2-Methyl-5-nitropyridine (CAS# 21203-68-9)
| Awọn aami ewu | Xi - Irritant |
| Awọn koodu ewu | 36/37/38 - Irritating si oju, eto atẹgun ati awọ ara. |
| Apejuwe Abo | S26 - Ni ọran ti olubasọrọ pẹlu awọn oju, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ki o wa imọran iṣoogun. S36 - Wọ aṣọ aabo to dara. |
Ọrọ Iṣaaju
2-methyll-5-nitropyridine jẹ agbo-ara Organic pẹlu agbekalẹ kemikali C6H6N2O2, eyiti o ni awọn ohun-ini wọnyi:
1. Irisi: colorless to ina ofeefee gara;
2. Olfato: ko si õrùn pataki;
3. Oju Iyọ: 101-104 iwọn Celsius;
4. Solubility: fere insoluble ninu omi, tiotuka ni Organic epo bi ethanol ati dichloromethane.
2-Methyl-5-nitropyridine jẹ lilo akọkọ bi ohun elo aise ati agbedemeji ni iṣelọpọ Organic ati ile-iṣẹ oogun. O le ṣee lo fun iṣelọpọ ti pyridine ati awọn agbo ogun thiophene, ati pe o tun le ṣee lo fun igbaradi awọn ipakokoropaeku, awọn awọ ati diẹ ninu awọn agbo ogun ni aaye oogun.
Igbaradi ti 2-methyll-5-nitropyridine le ṣee ṣe nipasẹ awọn igbesẹ wọnyi:
1.2-pyridine acetic acid ati sodium nitrite ni a ṣe labẹ awọn ipo ekikan lati ṣe ina 2-nitropyridine.
2. Idahun ti 2-Nitro pyridine pẹlu methylating reagent (gẹgẹbi methyl iodide) lati ṣe ina 2-Methyl-5-nitropyridine.
Nigbati o ba nlo ati titoju 2-methyll-5-nitropyridine, o nilo lati fiyesi si alaye aabo wọnyi:
-O ti wa ni a combustible, yago fun olubasọrọ pẹlu iná;
- San ifojusi si awọn igbese aabo lakoko iṣẹ, gẹgẹbi wọ awọn gilaasi aabo ati awọn ibọwọ;
-yago fun ifasimu ti gaasi tabi eruku rẹ, yago fun olubasọrọ ara;
- Itaja ni a titi gba eiyan, kuro lati ina ati oxidizing òjíṣẹ;
-Yẹra fun idapọ pẹlu awọn oxidants ti o lagbara tabi awọn acids ti o lagbara.
