2-Chloro-3,4-dihydroxyacetophenone CAS 99-40-1
Pilikia a palekana
Nā hōʻailona pōʻino | Xi - Hoʻohaunaele |
Nā Code Risk | 36/37/38 – Hoʻonanea i nā maka, ʻōnaehana hanu a me ka ʻili. |
Ka wehewehe palekana | S26 – Inā pili me nā maka, e holoi koke me ka wai nui a e ʻimi i ka ʻōlelo aʻo kino. S37/39 – E hoʻohana i nā mīkina lima kūpono a me ka pale maka/maka S36 – E komo i nā lole pale kūpono. |
WGK Kelemānia | 3 |
HS Code | 29252900 |
99-40-1 - Hōʻike ʻike
Nānā nui | ʻO 3, 4-dihydroxy-2 '-chloroacetophenone he kī waena i ka synthesis o carbamot. ʻO Carbazil ka mea i kapa ʻia ʻo ke koko, adrenal pigment ammonia urea sodium salicylate, i hoʻohana nui ʻia no ka hoʻonui ʻana i ka capillary permeability i hoʻokumu ʻia e ke koko. |
Hoʻohana | ʻO ka waena o ka hemostatic drug anluoxue, adrenomimetic drug gashaler, etc. |
hana hana | e hoʻohui i ka catechol a me ka waikawa chloroacetic i kahi ipu hao maloʻo, hoʻokiʻekiʻe i ka mahana i 60 °c, a hoʻoulu, 85-90 degere C insulation 0.5h. Hoʻoluʻu i lalo o 65 ℃, e hoʻohui i ka phosphorus oxychloride, e hana i ka 60-70 ℃ no 4h, 70-80 ℃ no 4h. Ke paʻakikī ka hoʻoulu ʻana i nā reactants mānoanoa, hoʻohui i ka wai, hoʻonui i ka mahana, a hydrolyze ma 90-100 ℃ no 0.5h. Ua hoʻomaha ʻia nā kristal ma lalo o 10 ° C., a kānana ʻia. Ua holoi ʻia ka mea paʻa me ka wai a hiki i ke kū ʻole e loaʻa ai ka 2-chloro-3 ',4′-dihydroxyacetophenone. |
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