4-Chloro-2-fluorobenzoic acid (CAS # 446-30-0)
Ewu ati Aabo
| Awọn koodu ewu | R36 / 37/38 - Irritating si oju, eto atẹgun ati awọ ara. 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 - Wọ aṣọ aabo to dara. S37 / 39 - Wọ awọn ibọwọ ti o dara ati aabo oju / oju |
| WGK Germany | 3 |
| HS koodu | 29163990 |
| Kíláàsì ewu | IKANU |
446-30-0 - Alaye itọkasi
| Ohun elo | 4-chloro-2-fluoro-benzoic acid jẹ agbedemeji pataki ni iṣelọpọ Organic ati oogun, o jẹ lilo pupọ ni awọn fungicides, awọn inhibitors ATX, awọn inhibitors NHE3 ati awọn antagonists olugba NMDA. |
| Awọn ohun-ini kemikali | awọn kirisita funfun tabi pa-funfun. Yiyo ojuami 206-210 °c. |
| Ohun elo | lo bi ipakokoropaeku ati agbedemeji elegbogi |
Ifihan kukuru
4-Chloro-2-fluorobenzoic acid jẹ ẹya Organic yellow. Atẹle jẹ ifihan si awọn ohun-ini rẹ, awọn lilo, awọn ọna iṣelọpọ ati alaye ailewu:
Didara:
4-Chloro-2-fluorobenzoic acid jẹ kirisita ti o lagbara, ti ko ni awọ tabi awọn kirisita ofeefee. Ko ṣe iyipada ni iwọn otutu yara. O ni adun oorun oorun ati pe o le tuka ni awọn nkan ti o nfo Organic gẹgẹbi kẹmika, ethanol, methylene kiloraidi, ati bẹbẹ lọ.
Lo:
4-Chloro-2-fluorobenzoic acid ni ọpọlọpọ awọn ohun elo ni ile-iṣẹ kemikali. Nigbagbogbo a lo bi ohun elo ibẹrẹ tabi agbedemeji ni iṣelọpọ Organic. O tun le ṣee lo bi ohun kikọ sii fun awọn ayase ati awọn ohun elo itanna.
Ọna:
4-Chloro-2-fluorobenzoic acid le ṣee gba nipasẹ chlorination ti p-fluorobenzoic acid. Ni gbogbogbo, hydrogen kiloraidi tabi chlorous acid le ṣe idahun pẹlu thionyl kiloraidi tabi sulfinyl kiloraidi labẹ awọn ipo ekikan, atẹle nipa ifasẹpọ pẹlu hydrogen fluoride lati gba 4-chloro-2-fluorobenzoic acid.
Alaye Abo:
Awọn iṣọra ailewu atẹle yẹ ki o mu nigba mimu 4-chloro-2-fluorobenzoic acid: yago fun olubasọrọ pẹlu awọ ara ati oju, ki o san ifojusi si awọn ọna aabo gẹgẹbi wọ awọn gilaasi aabo ati awọn ibọwọ. O yẹ ki o ṣe ni agbegbe ti o ni afẹfẹ daradara lati ṣe idiwọ ifasimu tabi gbigbe. Yago fun olubasọrọ pẹlu combustibles ki o si yago fun ìmọ iná tabi ga awọn iwọn otutu. O gbọdọ wa ni edidi ni wiwọ nigbati o ba wa ni lilo tabi fipamọ ati kuro lati awọn acids, awọn ipilẹ, ati awọn oxidants. Ni iṣẹlẹ ti jijo, awọn igbese pajawiri ti o yẹ yẹ ki o mu, gẹgẹbi gbigba omi pẹlu ohun mimu tabi nu rẹ pẹlu adsorbent kemikali ti o yẹ.
