Methyl fluorosulfonate
氟磺酸甲酯
Also known as: Methyl fluorosulfate, Fluorosulfuric acid methyl ester, Fluorosulfonic acid methyl ester, Magic Methyl, Methyl sulphurofluoridoate, Methoxysulphonyl fluoride, fluorosulfonyloxymethane
- CAS No.
- 421-20-5
- Jingsj CID
- J-13720-3
- Molecular Formula
- CH3FO3S
- Chinese Name
- 氟磺酸甲酯
- Molecular Weight
- 114.09600 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | -95 °C |
|---|---|
| Boiling Point | 93 °C |
| Density | 1.45 |
| Flash Point | 10ºC |
Frequently Asked Questions
What is the CAS number of Methyl fluorosulfonate?
421-20-5
What are the molecular formula and molecular weight of Methyl fluorosulfonate?
CH3FO3S, molecular weight 114.09600 g/mol
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026