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首頁 > 供應產品 > 5-硝基間苯二甲酸
5-硝基間苯二甲酸
單價 面議對比
詢價 暫無
發貨 山東濟南市付款后3天內
過期 長期有效
更新 2020-07-29 09:21
 
詳細信息
5-硝基間苯二甲酸
99%白色葉狀結晶,熔點260-261℃。易溶于醇、醚和熱水。
CAS:618-88-2 用途: 該品經***化、氨化可得2,6-二***基-4-硝基苯胺。它是分散染料的重要中間體。第一步***化反應以二***為溶劑,在135-140℃回流反應2-4h,制得5-硝基間苯二甲腈,收率91%以上。第二步氨化反應是25-30℃下反應4h,收率80%以上。5-硝基異酞酸也是診斷用藥新泛影的中間體。
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