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Methanesulfonic Acid or Mesylate or Methanesulphonic Acid
CAS Number: 75-75-2
Molecular Formula: CH3SO3H
Molecular Weight: 96.11
Methanesulfonic Acid or Mesylate or Methanesulphonic AcidMethanesulfonic acid (MSA) is a strong, non-oxidizing organic acid with the chemical formula CH3SO3H. It is a colorless liquid at room temperature, highly soluble in water, and widely used as a "green" acid catalyst in industrial chemistry, electroplating, and pharmaceutical synthesis because it is biodegradable and less toxic than mineral acids.
General Properties and Specifications of Methanesulfonic Acid or MSA or Methanesulphonic acid or Mesylate:
Appearance: Clear liquid.
Assay: 99% minimum. Also available as 70% minimum.
Color(APHA): 30 maximum for pure grade
Cl: 10max
SO42: 30 ppm max
Fe: 3 ppm maximum.
Heavy Metal: 5 ppm maximum.
Relative density: around 1.48
Melting point: 20C.
Boiling point: 167C @ 10mm Hg.
Flash point: 189C.
Solubility: Miscible with water. Miscible with methanol, diethyl ether. Immiscible with hexane.American Molecules, also known as ammol.org is a distributor, supplier and manufacturers' representative of all types of Pharmaceuticals, Functional Ingredients, Excipients and Specialty Chemicals in Texas USA. Our principals manufacture supply and export USP NF BP, Ph Eur, etc grades of chemicals pure and reagent grade, mineral fortifiers, FCC food grade. Tailor made particle size and customized specifications are offered. The principal's facility is having one or more of the certifications like FDA approval and GLP, cGMP, ISO9001, ISO14001, ISO/IEC 17025, ISO22000, FSSC 22000, ISO45001, FSSAI, Kosher, HALAL, COPP, WHO-GMP certified and Written Confirmation (WC) for export to Europe is available. The manufacturers suppliers and exporters observe WHO Good Manufacturing Practices and Good Laboratory Practices.
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20 August, 2026