4-Bromo-2-fluorobenzyl bromide (CAS # 76283-09-5)
| Awọn aami ewu | C – Ibajẹ |
| Awọn koodu ewu | R22 – Ipalara ti o ba gbe R34 - Awọn okunfa sisun R52/53 – Ipalara si awọn oganisimu omi, le fa awọn ipa buburu igba pipẹ ni agbegbe omi. R20 / 21/22 - ipalara nipasẹ ifasimu, ni olubasọrọ pẹlu awọ ara ati 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. S45 – Ni ọran ti ijamba tabi ti o ba ni ailara, wa imọran iṣoogun lẹsẹkẹsẹ (fi aami han nigbakugba ti o ṣee ṣe.) S61 – Yago fun itusilẹ si ayika. Tọkasi awọn ilana pataki / awọn iwe data aabo. |
| UN ID | UN 2923 8/PG 3 |
| WGK Germany | 2 |
| HS koodu | 29039990 |
| Akọsilẹ ewu | Ibajẹ / Lachrymatory |
| Kíláàsì ewu | 8 |
| Iṣakojọpọ Ẹgbẹ | III |
Ọrọ Iṣaaju
2-Fluoro-4-bromobenzyl bromide jẹ ẹya Organic yellow. Atẹle jẹ ifihan si iseda rẹ, lilo, ọna igbaradi ati alaye aabo:
Didara:
- Ifarahan: 2-Fluoro-4-bromobenzyl bromide jẹ awọ ti ko ni awọ si omi alawọ ofeefee.
- Solubility: O ti wa ni tiotuka ni Organic olomi bi alcohols ati ethers, sugbon insoluble ninu omi.
Lo:
- 2-Fluoro-4-bromobenzyl bromide ni a maa n lo bi agbedemeji pataki ni iṣelọpọ Organic.
- Yi yellow tun le ṣee lo bi awọn kan aise ohun elo fun ayase ati surfactants.
Ọna:
Ọna igbaradi ti 2-fluoro-4-bromobenzyl bromide jẹ bi atẹle:
- Idahun ti ọti-2-bromobenzyl pẹlu 2,4-difluorobenzoic acid, catalyzed nipasẹ alkali, ni iwọn otutu ti o yẹ ati awọn ipo akoko.
- Lẹhin ti ifasilẹ ti pari, iwẹnumọ ati iyapa ni a ṣe nipasẹ crystallization tabi distillation lati gba 2-fluoro-4-bromobenzyl bromide pẹlu mimọ giga.
Alaye Abo:
- 2-Fluoro-4-bromobenzyl bromide jẹ agbo-ara Organic ti o le yipada ati pe o yẹ ki a yago fun awọn eefin rẹ nipasẹ ifasimu.
- Wọ ohun elo aabo ti ara ẹni ti o yẹ gẹgẹbi awọn gilaasi aabo, awọn ibọwọ ati awọn aṣọ laabu lakoko mimu ati mimu.
- Nigbati o ba tọju ati lilo, yago fun olubasọrọ pẹlu oxidants, acids lagbara, alkalis lagbara ati awọn nkan miiran lati yago fun awọn aati ti o lewu.
- Nigbati o ba tọju ati sisọnu rẹ, awọn ofin ti o yẹ, awọn ilana ati awọn ilana aabo yẹ ki o ṣe akiyesi.
