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

Chemical Property:

Molecular Formula C5H3FN2O2
Molar Mass 142.09 Nws
Qhov ntom 1.439 ± 0.06 g / cm3 (Tshaj tawm)
Melting Point 18 ℃
Boling Point 110 ℃ / 10 hli
Flash Point 103.842 ° C
Dej Solubility Me ntsis soluble hauv dej.
Vapor Siab 0.039mmHg ntawm 25 ° C
Qhov tshwm sim Crystalline hmoov
Xim Daj
pKa -4.47 ± 0.10 (Kev kwv yees)
Kev cia khoom Inert cua, Chav Kub

Product Detail

Khoom cim npe

2-Fluoro-3-nitropyridine yog ib qho organic compound. Cov hauv qab no yog kev qhia txog nws qhov xwm txheej, lub hom phiaj, kev tsim khoom, thiab cov ntaub ntawv kev nyab xeeb:

xwm:
-Cov tsos mob: 2-Fluoro-3-nitropyridine yog xim tsis muaj xim rau daj ntseg daj crystalline hmoov;
-Tau decompose los yog tawg ntawm qhov kub thiab txias.

Lub hom phiaj:
-Nws tuaj yeem siv los ua cov khoom siv hluavtaws rau tshuaj tua kab, dyes, explosives intermediates, thiab lwm yam;
-Nws kuj tuaj yeem siv rau hauv cov tshuaj tiv thaiv kev sib xyaw ua ke, xws li kev hloov pauv thiab cov tshuaj fluorination.

Txoj kev tsim khoom:
-Muaj ntau txoj hauv kev los npaj 2-fluoro-3-nitropyridine, thiab ib qho ntawm cov kev qhia hauv qab no:
1. Reacting 2,3-dibromopyridine nrog nyiaj nitrite kom tau 2-nitro-3-bromopyridine;
2. React 2-nitro-3-bromopyridine nrog hydrogen fluoride nyob rau hauv alkaline tej yam kev mob los tsim 2-fluoro-3-nitropyridine.

Cov ntaub ntawv kev ruaj ntseg:
-2-Fluoro-3-nitropyridine yog ib qho organic compound nrog qee yam tshuaj lom thiab flammability;
-Tsis txhob sib cuag nrog daim tawv nqaij, qhov muag, thiab ua pa;
-Yog noj los yog nqus tau los ntawm qhov yuam kev, nrhiav kev kho mob tam sim ntawd.


  • Yav dhau los:
  • Tom ntej:

  • Sau koj cov lus ntawm no thiab xa tuaj rau peb