Fluorosulfuric acid, methyl ester

CAS Registry Number®

421-20-5

CAS Name

Fluorosulfuric acid, methyl ester

Molecular Formula

CH3FO3S

Molecular Mass

114.10

Cite this Page

Fluorosulfuric acid, methyl ester.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=421-20-5 (retrieved 2025-03-30) (CAS RN: 421-20-5).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    91-92 °C

  • Melting Point (2)

    -95 °C

  • Density (1)

    1.425 g/cm³ @ Temp: 20 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/CH3FO3S/c1-5-6(2,3)4/h1H3

InChIKey

InChIKey=MBXNQZHITVCSLJ-UHFFFAOYSA-N

SMILES

S(OC)(F)(=O)=O

Canonical SMILES

O=S(=O)(F)OC

Other Names for this Substance

  • Fluorosulfuric acid, methyl ester
  • Methyl fluorosulfate
  • Methyl fluosulfonate
  • Methyl fluorosulfonate
  • Magic Methyl

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