2-Chloro-4-fluorobenzyl bromide (CAS # 45767-66-6)
| Awọn koodu ewu | R34 - Awọn okunfa sisun R22 – Ipalara ti o ba gbe |
| Apejuwe Abo | S45 – Ni ọran ti ijamba tabi ti o ba ni ailara, wa imọran iṣoogun lẹsẹkẹsẹ (fi aami han nigbakugba ti o ṣee ṣe.) S36 / 37/39 - Wọ aṣọ aabo to dara, awọn ibọwọ ati aabo oju / oju. S26 - Ni ọran ti olubasọrọ pẹlu awọn oju, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ki o wa imọran iṣoogun. |
| UN ID | 3265 |
| HS koodu | 29039990 |
| Akọsilẹ ewu | Ibajẹ / Lachrymatory |
| Kíláàsì ewu | 8 |
| Iṣakojọpọ Ẹgbẹ | III |
Ọrọ Iṣaaju
2-Chloro-4-fluorobenzyl bromide jẹ agbo-ara Organic pẹlu agbekalẹ kemikali C7H5BrClF. O jẹ olomi ororo ti ko ni awọ tabi ina ofeefee ni iwọn otutu yara. Awọn atẹle jẹ apejuwe ti iseda, lilo, igbaradi ati alaye ailewu ti 2-Chloro-4-fluorobenzyl bromide:
Iseda:
-Irisi: ti ko ni awọ tabi ina olomi ororo ofeefee
-Solubility: Itukufẹ diẹ ninu omi, tiotuka ni awọn nkan ti o nfo Organic gẹgẹbi ethanol ati dichloromethane.
-Iwọn aaye:-10°C
-Poiling Point: 112-114°C
-iwuwo: 1.646 g/ml
Lo:
2-Chloro-4-fluorobenzyl bromide nigbagbogbo lo bi agbedemeji pataki ati ohun elo aise ni iṣelọpọ Organic. O le ṣee lo ni iṣelọpọ ti awọn agbo ogun Organic miiran, gẹgẹbi awọn agbo ogun heterocyclic, awọn oogun ati awọn awọ.
Ọna Igbaradi:
2-Chloro-4-fluorobenzyl bromide ni a le pese sile nipa didaṣe 2-chloro-4-fluorobenzyl oti pẹlu hydrogen bromide. Ni akọkọ, 2-chloro-4-fluorobenzyl oti ti wa ni esterified pẹlu hydrogen bromide ni iwaju ipilẹ kan lati ṣe 2-chloro-4-fluorobenzyl bromide. Lẹhinna, o ti sọ di mimọ nipasẹ isediwon pẹlu ogidi hydrochloric acid ati distillation lati gba ọja ibi-afẹde 2-Chloro-4-fluorobenzyl bromide.
Alaye Abo:
Awọn iṣọra ailewu atẹle yẹ ki o ṣe akiyesi nigba lilo tabi mimu 2-Chloro-4-fluorobenzyl bromide:
-Yẹra fun olubasọrọ pẹlu awọ ara, oju ati awọn membran mucous. Ni ọran ti olubasọrọ, fọ pẹlu ọpọlọpọ omi ki o wa itọju ilera.
- Lakoko iṣẹ, lo ohun elo aabo ti o yẹ, gẹgẹbi awọn ibọwọ aabo, awọn gilaasi aabo ati aṣọ aabo.
-Yẹra fun sisimi rẹ vapors tabi eruku. Lakoko išišẹ, o yẹ ki o rii daju pe o wa ni aaye ti o ni afẹfẹ daradara.
-Ipamọ yẹ ki o wa ni edidi lati yago fun olubasọrọ pẹlu oxidants ati awọn acids / alkalis ti o lagbara.
