Back to Search

Methyl Methanesulfonate

CAS: 66-27-3 | C2H6O3S

2D Structure

3D Structure

Loading 3D structure...

Basic Information

CAS Registry Number: 66-27-3
Molecular Formula: C2H6O3S
Molecular Mass: 110.13 g/mol

Names and Synonyms:

Methyl Methanesulfonate
Methanesulfonic acid, methyl ester
Methyl methanesulphonate
MMS
Methyl methanesulfonate
Methyl methylsulfonate
NSC 50256
Methyl mesylate

Identifiers:

SMILES:
COS(C)(=O)=O
InChI:
InChI=1S/C2H6O3S/c1-5-6(2,3)4/h1-2H3

Key Properties

Boiling Point
203 °C @ Press: 753 Torr CAS Common Chemistry
Melting Point
20 °C CAS Common Chemistry
Density
1.29 g/cm³ CAS Common Chemistry

Spectral Data

NMR, IR, and Mass spectral data

1H NMR
13C NMR
Predicting NMR spectra...
10 ppm 9 8 7 6 5 4 3 2 1 0 ppm
Shift (ppm) Multiplicity Integration Assignment
200 ppm 180 160 140 120 100 80 60 40 20 0 ppm
Shift (ppm) DEPT Assignment

Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.

External Resources

All Properties

Comprehensive physical and chemical properties

Property Value Source
Molecular Mass 110.13 g/mol CAS Common Chemistry
110.13399999999999 g/mol RDKit
110.003765052 g/mol RDKit
Density 1.29 g/cm³ CAS Common Chemistry
1.2943 g/cm3 @ Temp: 20 °C CAS Common Chemistry
Wikipedia Url https://en.wikipedia.org/wiki/Methyl_methanesulfonate CAS Common Chemistry
Boiling Point 203 °C @ Press: 753 Torr CAS Common Chemistry
Canonical SMILES O=S(=O)(OC)C CAS Common Chemistry
InChI InChI=1S/C2H6O3S/c1-5-6(2,3)4/h1-2H3 CAS Common Chemistry
InChI Key InChIKey=MBABOKRGFJTBAE-UHFFFAOYSA-N CAS Common Chemistry
Melting Point 20 °C CAS Common Chemistry
Name Methyl methanesulfonate CAS Common Chemistry
Heavy Atom Count 6 RDKit
Hydrogen Bond Acceptors 3 RDKit
Hydrogen Bond Donors 0 RDKit
Rotatable Bonds 1 RDKit
Aromatic Ring Count 0 RDKit
Topological Polar Surface Area 43.370000000000005 Ų RDKit
LogP -0.40759999999999996 RDKit
Molar Refractivity 21.85279999999999 RDKit

Recent Searches

Acetone
Ethanol
Navigate
esc Close