对氨基苯胂酸电化学合成的研究

马淳安; 郑勤安; 周强; 徐颖华

doi:10.61558/2993-074X.2041

电化学 >

2010 , Vol. 16 >Issue 1: 70 - 73

DOI: https://doi.org/10.61558/2993-074X.2041

研究论文

对氨基苯胂酸电化学合成的研究

马淳安 ,
郑勤安 ,
周强 ,
徐颖华

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浙江工业大学绿色合成技术国家重点实验室培育基地;杭州利群环保纸业有限公司;

收稿日期: 2010-02-28

修回日期: 2010-02-28

网络出版日期: 2010-02-28

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Electrosynthesis of p-aminobenzenearsenic Acid

MA Chun-an ,
ZHENG Qin-an ,
ZHOU Qiang ,
XU Ying-hua

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(1.State Key Laboratory Breeding Base of Green Chemisitry Synthesis Technology,Zhejiang University of Technology,Hangzhou 310032,China;2.Hangzhou Liqun Environmental Paper Company,Hangzhou 310018,China

Received date: 2010-02-28

Revised date: 2010-02-28

Online published: 2010-02-28

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摘要

研究优化电解还原对硝基苯胂酸(p-A)合成对氨基苯胂酸(p-ASA)的工艺条件.实验表明:硫酸浓度、添加剂量、反应温度、投料量等工艺参数对合成产率有显著影响.初步得出比较适宜的电解合成条件为:硫酸浓度10%(bymass,下同)、添加剂量1%(bymass)NaCl、反应温度80℃、投料量71.4g/L、电流密度10A·dm-2.在上述工艺条件下,电解合成产率可达65.8%.

关键词： 对硝基苯胂酸; 对氨基苯胂酸; 电解还原; 阿散酸

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马淳安 , 郑勤安 , 周强 , 徐颖华 . 对氨基苯胂酸电化学合成的研究[J]. 电化学, 2010 , 16(1) : 70 -73 . DOI: 10.61558/2993-074X.2041

Abstract

The electrochemical reduction of p-nitrophenyl arsonit acid to p-aminobenzenearsenic acid was studied using controlled-current electrolysis.The results showed that the yield of p-aminobenzenearsenic acid was determinated by the following factors:the concentrations of sulphuric acid,the amount of additive,temperature and the concentrations of p-nitrophenyl arsenic acid.The optimum electrolytic conditions were obtained to be is 10% H2SO4,1% NaCl,80 ℃,25 g/350 mL p-nitrophenyl arsenic acid and 10 A·dm-2.The yield of arsanilic acid could be reached 64.7% under the optimum electrolytic conditions.

Key words： p-nitrophenyl arsonit acid; p-aminobenzenearsenic acid; electrolytic reduction; arsanilic acid

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