E-PURE MSA® (methane sulfonic acid) is used in electroplating and electrolyte specially in tin lead deposition ; it can be used also for the regeneration of ions exchange resins. The key properties for all these applications is the high solubility of the MSA metallic salts.
Methane Sulfonic Acid Anhydrous (AMSA or MSAA)
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.
MSA 70% (Methane Sulfonic Acid - CAS 75-75-2) is a strong acid widely used as a catalyst (esterification, alkylation, etc.) thanks to its performances, it is an interesting substitute for organic and inorganic strong acids in various applications. Ester quality, easy recyclability and "green" effluent are part of the major 70% methane sulfonic acid advantage is in esterification.