| CAS Number | 75-75-2 |
| Catalog Description | Methanesulfonic acid, 98% |
| Synonym | Mesic acid |
| Synonym | Methylsulfonic acid |
| MDL Number | MFCD00007518 |
| Linear formula | CH3SO3H |
| Master Molecular formula | CH4O3S |
| Melting point in C | 17-19° |
| Boiling point in C | 166-168°/10 mmHg |
| Flash point in C | 156° |
| Flash point in F | 312° |
| Density | 1.481 |
| Refractive Index | 1.429 |
| Merck Number | 14,5954 |
| Beilstein | 1446024 |
| Sensitivity | Heat Sensitive |
| Sensitivity | Hygroscopic |
| Sensitivity | Light Sensitive |
| Solubility | Miscible in water |
| EC Number | 200-898-6 |
| Shipping | Hazardous for shipping |
| CAS Number | 75-75-2 |
| UN# | UN2586 |
| Haz Class | 8 |
| Packing Group | III |
| Signal Word | Danger |
| Pictogram code 1 |
|
| H Phrases | H314 |
| P Phrases | P260-P303+P361+P353-P305+P351+P338-P310-P405-P501A |
| TSCA | Yes |
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