2-Amino-5-nitropyridine CAS 4214-76-0 e tsoa ho nitration ea 2-aminopyridine. Ka mocheso oa 50 ° C, 2-aminopyridine e ile ea eketsoa ho sulfuric acid, 'me ka mor'a moo, nitric acid e fuming e ile ea eketsoa ka ho theoha,' me mocheso ha oa ka oa feta 50 ° C. E futhumala ka 45°C bakeng sa 2h, 'me u tsose mocheso oa kamore bakeng sa 4h. Tharollo ea karabelo e ile ea tšeloa ka leqhoa le pshatlehileng, 'me pH e fetotsoe ho 6 ka ho eketsa metsi a ammonia ka tlase ho 5 ° C,' me likristale li ile tsa theoha. Sefa le ho omisa. Recrystallization ka metsi ho fumana liplatelete tse mosehla, li hlahisa 75%
Believe Chemical ke moetsi ea ka sehloohong oa China 2-Amino-5-nitropyridine CAS 4214-76-0, mofani oa thepa le kantle ho naha. Ho khomarela ho lelekisa boleng bo phethahetseng ba lihlahisoa, e le hore 2-Amino-5-nitropyridine CAS 4214-76-0 ea rona e khotsofatsoe ke bareki ba bangata. Shandong Dumela
Re hantle melemo ea lihlahisoa tsa lik'hemik'hale tšimong. Lihlahisoa tsa rona li romeloa linaheng tse ling ho ea Europe, United States, Japane, Korea Boroa, Asia Boroa-bochabela le linaheng tse ling le libaka. Ka saense le thekenoloji e le tataiso, botšepehi e le motheo, boleng e le bophelo, 'me ho itšetlehile ka khopolo ea khoebo ea popontshwa le ntshetsopele, re tšepa ka tieo ho theha phapanyetsano le tšebelisano e pharaletseng le bareki ba malapeng le ba tsoang linaheng tse ling ho theha nala!
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Lebitso la Sehlahiswa |
2-Amino-5-nitropyridine |
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Foromo |
C5H5N3O2 |
Boima ba Molek'hule |
139.11 |
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CAS NO. |
4214-76-0 |
Bongata |
500KG |
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Lintho |
Tlhaloso |
Liphetho |
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Ponahalo |
Bosehla |
E lumellana |
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Tlhahlobo |
99% | 99.28% |
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TS'ELISO |
Sephetho se lumellana le maemo |
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Sebaka se qhibilihang ke 186-188°C (lit.)
Sebaka se belang 255.04°C (karolelano)
Density 1.4551 (karolelano)
Refractive index 1.5900 (khakanyo)
Sebaka se phatsimang ke 224°(435°F)
Maemo a polokelo Keepindarkplace, Inertatmosphere, Roomtemperature
Sollubility 1.6g/l
MorphologyCrystallinePowder
Acidity coefficient (pKa) 2.82±0.13 (E boletsoeng esale pele)
'Mala o mosehla
Sensitivity LightSensitive
2-Amino-5-nitropyridine e sebelisoa ho organic synthesis,
