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氰乙酰胺

氰乙酰胺是一種化學物質,分子式是C3H4N2O。白色或黃色針狀結晶或粉末。用作醫藥、染料及電鍍液中間體.

制作方法:

【方法一】可由氰乙酸乙酯與氨作用制得。將氰乙酸乙酯冷卻至200℃以下,加入濃氨水進行反應,得混合物由濁變清,在冷水中冷卻20分鐘后析出沉淀,經過濾、甩干后得粗品,然后將氰乙酰胺粗品加入沸騰的乙醇中,待其溶解后,再加入少量活性炭脫色精制,過濾,濾液冷卻析出沉淀,經甩干后于80-100℃下干燥制得氰乙酰胺精品。

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