5-Bromo-2-methyl-3-nitropyridine (CAS# 911434-05-4)

Ọrọ Iṣaaju

5-Bromo-2-methyl-3-nitropyridine jẹ agbo-ara Organic.

Awọn ohun-ini: 5-Bromo-2-methyl-3-nitropyridine jẹ ofeefee si osan garawa pẹlu itọwo nitro pataki kan. O jẹ iduroṣinṣin ni iwọn otutu yara, ṣugbọn jijẹ le waye nigbati o gbona tabi ni olubasọrọ pẹlu awọn acids ti o lagbara.

O tun le lo si itupalẹ kemikali, awọn ami-ara, ati iṣelọpọ Organic.

Ọna igbaradi: Ọna ti ngbaradi 5-bromo-2-methyl-3-nitropyridine le jẹ nitrification. Ọna ti o wọpọ ni lati fesi 2-methylpyridine pẹlu nitric acid ogidi lati ṣe agbejade 2-methyl-3-nitropyridine, ati lẹhinna lo bromine lati faragba ifaseyin bromination ni iwaju sulfuric acid lati gba ọja ikẹhin.

Alaye aabo: 5-bromo-2-methyl-3-nitropyridine jẹ iduroṣinṣin diẹ labẹ awọn ipo lilo gbogbogbo, ṣugbọn o tun jẹ dandan lati san ifojusi si iṣẹ ailewu. O jẹ nkan ijona ati olubasọrọ pẹlu awọn ina ṣiṣi tabi awọn iwọn otutu ti o ga julọ yẹ ki o yago fun. Ohun elo aabo ti ara ẹni ti o yẹ, gẹgẹbi awọn ibọwọ yàrá ati awọn gilaasi ailewu, yẹ ki o wọ lakoko iṣẹ ati yago fun olubasọrọ pẹlu awọ ara ati oju. Ni ọran ti olubasọrọ lairotẹlẹ, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ki o wa itọju ilera ni kiakia. Egbin yẹ ki o wa ni ipamọ daradara ati sisọnu lati daabobo ayika.