4-Chloro-3-fluorobenzoic acid (CAS # 403-17-8)
| Awọn aami ewu | Xi - Irritant |
| Awọn koodu ewu | 36/37/38 - Irritating si oju, eto atẹgun ati awọ ara. |
| Apejuwe Abo | S22 - Maṣe simi eruku. S24/25 - Yago fun olubasọrọ pẹlu awọ ara ati oju. S37 - Wọ awọn ibọwọ ti o dara. S26 - Ni ọran ti olubasọrọ pẹlu awọn oju, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ki o wa imọran iṣoogun. |
| HS koodu | 29163990 |
| Kíláàsì ewu | IKANU |
Ọrọ Iṣaaju
4-Chloro-3-fluorobenzoic acid.
Awọn ohun-ini: O le ni tituka ni ọpọlọpọ awọn olomi Organic gẹgẹbi ethanol, ether ati chloroform ni iwọn otutu yara.
Nlo: O tun le ṣee lo ni igbaradi ti awọn awọ ati awọn aṣọ.
Ọna:
Ọna igbaradi ti 4-chloro-3-fluorobenzoic acid ni a gba nigbagbogbo nipasẹ didaṣe benzoic acid pẹlu tetrachloride erogba ati hydrogen fluoride. Ni akọkọ, benzoic acid ni a ṣe pẹlu tetrachloride erogba ni iwaju tetrachloride aluminiomu lati ṣe agbekalẹ benzoyl kiloraidi. Benzoyl kiloraidi ni a ṣe fesi pẹlu hydrogen fluoride ninu ohun elo Organic lati ṣe agbejade 4-chloro-3-fluorobenzoic acid.
Alaye Abo:
4-Chloro-3-fluorobenzoic acid jẹ iduroṣinṣin ni iwọn otutu yara, ṣugbọn olubasọrọ pẹlu awọn oxidants ti o lagbara ati awọn iwọn otutu ti o ga julọ yẹ ki o yago fun. Awọn ohun elo aabo ti o yẹ, gẹgẹbi awọn ibọwọ ati awọn goggles, yẹ ki o wọ nigbati o ba n mu ohun elo naa mu lati ṣe idiwọ olubasọrọ pẹlu awọ ara ati oju. Awọn ipo atẹgun ti o dara yẹ ki o pese lakoko iṣẹ.
