弱酸性艳蓝G合成工艺改进

An Improvement on the Synthesis Process of Acid Blue G

本文介绍了在催化剂CY的存在下,采用水相法进行弱酸性艳蓝G的二次缩合反应的改进工艺,产品质量好,成本大大降低,收率提高了14.2%。

An improvement process was reviewed, in the presence of CY as a catalyst the second condensation reaction of Acid blue G is carried out in water phase, the quality of product was better, the cost was greatly lower and the yield was 14. 2% higher than those of previous process.