic synthesis. Amagwiritsidwa ntchito ngati chothandizira, ligand, intermediate, etc.

Njira:
- 2-Bromopyridine ikhoza kukonzedwa ndi njira ziwiri zazikulu:
1. Pa kutentha kwa firiji, bromine imakonzedwa ndikuchita ndi pyridine.
2. Ethyl bromoketone ndi pyridine reaction amagwiritsidwa ntchito kupeza 2-bromopyridine.

Zambiri Zachitetezo:
- 2-Bromopyridine ndi gulu la organohalogen lomwe lili ndi kawopsedwe kena. Kuyang'ana kapena kuukoka kutha kuwononga thanzi la munthu.
- Mukamagwiritsa ntchito, valani zida zodzitetezera zoyenera monga magolovesi, magalasi, ndi zovala zodzitetezera.
- Zisungidwe kutali ndi zinthu zomwe zingapse ndi moto komanso kutentha kwambiri ndikusungidwa pamalo ozizira komanso mpweya wabwino.
- Potaya zinyalala zimayenera kutayidwa motsatira malamulo ndi malamulo a mderalo pofuna kupewa kuwononga chilengedwe.
- Musanagwiritse ntchito 2-bromopyridine, onetsetsani kuti mwawerenga ndikutsata zidziwitso zachitetezo chamankhwala ndi malangizo ogwiritsira ntchito.


  • Zam'mbuyo:
  • Ena:

  • Lembani uthenga wanu apa ndikutumiza kwa ife