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MSA LC (Methane Sulfonic Acid)

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

MSA (Methane Sulfonic Acid - CH3SO3H) LC represents the latest innovation in product development by Arkema’s R&D and corrosion experts. MSA LC is a strong acid esterification catalyst that improves yield for biodiesel producers using advantaged feeds, with significantly reduced corrosivity toward stainless steel materials.

Geographic availability
  • Worldwide
Chemical name : Methane Sulfonic Acid Low Corrosion
Common name : MSA LC

Product description & properties

Arkema’s MSA LC is a low corrosion formulation strong acid that provides a wide range of benefits for esterification in the biodiesel industry. MSA LC is fully compatible with standard stainless steels 304L and 316L. Using the MSA LC grade in a biodiesel unit can significantly reduce the risk of corrosion in pipes, reactors, separators, and purification units.

MSA LC is a unique acid with significantly reduced corrosivity towards 304L and 316L stainless steels.

  • MSA LC is very efficient for the pretreatment of oils containing > 1.0% FFA - to convert the FFA’s to biodiesel. This innovative product affords higher conversion with time vs. H2SO4.
  • MSA LC also reduces the creation of by-products as this catalyst is non-oxidizing and non-dehydrating. Customers find that their final product has better color, and there is less catalyst loss as well.

Customer benefits

Enabler for biodiesel manufacturing from recycled feedstocks

Arkema offers innovative thiochemical solutions which allow biodiesel manufacturers to produce the highest quality of biodiesel in a safe and cost-effective manner. MSA LC (Low Corrosion) is a strong acid that can be used as an acidulation or neutralization agent, or as an esterification catalyst that improves yield for biodiesel producers and allows the use of  advantaged feedstocks like waste oils or animal fats. Customers choose MSA LC as a higher-performing alternative acid that avoids the corrosion problems that arise when inorganic acids, such as sulfuric acid and hydrochloric acid, are used in pre-esterification, significantly reducing the corrosivity toward stainless steel materials.

  • Better selectivity than other acids
  • Reduction in waste treatment
  • Reduces maintenance and down time
  • Better biodiesel color and clarity
  • Variable costs optimization

“Switching to MSA LC enabled us to make a product that we could not make before – Glycerol Platinum Seed. Arkema was also a lot more helpful than our previous provider who just dropped off the product.” - U.S Biodiesel Customer


Technical Assistance

MSA LC has proven its efficiency compared to commun acid catalysts such sulfuric acid. If your esterification need is for free fatty acid conversions, then our technical experts can work with you to demonstrate how MSA LC is the best catalyst for direct esterification of FFAs.

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