Methane Sulfonic Acid Anhydrous (AMSA or MSAA)

Product

Arkema AMSA (methane sulfonic acid anhydrous - CAS 75-75-2) enjoys wide use in the pharmaceutical industry due to its high acidity and high miscibility in aqueous and most organic media. Its uses include:

 

  • formation of pharmacologically acceptable API salts
  • extraction, crystallization and purification of synthetic intermediates
  • synthetic raw material
  • acid catalyst, particularly for formation and removal of protecting groups
  • dehydrating reaction solvent

 

AMSA is a strong organic acid (pKa-1.92). As such, it is highly corrosive in its acid form.

 
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