メチルスルホン酸さんMeanings1nounmethylsulfonic acidchemistryA strong organic acid used in electroplating, organic synthesis, and as a catalyst. Technical term in chemistry.メチルスルホン酸さんは電でん気きめっきの電でん解かい液えきとして使つかわれる。Methylsulfonic acid is used as an electrolyte in electroplating.