2 5-dibromo-6-methylpyridine (CAS# 39919-65-8)
Ewu ati Aabo
| Awọn koodu ewu | R20 / 21/22 - ipalara nipasẹ ifasimu, ni olubasọrọ pẹlu awọ ara ati ti o ba gbe. R36 / 37/38 - Irritating si oju, eto atẹgun ati awọ ara. R41 - Ewu ti pataki ibaje si oju R22 – Ipalara ti o ba gbe |
| Apejuwe Abo | S26 - Ni ọran ti olubasọrọ pẹlu awọn oju, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ki o wa imọran iṣoogun. S36 / 37/39 - Wọ aṣọ aabo to dara, awọn ibọwọ ati aabo oju / oju. |
| UN ID | UN 2811 6.1/PG 3 |
| WGK Germany | 3 |
| HS koodu | 29333990 |
| Akọsilẹ ewu | Ipalara |
| Kíláàsì ewu | IKANU |
| Iṣakojọpọ Ẹgbẹ | III |
2 5-dibromo-6-methylpyridine (CAS#)39919-65-8) Ifaara
2,5-Dibromo-6-methylpyridine jẹ agbo-ara Organic. Atẹle jẹ ifihan si awọn ohun-ini rẹ, awọn lilo, awọn ọna igbaradi ati alaye ailewu:
Awọn ohun-ini:
Irisi: 2,5-Dibromo-6-methylpyridine jẹ awọ-awọ-awọ tabi awọ-awọ-awọ-awọ-awọ-awọ.
Solubility: O ti wa ni tiotuka ni diẹ ninu awọn Organic olomi, gẹgẹ bi awọn ethanol, ether ati ester epo.
Nlo: O le ṣee lo ni iṣelọpọ Organic lati ṣafihan awọn ẹgbẹ methyl tabi bi reagent bromination.
Ọna igbaradi:
Ọna igbaradi ti 2,5-Dibromo-6-methylpyridine le ṣee ṣe nipasẹ awọn igbesẹ wọnyi:
Tu 2,6-dimethylpyridine ninu oti, ketone tabi ester epo.
Ṣafikun bromine tabi reagent bromination si ojutu esi.
Ihuwasi naa ni a ṣe ni iwọn otutu ti o yẹ, ati pe akoko ifarahan nigbagbogbo gun.
Lẹhin ti o ti gba ọja naa, o le fa jade ati sọ di mimọ nipasẹ distillation tabi awọn ọna iwẹnumọ crystallization.
Alaye aabo:
2,5-Dibromo-6-methylpyridine jẹ majele si iye kan ati ki o binu ara ati oju. Olubasọrọ taara yẹ ki o yago fun. Lakoko iṣẹ, ohun elo aabo yẹ ki o wọ, gẹgẹbi awọn ibọwọ ati awọn goggles. Išišẹ yẹ ki o ṣee ṣe ni agbegbe ti o ni afẹfẹ daradara lati ṣe idiwọ ifasimu ti awọn gaasi ipalara. Nigbati o ba n sọ egbin nu, o yẹ ki o mu ni ibamu pẹlu awọn ilana agbegbe. Nigbati o ba nlo tabi titoju 2,5-dibromo-6-methylpyridine, o yẹ ki o ṣe itọju lati yago fun ina ati awọn iwọn otutu giga.
