| Chemistry name: | methanesulfonic acid |
| M Formula: | CH3SO2OH |
| Properties: | |
| Colorless solid. D 1.48, mp 20C, bp 167C (10 mm Hg). Slightly soluble in benzene; almost insoluble in other organic solvents. Attacks iron, copper, and steel. | |
| Derivation: | |
| Reaction of methane and sulfur trioxide. | |
| Hazard: | |
| Toxic by ingestion, skin irritant, corrosive to tissue. | |
| Use: | |
| Polymerization catalyst. | |