2-Chloro-3,4-dihydroxyacetophenone CAS 99-40-1
Ibyago n'umutekano
Ibimenyetso bya Hazard | Xi - Kurakara |
Kode y'ingaruka | 36/37/38 - Kurakaza amaso, sisitemu yubuhumekero nuruhu. |
Ibisobanuro byumutekano | S26 - Mugihe uhuye namaso, kwoza ako kanya n'amazi menshi hanyuma ushakishe inama mubuvuzi. S37 / 39 - Kwambara uturindantoki dukwiye no kurinda amaso / kurinda amaso S36 - Kwambara imyenda ikingira. |
WGK Ubudage | 3 |
Kode ya HS | 29252900 |
99-40-1 - Ibisobanuro
Incamake | 3, 4-dihydroxy-2 '-chloroacetophenone ningirakamaro hagati muguhuza karbamot. Carbazil izwi kandi ku maraso, adrenal pigment ammonia urea sodium salicylate, ikoreshwa cyane cyane mu kongera ubushobozi bwa capillary iterwa no kuva amaraso. |
Koresha | Hagati yimiti ya haemostatike anluoxue, ibiyobyabwenge bya adrenomimetike, nibindi. |
uburyo bwo kubyaza umusaruro | ongeramo catechol na aside ya chloroacetike mumasafuriya yumye, uzamure ubushyuhe kugera kuri 60 ° c, hanyuma ukangure, dogere 85-90 C iziritse 0.5h. Nkonje kugeza munsi ya 65 ℃, ongeramo fosifore oxychloride, reba kuri 60-70 ℃ kuri 4h, 70-80 ℃ kuri 4h. Iyo bigoye kubyutsa reaction cyane, ongeramo amazi, uzamure ubushyuhe, na hydrolyze kuri 90-100 ℃ kuri 0.5h. Kirisiti yakonje kugeza munsi ya 10 ° C., hanyuma irayungurura. Ikintu gikomeye cyogejwe namazi kugeza kidafite aho kibogamiye kugirango ubone 2-chloro-3 ', 4′-dihydroxyacetophenone. |
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