Results showed that sodium cyanate with 98.1% purity could be obtained in the medium of DMF, when the mole ratio of urea to anhydrous sodium carbonate was 2.5, the reaction temperature 120~ 140 ℃ and reaction time 8~ 10 h.

  • 实验结果表明,在DMF反应介质中,当尿素与无水碳酸钠物质的量比为2.50,反应温度120~140℃,反应时间8~10h,可以制得纯度为98.1%的氰酸钠产物。

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