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MSA 70% (Methane Sulfonic Acid)

Discover the Product range Sulfonyls.
CAS 75-75-2
Product overview

MSA 70% (Methane Sulfonic Acid - CH3SO3H) is a strong acid widely used as a catalyst (esterification, alkylation, etc.). Thanks to its versatility, MSA 70% is a viable substitute for organic and inorganic strong acids in a variety of applications. 

Geographic availability
  • Worldwide

Chemical name: Methane Sulfonic Acid
Common name: MSA 70%

MSA 70% properties

  • Strong acid
  • Readily Biodegradable & low VOC

  • Non oxidizing and not foaming

  • Compatible with oxidizing agent and biocides
  • High solubility of salts
  • Odorless
  • High thermal stability 

MSA 70% benefits

  • Ester quality
  • Easy recyclability
  • "Green" effluent
  • Better color quality 
  • Less side reaction 
  • Easy handling (liquid at room temperature) 

MSA 70% used in a wide range of applications

MSA 70% is used in a large number of very differents applications:

  • Tin Plating: large electro-chemical window
  • Industrial Cleaning (Equipment & Hard Surface Cleaning): efficient & sustainable scale removal
  • Oilfield (Well stimulation): biodegradable & less corrosion
  • Chemical Industry (Esterification): Higher selectivity
  • Biofuels (Esterification Catalyst): less corrosion & cheaper feedstocks


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