W. Liang
2009
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Journal
Journal of Zhejiang Sci-Tech University
Abstract
Trans-1,2-cyclohexanediamine tetraacetic acid is prepared from 1,2-cyclohexanediamine and chloro acetic acid.The reaction is studied between 1,2-cyclohexanediamine and inorganic.The results show that sulfate acid is the best.And the effect of reaction temperature,time,molar ratio on the yield is investigated by the L9(33)orthogonal design.The experimental results show that the yield of trans-1,2-cyclohexanediamine tetraacetic acid is about 47.00%,purity is 99.65% under the optimum reaction conditions: n(1,2-cyclohexanediamine)∶n(chloro acetic acid)=1∶5,at the temperature of 50℃,react 5h.