Hohhot Guangxin Chemical Trade Co.,Ltd.

    Main products


Methanesulphonic acid


  CAS NO 75-75-2
  Structural formula


English name Methanesulphonic acid
Alias Methanesulphonic acid; Methylsulfonic Acid; Mesic acid
CAS RN 75-75-2
EINECS No. 200-898-6
Molecular formula CH4O3S
Molecular weight 96.1
Specification 1.Methanesulphonic acid 70%
Appearance: colorless transparent liquid
Color number: 10 MAX
Content: 70~71%
Chloridion: 5PPM MAX
Sulfate ion : 15PPM MAX
Iron: 3PPM MAX
Sodium: 1PPM MAX
Calcium: 1PPM MAX
Heavy metal: 10PPM MAX
Oxide: 10PPM MAX

2.Methanesulphonic acid 99%
Appearance: colorless transparent liquid
Color number: 30 MAX
Content: 99%MIN
Chloridion: 20PPM MAX
Sulfate ion : 50PPM MAX
Iron: 5PPM MAX
Heavy metal: 5PPM MAX
Moisture: 0.5%MAX
Properties Light brown oily liquid and solid in low temperature. 
Melting point: 20℃
Boiling point: 167℃(13.33kPa)122℃(0.133kPa)
Relative density: 1.4812(18℃)
Refractive index: 1.4317(16℃)
Soluble in water, alcohol and ester, and insoluble in benzene, toluene and others.
Use used as activator of solvent, polymerization, alkylation and esterification, and still used in pharmaceutical and plating industry.
Technical index
Item Parameters
Appearance Colorless or light brown oil liquid and solid low temperature
Specific gravity 1.48
Boiling point(℃) 167
Melting point(℃) 20
Refractive index 1.43
Purity 99%
Packing 250kg plastic drum.