Methyl fluorosulfonate
- Product NameMethyl fluorosulfonate
- CAS421-20-5
- MFCH3FO3S
- MW114.1
- EINECS207-004-3
- MOL File421-20-5.mol
Chemical Properties
| Melting point | -95 °C |
| Boiling point | 93 °C (199 °F; 366 K) |
| Density | 1.45 g/mL |
| refractive index | 1.33 |
| Flash point | 10 °C |
| form | clear liquid |
| color | Colorless to Light yellow to Light orange |
| Merck | 6075 |
| CAS DataBase Reference | 421-20-5(CAS DataBase Reference) |
| EPA Substance Registry System | Fluorosulfuric acid, methyl ester (421-20-5) |
Safety Information
| Hazard Codes | C |
| Risk Statements | 34 |
| Safety Statements | 26-36/37/39 |
| RIDADR | 3265 |
| RTECS | LP0720000 |
| Hazard Note | Corrosive |
| Hazardous Substances Data | 421-20-5(Hazardous Substances Data) |
| Toxicity | LD50 orally in mice: <112 mg/kg; LC50 1 hr for rats: 5-6 ppm (Hite) |
