methanesulfonic acid


meth·​ane·​sul·​fon·​ic acid ˌme-ˌthān-ˌsəl-ˈfä-nik- How to pronounce methanesulfonic acid (audio)
variants or methane sulfonic acid
: a corrosive liquid acid CH4O3S that is used especially as a catalyst in chemical reactions (such as polymerization and esterification)
Methanesulfonic acid has been developed as an esterification catalyst in place of sulfuric acid for the synthesis of resins in paints and coatings.Stanley E. Manahan, Toxicological Chemistry and Biochemistry, 2003
The mesylate salt is obtained by reaction with methanesulfonic acid.Anna M. Wodlinger, Remington: The Science and Practice of Pharmacy, 2005

Word History

First Known Use

1892, in the meaning defined above

Time Traveler
The first known use of methanesulfonic acid was in 1892

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Cite this Entry

“Methanesulfonic acid.” Dictionary, Merriam-Webster, Accessed 28 Feb. 2024.

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