Introduction：Basic information about METHYL FLUOROSULFONATE CAS 421-20-5, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
METHYL FLUOROSULFONATE Basic information
| Product Name: | METHYL FLUOROSULFONATE |
| Synonyms: | fluorosulfuricacid,methylester;Methyl sulphurofluoridoate, Methoxysulphonyl fluoride;Methyl Fluorosulfonate [for Esterification];methyl fluorosulphate;Methylfluorosulfonate,95%,stab.withKF;Methyl fluorosulphonate 97%;Methylfluorosulphonate97%;METHYL FLUOROSULPHONATE (STABILIZED WITH KF) |
| CAS: | 421-20-5 |
| MF: | CH3FO3S |
| MW: | 114.1 |
| EINECS: | 207-004-3 |
| Product Categories: | |
| Mol File: | 421-20-5.mol |
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METHYL FLUOROSULFONATE Chemical Properties
| Melting point | -95° |
| Boiling point | 93 °C |
| density | 1.45 |
| refractive index | nD20 1.3326 |
| Fp | 10℃ |
| form | liquid |
| 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) |
METHYL FLUOROSULFONATE Usage And Synthesis
| Chemical Properties | Colorless liquid; ethereal odor. |
| Uses | In organic synthesis as methylating agent. |
| Hazard | Toxic. Strong irritant to tissue, inhalationof fume must be avoided. Reacts with water, steam,and acids, evolving corrosive vapor. |
METHYL FLUOROSULFONATE Preparation Products And Raw materials
| Raw materials | Methyldiazonium ion-->Disulfuric acid, S,S'-dimethyl ester-->1-Pentene-1,3-dione, 4,4,5,5,5-pentafluoro-2-(trifluoromethyl)--->3-Pentanone, 1,1,1,2,2,5,5,5-octafluoro-4-(trifluoromethyl)--->METHYL TRIFLUOROPYRUVATE-->Methyl chlorosulfonate-->CHLOROSULFONIC ACID TRIFLUOROVINYL ESTER-->METHYL 2-METHOXYTETRAFLUOROPROPIONATE-->Dimethyl sulfite-->Tetrafluoroethane beta-sultone-->Perfluoro-2-methyl-2-pentene-->Dimethyl ether-->FLUOROSULFONIC ACID-->Dimethyl sulfate |
| Preparation Products | Methanol |
