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亚磺酸是一类亚磺酸基(-SO2H)与烃基(-R)相连而成的化合物的统称。通式 RSO2H。可用作有机合成及电镀添加剂,也可作氧化还原聚合反应的催化剂



一般为油状液体或结晶。低级亚磺酸可溶于水,呈酸性,酸性较羧酸强,但比磺酸弱。 与卤代烃反应生成。 不稳定,可发生歧化反应,也易被氧化为磺酸。




  1. ^ Whitmore, F. C.; Hamilton, F. H. Sodium p-Toluenesulfinic Acid 2: 89. 1922. doi:10.15227/orgsyn.002.0089. 


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