| Identification | ||
| Name | Methanesulfonic acid | |
| Synonyms | Methylsulfonic acid; Alkanesulfonic acid; MSA; Methanesulfonic acid | |
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| Molecular Structure |
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| Molecular Formula | CH4O3S | |
| Molecular Weight | 96.10 | |
| CAS Registry Number | 75-75-2 | |
| EINECS | 200-898-6 | |
| Properties | ||
| Density | 1.481 | |
| Melting point | -60 ºC | |
| Boiling point | 167 ºC (10 torr) | |
| Refractive index | 1.413-1.415 | |
| Flash point | 189 ºC | |