Methane Sulphonic Acid

  • Methanesulfonic acid
  • CAS CAS 75-75-2
  • Molar weight 96.10 g/mol
  • Chemical formula CH3SO3H

Methane sulphonic acid, also known as methanesulfonic acid or mesylic acid. It is widely used as an acid catalyst and solvent in organic reactions in biological and agricultural industry. It is also a key ingredient in plating various metals to print circuit board manufacture in electric industry. Besides, Methane sulphonic acid is popularly used in textile treatment, and the production of plastics and polymers.

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Methane Sulphonic Acid
  • Methanesulfonic acid
  • CAS CAS 75-75-2
  • Chemical formula CH3SO3H
  • Molar weight 96.10 g/mol

Product details of Methane Sulphonic Acid

Methanesulfonic acidMethanesulphonic acidMesylateMethylsulfonateMethane sulfonic acidMSA

  • colorless liquid

Chemical formula


CAS number

CAS 75-75-2

Molar weight

96.10 g/mol

Specific Gravity


Melting Point

17-19 °C

Boiling Point

167 °C

Flash Point

>110 °C


  • Agricultural industry
  • Battery
  • Catalyst
  • Electrical and electronic products
  • Plastics and Polymers
  • Coating and Construction
  • Fabric and textile products

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