2-Bromo-3-methyl-5-chloropyridine (CAS# 65550-77-8)
| Awọn koodu ewu | R36 / 37/38 - Irritating si oju, eto atẹgun ati awọ ara. R41 - Ewu ti pataki ibaje si oju R37 / 38 - Irritating si eto atẹgun ati awọ ara. R22 – Ipalara ti o ba gbe |
| Apejuwe Abo | S37 / 39 - Wọ awọn ibọwọ ti o dara ati aabo oju / oju 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
2-Bromo-5-chloro-3-picoline jẹ agbo-ara Organic pẹlu agbekalẹ kemikali C7H6BrClN. Atẹle jẹ apejuwe ti awọn ohun-ini, awọn lilo, igbaradi ati alaye ailewu ti agbo:
Iseda:
-Irisi: 2-Bromo-5-chloro-3-picoline ni a awọ tabi die-die ofeefee omi bibajẹ.
-Solubility: Soluble ni ọpọlọpọ awọn olomi Organic, gẹgẹbi ethanol, dimethylformamide ati chloroform.
-Idanu yo ati aaye gbigbo: Aaye yo ti agbo-ara jẹ nipa -35°C, ati aaye sisun jẹ nipa 205-210°C.
Lo:
- 2-Bromo-5-chloro-3-picoline le ṣee lo bi ohun elo ibẹrẹ tabi agbedemeji ni iṣelọpọ Organic, ati pe o le ṣee lo lati ṣajọpọ awọn agbo ogun miiran, gẹgẹbi awọn ipakokoropaeku ati awọn oogun.
-O tun jẹ lilo pupọ ni awọn agbedemeji sintetiki, awọn biphenyls polychlorinated, biphenyls polybrominated ati awọn pigments.
Ọna Igbaradi:
- 2-Bromo-5-chloro-3-picoline ni a maa n pese sile nipasẹ bromination ati chlorination ti 3-picoline. Ni akọkọ, 3-methylpyridine ti ṣe atunṣe pẹlu hydrogen bromide lati gba 2-bromo-5-methylpyridine, ati lẹhinna ọja naa ni ifasilẹ pẹlu ayase kiloraidi irin lati gba ọja ibi-afẹde.
Alaye Abo:
- 2-Bromo-5-chloro-3-picoline ni gbogbogbo ko fa ipalara nla labẹ awọn ipo lilo deede. Sibẹsibẹ, o le jẹ irritating si awọn oju, awọ ara ati atẹgun atẹgun, nitorina o yẹ ki a ṣe itọju lati yago fun olubasọrọ taara.
- Lo pẹlu awọn ohun elo aabo ti o yẹ, gẹgẹbi awọn ibọwọ kẹmika, awọn goggles ati awọn apata oju.
-Ti o dara ise yàrá yẹ ki o wa ni atẹle nigba lilo ati ki o dara fentilesonu yẹ ki o wa ni muduro.
-Yago fun olubasọrọ pẹlu awọn oxidants ti o lagbara ati awọn acids ti o lagbara nigba mimu ati ipamọ.
