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以１．２－二溴乙烷为起始原料，合成２－巯基乙磺酸钠，纯度达９７％左右。本法避免使用Ｎａ２Ｓ成Ｈ２Ｓ，环境污染较少。
Using 1.2-dibromoethane as the starting material, sodium 2-mercaptoethane sulfonate was synthesized with a purity of about 97%. This method avoids the use of Na2S into H2S, less environmental pollution.