甲萘酚是生产高效低毒农药西维因的主要中间体。目前我国甲萘酚生产还比较少,不能满足合成西维因的需要。为了使我国农药工业迅速赶超世界先进水平。国内对甲萘酚生产,正在进行各种路线的大量试验工作。然而,对甲萘酚的分析测定,目前所用各法都还存在一定问题。例如,国内主要采用的对硝基苯胺重氮盐偶合滴定法。其准确度因合成中存在的主要杂质乙萘酚的干扰而较差,而且手续烦杂,费时较长。其他如气相色谱法等,国内还未见报导(沈阳化工研究院、河南化学研究所等单位,正在进行研究)。为了配合工业生产和试验工作的需要,寻找简便、快速的分析方法,我们试验了在强碱性介质中,用对氨基苯磺 Anemone is the main intermediate for the production of a highly efficient and low toxic pesticide carbaryl. At present, China’s production of a-naphthol is still relatively small, can not meet the needs of the synthesis of carbaryl. In order to make China’s pesticide industry quickly catch up with the world advanced level. A domestic production of naphthol, a large number of tests are under way. However, the analysis of n-naphthol, the current methods used are still some problems. For example, the main domestic use of nitroaniline diazonium salt coupling titration. Its accuracy due to the synthesis of the main impurities bixaphthol interference is poor, and the procedure is complicated, time-consuming. Others such as gas chromatography, the domestic has not been reported (Shenyang Chemical Industry Research Institute, Henan Institute of Chemistry and other units, ongoing research). In order to meet the needs of industrial production and experimental work, looking for a simple and rapid method of analysis, we tested in a strong alkaline medium, with p-aminobenzenesulfonamide