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Molecule
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
Identifiers
CAS Registry Number
66-27-3
SMILES
COS(C)(=O)=O
InChI Key
MBABOKRGFJTBAE-UHFFFAOYSA-N
InChI
InChI=1S/C2H6O3S/c1-5-6(2,3)4/h1-2H3
Names and Synonyms
- Methyl Methanesulfonate Synonym
- Methanesulfonic acid, methyl ester Synonym
- Methyl methanesulphonate Synonym
- MMS Synonym
- Methyl methanesulfonate Synonym
- Methyl methylsulfonate Synonym
- NSC 50256 Synonym
- Methyl mesylate Synonym
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 110.13 g/mol | CAS Common Chemistry |
| 110.13399999999999 g/mol | RDKit | |
| 110.134 g/mol | RDKit | |
| 110.127 g/mol | chempirical lib | |
| Density | 1.29 g/cm³ | CAS Common Chemistry |
| 1.2943 g/cm3 @ 20 °C | CAS Common Chemistry | |
| Wikipedia Url | https://en.wikipedia.org/wiki/Methyl_methanesulfonate | 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 |
| 43.37 Ų | RDKit | |
| LogP | -0.40759999999999996 | RDKit |
| -0.4076 | RDKit | |
| Molar Refractivity | 21.85279999999999 cm³/mol | RDKit |
| Ring Count | 0 | RDKit |
| Formal Charge | 0 | RDKit |
| Fraction Csp3 | 1.0 | RDKit |
| Exact Mass | 110.003765052 g/mol | RDKit |
| Boiling Point | 203 °C @ 753 Torr | CAS Common Chemistry |
Spectral Data
NMR, IR, and Mass spectral data
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
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Quick conversion
MW = 110.13 g/mol; density = 1.290 g/mL. Edit any field — others recompute live.
Related
Related molecules
Other compounds with formula C2H6O3S.
