3-BROMO-4-METHOXY-PYRIDINE(CAS# 82257-09-8)
| Hazard Symbols | Xn – Zvinokuvadza |
| Risk Codes | R22 – Zvinokuvadza kana ikamedzwa R37/38 - Inogumbura kune yekufema system uye ganda. R41 - Njodzi yekukuvara kwakakomba kwemaziso |
| Tsanangudzo Yekuchengetedza | S26 – Kana wasangana nemaziso, sukurudza nekukurumidza nemvura yakawanda uye tsvaga mazano ekurapwa. S39 - Pfeka dziviriro yeziso / kumeso. |
Nhanganyaya
3-bromo-4-methoxypyridine is organic compound ine kemikari formula yeC6H6BrNO uye molecular weight ye 188.03. Inotevera rondedzero yehunhu hwayo, kushandiswa, kugadzirira uye ruzivo rwekuchengetedza:
Zvakasikwa:
1. Kuonekwa: 3-bromo-4-methoxypyridine ichiedza chero kusvika kune yero yakasimba.
2. solubility: soluble in organic solvents senge ether uye chlorinated hydrocarbons, isinganyunguriki mumvura.
3. nzvimbo yakanyungudika: inenge 50-53 ℃.
4. density: inenge 1.54 g/cm.
Shandisa:
3-bromo-4-methoxypyridine inokosha organic synthesis yepakati, inowanzoshandiswa mukugadzirwa kwemishonga yezvipembenene, mishonga yemishonga uye mamwe maitiro ehupenyu. Iine huwandu hwakawanda hwekushandisa mumunda wemakemikari ekutsvaga uye mushonga.
Kugadzirira nzira:
3-bromo-4-methoxypyridine inowanzogadzirwa nematanho anotevera:
1. 2-bromo-5-nitropyridine inobatwa nemethanol kuti iwane 2-methoxy-5-nitropyridine.
2. 2-methoxy-5-nitropyridine inobata ne cuprous bromide yakagadzirwa ne sulfuric acid kuti iwane 3-bromo-4-methoxypyridine.
Zvekuchengetedza
1. 3-bromo-4-methoxypyridine inogumbura uye inofanira kudzivisa kusangana neganda, maziso uye nzira yekufema.
2. mukubata nekushandisa, anofanira kupfeka midziyo yekuzvidzivirira nayo yakakodzera, yakadai semagirovhosi nemagirazi ekudzivirira.
3. Kuchengetedza kunofanira kudzivirira kusangana neoxidants uye yakasimba acids, uye chengetedza mudziyo wakavharwa.
4. Pasi pekushandiswa kwakanaka uye mamiriro ekuchengetedza, 3-bromo-4-methoxypyridine ikemikari yakachengeteka, asi ichiri kuda kushandiswa nekuchenjerera.
