Sulfonyl Chemicals

Methanesulfonic Acid (MSA)

Description: Other name: Methylsulphonic Acid. Molecular weight: 96.10.
Appearance: colorless and transparent oil liquid. Soluble in water; insoluble in paraffin. CAS# 75-75-2.

As a solvent, catalyst of alkylation, esterification and polymerization.

Varsal advantage:
Varsal's MSA process is clean with no methyl mercaptan odor, and our process conditions do not typically allow formation of methyl esters.


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  • Methanesulfonic Acid, 70% Special Grade
  • Methanesulfonic Acid, 70% Industrial Grade
  • Methanesulfonic Acid, 85%
  • Methanesulfonic Acid, Anhydrous Pharma Grade
  • Methanesulfonic Acid, Anhydrous Special Grade
  • Methanesulfonic Acid, Anhydrous Indusrial Grade