3-BROMO-4-METHOXY-PYRIDINE(CAS# 82257-09-8)
| Awọn aami ewu | Xn – ipalara |
| Awọn koodu ewu | R22 – Ipalara ti o ba gbe R37 / 38 - Irritating si eto atẹgun ati awọ ara. R41 - Ewu ti pataki ibaje si oju |
| Apejuwe Abo | S26 - Ni ọran ti olubasọrọ pẹlu awọn oju, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ki o wa imọran iṣoogun. S39 - Wọ oju / aabo oju. |
Ọrọ Iṣaaju
3-bromo-4-methoxypyridine jẹ agbo-ara Organic pẹlu agbekalẹ kemikali ti C6H6BrNO ati iwuwo molikula ti 188.03. Atẹle ni apejuwe ti iseda rẹ, lilo, igbaradi ati alaye ailewu:
Iseda:
1. Irisi: 3-bromo-4-methoxypyridine jẹ awọ-awọ-awọ-awọ-ofeefee si awọ-ofeefee.
2. solubility: tiotuka ni awọn ohun elo ti o wa ni erupẹ bi ether ati chlorinated hydrocarbons, insoluble in water.
3. yo ojuami: nipa 50-53 ℃.
4. iwuwo: nipa 1,54 g / cm.
Lo:
3-bromo-4-methoxypyridine jẹ agbedemeji iṣelọpọ Organic pataki, ti a lo nigbagbogbo ni iṣelọpọ ti awọn ipakokoropaeku, awọn oogun ati awọn agbo ogun Organic miiran. O ni ọpọlọpọ awọn ohun elo ni aaye ti iwadii kemikali ati oogun.
Ọna Igbaradi:
3-bromo-4-methoxypyridine jẹ iṣelọpọ gbogbogbo nipasẹ awọn igbesẹ wọnyi:
1. 2-bromo-5-nitropyridine ti ṣe atunṣe pẹlu methanol lati gba 2-methoxy-5-nitropyridine.
2. 2-methoxy-5-nitropyridine ṣe atunṣe pẹlu cuprous bromide ti a pese sile pẹlu sulfuric acid lati gba 3-bromo-4-methoxypyridine.
Alaye Abo:
1. 3-bromo-4-methoxypyridine jẹ irritating ati pe o yẹ ki o yago fun olubasọrọ pẹlu awọ ara, oju ati atẹgun atẹgun.
2. ni mimu ati lilo, yẹ ki o wọ awọn ohun elo aabo ti ara ẹni ti o yẹ, gẹgẹbi awọn ibọwọ ati awọn gilaasi aabo.
3. Ibi ipamọ yẹ ki o dẹkun olubasọrọ pẹlu awọn oxidants ati awọn acids ti o lagbara, ki o si pa apoti naa mọ.
4. Labẹ lilo ti o tọ ati awọn ipo ipamọ, 3-bromo-4-methoxypyridine jẹ nkan ti kemikali ti o ni aabo, ṣugbọn o tun nilo lati ṣiṣẹ pẹlu iṣọra.
