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sehlahisoa

2-Fluoro-3-nitropyridine (CAS# 1480-87-1)

Thepa ea Lik'hemik'hale:

Foromo ea limolek'hule C5H3FN2O2
'Misa oa Molar 142.09
Botenya 1.439±0.06 g/cm3(E boletsoeng esale pele)
Melting Point 18℃
Boling Point 110 ℃/10 limilimithara
Flash point 103.842°C
Ho qhibiliha ha Metsi E qhibiliha hanyane ka metsing.
Khatello ea Mouoane 0.039mmHg ho 25°C
Ponahalo Phofo ea kristale
Mmala Bosehla
pKa -4.47±0.10(E boletsoeng esale pele)
Boemo ba polokelo Boemo bo sa tsitsang, Mocheso oa Kamore

Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

2-Fluoro-3-nitropyridine ke motsoako oa lintho tse phelang. Se latelang ke selelekela sa sebopeho sa eona, sepheo, mokhoa oa tlhahiso, le tlhaiso-leseling ea polokeho:

tlhaho:
-Ponahalo: 2-Fluoro-3-nitropyridine ke phofo e se nang mebala ho ea mosehla o mosehla oa kristale;
- E ka bola kapa ea phatloha ka mocheso o phahameng.

Morero:
-E ka sebelisoa e le thepa e tala ea maiketsetso bakeng sa chefo e bolaeang likokoanyana, dae, li-explosive intermediates, joalo-joalo;
-E ka boela ea sebelisoa ho karabelo ea organic synthesis, joalo ka karabelo ea substitution le karabelo ea fluorination.

Mokhoa oa tlhahiso:
-Ho na le mekhoa e mengata ea ho lokisetsa 2-fluoro-3-nitropyridine, 'me e' ngoe ea mekhoa e tloaelehileng e hlahisoa ka tlase:
1. Ho itšoara ka 2,3-dibromopyridine ka nitrite ea silevera ho fumana 2-nitro-3-bromopyridine;
2. Etsa 2-nitro-3-bromopyridine ka hydrogen fluoride tlas'a maemo a alkaline ho hlahisa 2-fluoro-3-nitropyridine.

Lintlha tsa ts'ireletso:
-2-Fluoro-3-nitropyridine ke motsoako oa manyolo o nang le chefo e itseng le ho chesa;
- Qoba ho kopana le letlalo, mahlo le pampiri ea ho hema;
-Haeba o ka nooa kapa o hema ka phoso, batla thuso ea bongaka hang-hang.


  • E fetileng:
  • E 'ngoe:

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