2-Chloro-3,4-dihydroxyacetofenone CAS 99-40-1

Alaye ọja

Awọn aami ewu	Xi - Irritant
Awọn koodu ewu	36/37/38 - Irritating si oju, eto atẹgun ati awọ ara.
Apejuwe Abo	S26 - Ni ọran ti olubasọrọ pẹlu awọn oju, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ki o wa imọran iṣoogun. S37 / 39 - Wọ awọn ibọwọ ti o dara ati aabo oju / oju S36 - Wọ aṣọ aabo to dara.
WGK Germany	3
HS koodu	29252900

Akopọ	3, 4-dihydroxy-2 '-chloroacetophenone jẹ agbedemeji bọtini ni iṣelọpọ ti carbamot. Carbazil ti a tun mọ ni ẹjẹ, pigment adrenal amonia urea sodium salicylate, ni akọkọ ti a lo fun alekun iṣan ẹjẹ ti o fa nipasẹ ẹjẹ.
Lo	Agbedemeji ti oogun haemostatic anluoxue, gashaler oogun adrenomimetic, ati bẹbẹ lọ.
gbóògì ọna	fi catechol ati chloroacetic acid sinu ikoko ifaseyin gbigbẹ, gbe iwọn otutu soke si 60 °c, ati aruwo, 85-90 iwọn C idabobo 0.5h. Dara si isalẹ 65 ℃, ṣafikun irawọ owurọ oxychloride, fesi ni 60-70 ℃ fun 4h,70-80 ℃ fun 4h. Nigbati o ba ṣoro lati mu awọn ifaseyin nipọn, ṣafikun omi, gbe iwọn otutu soke, ati hydrolyze ni 90-100 ℃ fun 0.5h. Awọn kirisita naa ni tutu si isalẹ 10 ° C., ati filtered. A ti fọ ọrọ ti o lagbara pẹlu omi titi di didoju lati gba 2-chloro-3 ',4'-dihydroxyacetophenone.